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<rss version="2.0" xmlns:opensearch="http://a9.com/-/spec/opensearch/1.1/" xmlns:media="http://search.yahoo.com/mrss/"><channel><title>Galactica - Astronomy and Space Gifts: Zazzle.com Store: </title><link>http://feed.zazzle.com/z.2/api/find.aspx?ft=rss&amp;ch=Galactica&amp;ou=%2fGalactica%2frss</link><description></description><language>en-us</language><pubDate>Thu, 20 Jun 2013 12:05:34 GMT</pubDate><ttl>60</ttl><opensearch:totalResults>98</opensearch:totalResults><opensearch:startIndex>1</opensearch:startIndex><opensearch:itemsPerPage>60</opensearch:itemsPerPage><opensearch:Query role="request" searchTerms="" />
<item><guid isPermaLink="false">http://www.zazzle.com/star_forming_region_lh_95_iphone_5_case-179464684962919216</guid><pubDate>Tue, 08 Jan 2013 14:00:24 GMT</pubDate><title><![CDATA[Star-Forming Region LH 95 iPhone 5 Case]]></title><link>http://www.zazzle.com/star_forming_region_lh_95_iphone_5_case-179464684962919216</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$42.95</price><media:title><![CDATA[Star-Forming Region LH 95]]></media:title><media:description><![CDATA[Swirls of gas and dust reside in this ethereal-looking region of star formation imaged by NASA&#39;s Hubble Space Telescope. This majestic view, located in the Large Magellanic Cloud (LMC), reveals a region where low-mass, infant stars and their much more massive stellar neighbors reside. A shroud of blue haze gently lingers amid the stars. Known as LH 95, this is just one of the hundreds of star-forming systems, called associations, located in the LMC some 160,000 light-years distant. Earlier ground-based observations of such systems had only allowed astronomers to study the bright blue giant stars present in these regions. With Hubble&#39;s resolution, the low-mass stars can now be analyzed, which will allow for a more accurate calculation of their ages and masses. This detailed view of the star-forming association LH 95 was taken with Hubble&#39;s Advanced Camera for Surveys and provides an extraordinarily rich sample of newly formed low-mass stars. The LMC is a galaxy with relatively small amounts of elements heavier than hydrogen, giving astronomers an insight into star formation in environments different than our Milky Way. The largest stars within LH 95 - those with at least three times the mass of the Sun - generate strong stellar winds and high levels of ultraviolet radiation that heat the surrounding interstellar gas. The result is a bluish nebula of glowing hydrogen that continues to expand out into the molecular cloud that originally collapsed to form these massive stars. Some dense parts of this star-forming region are intact despite the stellar winds, and can still be seen as dark dusty filaments in the picture. Such dust lanes absorb parts of the blue light from the stars behind them, making them appear redder. Other parts of the molecular cloud have already contracted to turn into glowing groups of infant stars, the fainter of which have a high tendency to cluster. This deep Hubble image also reveals several large spiral and distant galaxies decorating the background of LH 95. This image of LH 95 is a composite of two filters that localize visible (V) and infrared (I) light. Because of the color assignments chosen, doubly ionized hydrogen, which is visible within the V filter, appears bluish. The choice of color assignment helps to distinguish hot bright blue stars from cooler, less luminous red stars. Source: NASA.]]></media:description><media:price>$42.95</media:price><media:thumbnail url="http://rlv.zcache.com/star_forming_region_lh_95_iphone_5_case-r603d738d7b7a4817acd9dbb0ee279623_80csw_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/star_forming_region_lh_95_iphone_5_case-r603d738d7b7a4817acd9dbb0ee279623_80csw_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, milky, way, stars, nebula]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/the_breathtaking_carina_nebula_iphone_5_cases-179979608266483330</guid><pubDate>Tue, 08 Jan 2013 12:02:48 GMT</pubDate><title><![CDATA[The Breathtaking Carina Nebula iPhone 5 Cases]]></title><link>http://www.zazzle.com/the_breathtaking_carina_nebula_iphone_5_cases-179979608266483330</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$42.95</price><media:title><![CDATA[The Breathtaking Carina Nebula]]></media:title><media:description><![CDATA[In celebration of the 17th anniversary of the launch and deployment of NASA&#39;s Hubble Space Telescope, a team of astronomers is releasing one of the largest panoramic images ever taken with Hubble&#39;s cameras. It is a 50-light-year-wide view of the central region of the Carina Nebula where a maelstrom of star birth — and death — is taking place. This image is a mosaic of the Carina Nebula assembled from 48 frames taken with Hubble&#39;s Advanced Camera for Surveys. The Hubble images were taken in the light of neutral hydrogen during March and July 2005. Color information was added with data taken in December 2001 and March 2003 at the Cerro Tololo Inter-American Observatory in Chile. Red corresponds to sulfur, green to hydrogen, and blue to oxygen emission. Source: NASA]]></media:description><media:price>$42.95</media:price><media:thumbnail url="http://rlv.zcache.com/the_breathtaking_carina_nebula_iphone_5_cases-re8b6a5da7a824526935e7442cc37f394_80cs8_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/the_breathtaking_carina_nebula_iphone_5_cases-re8b6a5da7a824526935e7442cc37f394_80cs8_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, milky, way, stars, nebula]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/hubbles_festive_view_of_a_star_forming_region_case-179312841253444938</guid><pubDate>Tue, 08 Jan 2013 03:10:06 GMT</pubDate><title><![CDATA[Hubble&#39;s Festive View of a Star-Forming Region iPhone 5 Cases]]></title><link>http://www.zazzle.com/hubbles_festive_view_of_a_star_forming_region_case-179312841253444938</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$42.95</price><media:title><![CDATA[Hubble's Festive View of a Star-Forming Region]]></media:title><media:description><![CDATA[Hubble&#39;s Festive View of a Star-Forming Region. December 15, 2009: Just in time for the holidays: a Hubble Space Telescope picture postcard of hundreds of brilliant blue stars wreathed by warm, glowing clouds. The festive portrait is the most detailed view of the largest stellar nursery in our local galactic neighborhood. The massive, young stellar grouping, called R136, is only a few million years old and resides in the 30 Doradus Nebula, a turbulent star-birth region in the Large Magellanic Cloud (LMC), a satellite galaxy of our Milky Way. There is no known star-forming region in our galaxy as large or as prolific as 30 Doradus. Many of the diamond-like icy blue stars are among the most massive stars known. Several of them are over 100 times more massive than our Sun. These hefty stars are destined to pop off, like a string of firecrackers, as supernovas in a few million years. The image, taken in ultraviolet, visible, and red light by Hubble&#39;s Wide Field Camera 3, spans about 100 light-years. The nebula is close enough to Earth that Hubble can resolve individual stars, giving astronomers important information about the birth and evolution of stars in the universe. The Hubble observations were taken Oct. 20-27, 2009. The blue color is light from the hottest, most massive stars; the green from the glow of oxygen; and the red from fluorescing hydrogen. Courtesy: NASA.]]></media:description><media:price>$42.95</media:price><media:thumbnail url="http://rlv.zcache.com/hubbles_festive_view_of_a_star_forming_region_case-r719ccd54eb934f6ab0cca41e5b902ec2_80cs8_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/hubbles_festive_view_of_a_star_forming_region_case-r719ccd54eb934f6ab0cca41e5b902ec2_80cs8_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, milky, way, stars, nebula]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/cassiopeia_iphone_5_cases-179081001316503631</guid><pubDate>Tue, 08 Jan 2013 03:02:58 GMT</pubDate><title><![CDATA[Cassiopeia iPhone 5 Cases]]></title><link>http://www.zazzle.com/cassiopeia_iphone_5_cases-179081001316503631</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$42.95</price><media:title><![CDATA[Cassiopeia]]></media:title><media:description><![CDATA[A new image taken with NASA&#39;s Hubble Space Telescope provides a detailed look at the tattered remains of a supernova explosion known as Cassiopeia A (Cas A). It is the youngest known remnant from a supernova explosion in the Milky Way. The new Hubble image shows the complex and intricate structure of the star&#39;s shattered fragments. The image is a composite made from 18 separate images taken in December 2004 using Hubble&#39;s Advanced Camera for Surveys. Source: NASA]]></media:description><media:price>$42.95</media:price><media:thumbnail url="http://rlv.zcache.com/cassiopeia_iphone_5_cases-reca6bb8636454c0f982406c96accbfa4_80cs8_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/cassiopeia_iphone_5_cases-reca6bb8636454c0f982406c96accbfa4_80cs8_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, milky, way, stars, nebula]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/pleiades_star_cluster_iphone_5_covers-179608578481125287</guid><pubDate>Tue, 08 Jan 2013 02:59:48 GMT</pubDate><title><![CDATA[Pleiades Star Cluster iPhone 5 Covers]]></title><link>http://www.zazzle.com/pleiades_star_cluster_iphone_5_covers-179608578481125287</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$42.95</price><media:title><![CDATA[Pleiades Star Cluster]]></media:title><media:description><![CDATA[Astronomers using NASA&#39;s Hubble Space Telescope have helped settle a mystery that has puzzled scientists concerning the exact distance to the famous nearby star cluster known as the Pleiades, or the Seven Sisters. The Pleiades cluster, named by the ancient Greeks, is easily seen as a small grouping of stars lying near the shoulder of Taurus, the Bull, in the winter sky. Although it might be expected that the distance to this well-studied cluster would be well established, there has been an ongoing controversy among astronomers about its distance for the past seven years. The mystery began in 1997, when the European Space Agency&#39;s satellite Hipparcos measured the distance to the Pleiades and found it is 10 percent closer to Earth than traditional estimates, which were based on comparing the Pleiades to nearby stars. If the Hipparcos measurements were correct, then the stars in the Pleiades are peculiar because they are fainter than Sun-like stars would be at that distance. This finding, if substantiated, would challenge our basic understanding of the structure of stars. But measurements made by the Hubble telescope&#39;s Fine Guidance Sensors show that the distance to the Pleiades is about 440 light-years from Earth, essentially the same as past distance estimates and differing from the Hipparcos results by more than 40 light-years. The Hubble results will be presented June 1 at the American Astronomical Society meeting in Denver, Colo. The new results agree with recent measurements made by astronomers at the California Institute of Technology and NASA&#39;s Jet Propulsion Laboratory, both in Pasadena, Calif. Those astronomers used interferometer measurements from Mt. Wilson and Palomar observatories in California, reporting that the star cluster is between 434 and 446 light-years from Earth. The discrepancy in the distance to the Pleiades is more than an arcane argument over details. Astronomers have only one direct means for gauging distances to stars, called the parallax method. With current telescopes, this method gives accurate results only for distances up to about 500 light-years. Distances beyond that limit must be determined by indirect methods, based on comparing the brightness of distant stars with those of nearer ones of the same type, and making the assumption that both objects have the same intrinsic, or true, brightness. Astronomers can thus build up a distance ladder, based on ever more-distant objects, ultimately leading to the use of supernovae as &quot;standard candles&quot; for the most distant reaches of the universe. &quot;Reliance on the accuracy of the measurements of nearby objects is crucial to getting the distance ladder of the universe correct,&quot; said David Soderblom of the Space Telescope Science Institute in Baltimore, Md., and lead astronomer on the Hubble study. &quot;The new Hubble result shows that the measurements made by Hipparcos contain a small, but significant, source of error that requires further exploration. New space missions are now being planned to carry out even more precise distance measurements out to greater distances.&quot; Soderblom and his team used Hubble&#39;s Fine Guidance Sensors to measure slight changes in the apparent positions of three stars within the cluster when viewed from different sides of Earth&#39;s orbit. Due to the motion of the Earth around the Sun, the position of a star in the Pleiades, will appear to shift relative to stars farther away. This effect, called parallax, can be used to calculate the distance to the star with simple geometry; a similar method of triangulation is used by surveyors to measure distances on Earth. Soderblom&#39;s team took its measurements six months apart over a 2 1/2-year period. Making these kinds of measurements of a star&#39;s movement is very difficult. The Fine Guidance Sensors are so precise that if the human eye had the same ability to measure small angles, it would be able to see a quarter 16,000 miles away. Hipparcos was the first space observatory to make precise measurements of the positions and motions of celestial objects. Before Hipparcos, astronomers determined the distances to stars like the Pleiades by measuring parallax with ground-based telescopes. Those observations were less precise because Earth&#39;s atmosphere distorts light from stars, limiting the telescopes&#39; resolution. Source: NASA]]></media:description><media:price>$42.95</media:price><media:thumbnail url="http://rlv.zcache.com/pleiades_star_cluster_iphone_5_covers-re5c42fd20af647dcba2a519ecb50d8d3_80cs8_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/pleiades_star_cluster_iphone_5_covers-re5c42fd20af647dcba2a519ecb50d8d3_80cs8_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, milky, way, stars, nebula]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/hubble_finds_ring_of_dark_matter_iphone_5_cases-179232221858540228</guid><pubDate>Tue, 08 Jan 2013 02:55:12 GMT</pubDate><title><![CDATA[Hubble Finds Ring of Dark Matter iPhone 5 Cases]]></title><link>http://www.zazzle.com/hubble_finds_ring_of_dark_matter_iphone_5_cases-179232221858540228</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$42.95</price><media:title><![CDATA[Hubble Finds Ring of Dark Matter]]></media:title><media:description><![CDATA[Astronomers using NASA&#39;s Hubble Space Telescope have discovered a ghostly ring of dark matter that formed long ago during a titanic collision between two massive galaxy clusters. The ring&#39;s discovery is among the strongest evidence yet that dark matter exists. Astronomers have long suspected the existence of the invisible substance as the source of additional gravity that holds together galaxy clusters. Such clusters would fly apart if they relied only on the gravity from their visible stars. Although astronomers don&#39;t know what dark matter is made of, they hypothesize that it is a type of elementary particle that pervades the universe. &quot;This is the first time we have detected dark matter as having a unique structure that is different from both the gas and galaxies in the cluster,&quot; said astronomer M. James Jee of Johns Hopkins University in Baltimore, Md., a member of the team that spotted the dark-matter ring. The researchers spotted the ring unexpectedly while they were mapping the distribution of dark matter within the galaxy cluster Cl 0024+17 (ZwCl 0024+1652), located 5 billion light-years from Earth. The ring measures 2.6 million light-years across. Although astronomers cannot see dark matter, they can infer its existence in galaxy clusters by observing how its gravity bends the light of more distant background galaxies. &quot;Although the invisible matter has been found before in other galaxy clusters, it has never been detected to be so largely separated from the hot gas and the galaxies that make up galaxy clusters,&quot; Jee said. &quot;By seeing a dark-matter structure that is not traced by galaxies and hot gas, we can study how it behaves differently from normal matter.&quot; During the team&#39;s dark-matter analysis, they noticed a ripple in the mysterious substance, somewhat like the ripples created in a pond from a stone plopping into the water. &quot;I was annoyed when I saw the ring because I thought it was an artifact, which would have implied a flaw in our data reduction,&quot; Jee explained. &quot;I couldn&#39;t believe my result. But the more I tried to remove the ring, the more it showed up. It took more than a year to convince myself that the ring was real. I&#39;ve looked at a number of clusters and I haven&#39;t seen anything like this.&quot; Curious about why the ring was in the cluster and how it had formed, Jee found previous research that suggested the cluster had collided with another cluster 1 to 2 billion years ago. The research, published in 2002 by Oliver Czoske of the Argeleander-Institut fur Astronomie at the Universitat Bonn, was based on spectroscopic observations of the cluster&#39;s three-dimensional structure. The study revealed two distinct groupings of galaxies clusters, indicating a collision between both clusters. Astronomers have a head-on view of the collision because it occurred fortuitously along Earth&#39;s line of sight. From this perspective, the dark-matter structure looks like a ring. Computer simulations of galaxy cluster collisions, created by the team, show that when two clusters smash together, the dark matter falls to the center of the combined cluster and sloshes back out. As the dark matter moves outward, it begins to slow down under the pull of gravity and pile up, like cars bunched up on a freeway. &quot;By studying this collision, we are seeing how dark matter responds to gravity,&quot; said team member Holland Ford of Johns Hopkins University. &quot;Nature is doing an experiment for us that we can&#39;t do in a lab, and it agrees with our theoretical models.&quot; Dark matter makes up most of the universe&#39;s material. Ordinary matter, which makes up stars and planets, comprises only a few percent of the universe&#39;s matter. Tracing dark matter is not an easy task, because it does not shine or reflect light. Astronomers can only detect its influence by how its gravity affects light. To find it, astronomers study how faint light from more distant galaxies is distorted and smeared into arcs and streaks by the gravity of the dark matter in a foreground galaxy cluster, a powerful trick called gravitational lensing. By mapping the distorted light, astronomers can deduce the cluster&#39;s mass and trace how dark matter is distributed in the cluster. &quot;The collision between the two galaxy clusters created a ripple of dark matter that left distinct footprints in the shapes of the background galaxies,&quot; Jee explained. &quot;It&#39;s like looking at the pebbles on the bottom of a pond with ripples on the surface. The pebbles&#39; shapes appear to change as the ripples pass over them. So, too, the background galaxies behind the ring show coherent changes in their shapes due to the presence of the dense ring.&quot; Jee and his colleagues used Hubble&#39;s Advanced Camera for Surveys to detect the faint, distorted, faraway galaxies behind the cluster that cannot be resolved with ground-based telescopes. &quot;Hubble&#39;s exquisite images and unparalleled sensitivity to faint galaxies make it the only tool for this measurement,&quot; said team member Richard White of the Space Telescope Science Institute in Baltimore. Previous observations of the Bullet Cluster with Hubble and the Chandra X-ray Observatory presented a sideways view of a similar encounter between two galaxy clusters. In that collision, the dark matter was pulled apart from the hot cluster gas, but the dark matter still followed the distribution of cluster galaxies. Cl 0024+17 is the first cluster to show a dark matter distribution that differs from the distribution of both the galaxies and the hot gas. The team&#39;s paper will appear in the June 1 issue of the Astrophysical Journal. Source: NASA]]></media:description><media:price>$42.95</media:price><media:thumbnail url="http://rlv.zcache.com/hubble_finds_ring_of_dark_matter_iphone_5_cases-r599f61dea2b64c918c634b27324247ba_80cs8_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/hubble_finds_ring_of_dark_matter_iphone_5_cases-r599f61dea2b64c918c634b27324247ba_80cs8_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, milky, way, stars, nebula]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/turbulent_star_birth_region_selection_ipad_mini_case-256100261816965701</guid><pubDate>Sat, 22 Dec 2012 03:48:04 GMT</pubDate><title><![CDATA[Turbulent Star-Birth Region Selection Case For The iPad Mini]]></title><link>http://www.zazzle.com/turbulent_star_birth_region_selection_ipad_mini_case-256100261816965701</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$28.95</price><media:title><![CDATA[Turbulent Star-Birth Region Selection]]></media:title><media:description><![CDATA[In commemoration of NASA&#39;s Hubble Space Telescope completing its 100,000th orbit in its 18th year of exploration and discovery, scientists at the Space Telescope Science Institute in Baltimore, Md., have aimed Hubble to take a snapshot of a dazzling region of celestial birth and renewal. Hubble peered into a small portion of the nebula near the star cluster NGC 2074 (upper, left). The region is a firestorm of raw stellar creation, perhaps triggered by a nearby supernova explosion. It lies about 170,000 light-years away near the Tarantula nebula, one of the most active star-forming regions in our Local Group of galaxies. The three-dimensional-looking image reveals dramatic ridges and valleys of dust, serpent-head &quot;pillars of creation,&quot; and gaseous filaments glowing fiercely under torrential ultraviolet radiation. The region is on the edge of a dark molecular cloud that is an incubator for the birth of new stars. The high-energy radiation blazing out from clusters of hot young stars already born in NGC 2074 is sculpting the wall of the nebula by slowly eroding it away. Another young cluster may be hidden beneath a circle of brilliant blue gas at center, bottom. In this approximately 100-light-year-wide fantasy-like landscape, dark towers of dust rise above a glowing wall of gases on the surface of the molecular cloud. The seahorse-shaped pillar at lower, right is approximately 20 light-years long, roughly four times the distance between our Sun and the nearest star, Alpha Centauri. The region is in the Large Magellanic Cloud (LMC), a satellite of our Milky Way galaxy. It is a fascinating laboratory for observing star-formation regions and their evolution. Dwarf galaxies like the LMC are considered to be the primitive building blocks of larger galaxies. This representative color image was taken on August 10, 2008, with Hubble&#39;s Wide Field Planetary Camera 2. Red shows emission from sulfur atoms, green from glowing hydrogen, and blue from glowing oxygen. Source: NASA.]]></media:description><media:price>$28.95</media:price><media:thumbnail url="http://rlv.zcache.com/turbulent_star_birth_region_selection_wall_clocks-r54bd04ce993f4189b8e0db7b3f8edf9e_fup13_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/turbulent_star_birth_region_selection_wall_clocks-r54bd04ce993f4189b8e0db7b3f8edf9e_fup13_8byvr_500.jpg" /><media:keywords><![CDATA[hubble, nasa, stars, star, galaxy, galaxies, space, astronomy, telescope, beautiful, photos, nebula, nature, landscapes]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/a_celestial_snow_angel_print-228270271107702400</guid><pubDate>Sun, 09 Dec 2012 23:43:51 GMT</pubDate><title><![CDATA[A Celestial Snow Angel Print]]></title><link>http://www.zazzle.com/a_celestial_snow_angel_print-228270271107702400</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$22.30</price><media:title><![CDATA[A Celestial Snow Angel Print]]></media:title><media:description><![CDATA[December 15, 2011: The bipolar star-forming region, called Sharpless 2-106, or S106 for short, looks like a soaring, celestial snow angel. The outstretched &quot;wings&quot; of the nebula record the contrasting imprint of heat and motion against the backdrop of a colder medium. Twin lobes of super-hot gas, glowing blue in this image, stretch outward from the central star. This hot gas creates the &quot;wings&quot; of our angel. A ring of dust and gas orbiting the star acts like a belt, cinching the expanding nebula into an &quot;hourglass&quot; shape. Courtesy NASA.]]></media:description><media:price>$22.30</media:price><media:thumbnail url="http://rlv.zcache.com/a_celestial_snow_angel_print-r9e148d8aecbd4303aaae7af58978e594_v6bzv_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/a_celestial_snow_angel_print-r9e148d8aecbd4303aaae7af58978e594_v6bzv_8byvr_500.jpg" /><media:keywords><![CDATA[techie, astronomy, space, galaxy, galaxies, posters, prints, print, hubble, elescope, gift, science, nasa, gifts, stars, nature, landscapes]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/spectacular_view_of_radio_galaxy_hercules_a_print-228484487385611623</guid><pubDate>Sun, 09 Dec 2012 23:19:47 GMT</pubDate><title><![CDATA[Spectacular View of Radio Galaxy Hercules A Print]]></title><link>http://www.zazzle.com/spectacular_view_of_radio_galaxy_hercules_a_print-228484487385611623</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$26.20</price><media:title><![CDATA[Spectacular View of Radio Galaxy Hercules A Print]]></media:title><media:description><![CDATA[November 29, 2012: Spectacular jets powered by the gravitational energy of a supermassive black hole in the core of the elliptical galaxy Hercules A illustrate the combined imaging power of two of astronomy&#39;s cutting-edge tools, the Hubble Space Telescope&#39;s Wide Field Camera 3, and the recently upgraded Karl G. Jansky Very Large Array (VLA) radio telescope in New Mexico.]]></media:description><media:price>$26.20</media:price><media:thumbnail url="http://rlv.zcache.com/spectacular_view_of_radio_galaxy_hercules_a_print-r1f2ad38a9c654234b4bd56df024b41f5_v6e9o_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/spectacular_view_of_radio_galaxy_hercules_a_print-r1f2ad38a9c654234b4bd56df024b41f5_v6e9o_8byvr_500.jpg" /><media:keywords><![CDATA[black holes, galaxies, stars, gifts, prints, posters, poster, pictures, photos]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/view_of_a_monster_galaxy_print-228447986494986743</guid><pubDate>Sun, 09 Dec 2012 22:59:59 GMT</pubDate><title><![CDATA[View of a Monster Galaxy Print]]></title><link>http://www.zazzle.com/view_of_a_monster_galaxy_print-228447986494986743</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$13.10</price><media:title><![CDATA[View of a Monster Galaxy Print]]></media:title><media:description><![CDATA[Astronomers using NASA&#39;s Hubble Space Telescope have obtained a remarkable new view of a whopper of an elliptical galaxy that may have been puffed up by the actions of one or more black holes in its core.
 
Spanning a little more than one million light-years, the galaxy is about 10 times the diameter of our Milky Way galaxy. The bloated galaxy is a member of an unusual class of galaxies with a diffuse core filled with a fog of starlight where there would normally be a concentrated peak of light around a central black hole. Viewing the core is like seeing a city with no downtown, just houses sprinkled across a vast landscape.
 
Astronomers used Hubble&#39;s Advanced Camera for Surveys and Wide Field Camera 3 to measure the amount of starlight across the galaxy, dubbed A2261-BCG. The Hubble observations revealed that the galaxy&#39;s puffy core, measuring about 10,000 light-years, is the largest yet seen.
 
A galaxy&#39;s core size typically is correlated to the dimensions of its host galaxy, but in this case, the central region is much larger than astronomers would expect for the galaxy&#39;s size. In fact, the bloated core is more than three times larger than the center of other very luminous galaxies. Located three billion light-years away, the galaxy is the most massive and brightest galaxy in the Abell 2261 cluster.
 
Astronomers have proposed two possibilities for the puffy core. One scenario is that a pair of merging black holes gravitationally stirred up and scattered the stars. Another idea is that the merging black holes were ejected from the core. Left without an anchor, the stars began spreading out even more, creating the puffy-looking core.
 
Previous Hubble observations have revealed that supermassive black holes, weighing millions or billions times more than the Sun, reside at the centers of nearly all galaxies and may play a role in shaping those central regions.
 
&quot;Expecting to find a black hole in every galaxy is sort of like expecting to find a pit inside a peach,&quot; explained astronomer Tod Lauer of the National Optical Astronomy Observatory in Tucson, Ariz., a co-author of the Hubble study. &quot;With this Hubble observation, we cut into the biggest peach and we can&#39;t find the pit. We don&#39;t know for sure that the black hole is not there, but Hubble shows that there&#39;s no concentration of stars in the core.&quot;
 
Team leader Marc Postman of the Space Telescope Science Institute in Baltimore, Md., said the galaxy stood out in the Hubble image. &quot;When I first saw the image of this galaxy, I knew right away it was unusual,&quot; Postman explained. &quot;The core was very diffuse and very large. The challenge was then to make sense of all the data, given what we knew from previous Hubble observations, and come up with a plausible explanation for the intriguing nature of this particular galaxy.&quot;
 
The paper describing the results appeared in the Sept. 10 issue of The Astrophysical Journal. The astronomers expected to see a slight cusp of light in the galaxy&#39;s center, marking the location of the black hole and attendant stars. Instead, the starlight&#39;s intensity remained fairly even across the galaxy.
 
One possibility for the puffy core may be due to two central black holes orbiting each other. These black holes collectively could have been as massive as several billion suns. Though one of the black holes would be native to the galaxy, a second black hole could have been added from a smaller galaxy that was gobbled up by the massive elliptical.
 
In this scenario, stars circling in the giant galaxy&#39;s center came close to the twin black holes. The stars were then given a gravitational boot out of the core. Each gravitational slingshot robbed the black holes of momentum, moving the pair ever closer together, until finally they merged, forming one supermassive black hole that still resides in the galaxy&#39;s center.
 
Another related possibility is that the black-hole merger created gravity waves, which are ripples in the fabric of space. According to the theory of general relativity, a pair of merging black holes produce ripples of gravity that radiate away. If the black holes are of unequal mass, then some of the energy may radiate more strongly in one direction, producing the equivalent of a rocket thrust. The imbalance of forces would have ejected the merged black hole from the center at speeds of millions of miles an hour, resulting in the rarity of a galaxy without a central black hole. &quot;The black hole is the anchor for the stars,&quot; Lauer explained. &quot;If you take it out, all of a sudden you have a lot less mass. The stars don&#39;t get held down very well and they expand out, enlarging the core even more.&quot;
 
The team admits that the ejected black-hole scenario may sound far-fetched, &quot;but that&#39;s what makes observing the universe so intriguing — sometimes you find the unexpected,&quot; said Postman.
 
Added Lauer: &quot;This is a system that&#39;s interesting enough that it pushes against a lot of questions. We have thought an awful lot about what black holes do. But we haven&#39;t been able to test our theories. This is an interesting place where a lot of the ideas we&#39;ve had can come together and can be tested, fairly exotic ideas about how black holes may interact with each other dynamically and how they would affect the surrounding stellar population.&quot;
 
The team is now conducting follow-up observations with the Very Large Array radio telescope (VLA) in New Mexico. The astronomers expect material falling onto a black hole to emit radio waves, among other types of radiation. They will compare the VLA data with the Hubble images to more precisely pin down the location of the black hole, if it indeed exists.
 
The Abell 2261 cluster is part of a multi-wavelength survey, led by Postman, called the Cluster Lensing And Supernova survey with Hubble (CLASH). The survey probes the distribution of dark matter in 25 massive galaxy clusters.
CouRtesy NASA.]]></media:description><media:price>$13.10</media:price><media:thumbnail url="http://rlv.zcache.com/view_of_a_monster_galaxy_print-r8ea7f28d0d52405392ae4eb4b1cb2c16_v6egf_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/view_of_a_monster_galaxy_print-r8ea7f28d0d52405392ae4eb4b1cb2c16_v6egf_8byvr_500.jpg" /><media:keywords><![CDATA[space, galaxy, galaxies, posters, print, stars]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/a_galactic_rose_poster-228450734175652997</guid><pubDate>Wed, 23 Nov 2011 17:42:10 GMT</pubDate><title><![CDATA[A Galactic Rose Print]]></title><link>http://www.zazzle.com/a_galactic_rose_poster-228450734175652997</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$45.70</price><media:title><![CDATA[A Galactic Rose]]></media:title><media:description><![CDATA[To celebrate the 21st anniversary of the Hubble Space Telescope&#39;s deployment into space, astronomers at the Space Telescope Science Institute in Baltimore, Md., pointed Hubble&#39;s eye at an especially photogenic pair of interacting galaxies called Arp 273. The larger of the spiral galaxies, known as UGC 1810, has a disk that is distorted into a rose-like shape by the gravitational tidal pull of the companion galaxy below it, known as UGC 1813. This image is a composite of Hubble Wide Field Camera 3 data taken on December 17, 2010, with three separate filters that allow a broad range of wavelengths covering the ultraviolet, blue, and red portions of the spectrum.

Hubble was launched April 24, 1990, aboard Discovery&#39;s STS-31 mission. Hubble discoveries revolutionized nearly all areas of current astronomical research from planetary science to cosmology.]]></media:description><media:price>$45.70</media:price><media:thumbnail url="http://rlv.zcache.com/a_galactic_rose_poster-ra87b5179c3c94bb6b971908f6100b0ec_apzj_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/a_galactic_rose_poster-ra87b5179c3c94bb6b971908f6100b0ec_apzj_8byvr_500.jpg" /><media:keywords><![CDATA[space, astrononmy, galaxy, stars, pictures, photgraphs, beautiful, amazing, wonderful, colorful, incredible, prints, posters, hubble, telescope, photographs]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/beautiful_star_births_laptop_computer_sleeves-124417815629694753</guid><pubDate>Tue, 15 Nov 2011 17:30:44 GMT</pubDate><title><![CDATA[Beautiful Star Births Laptop Computer Sleeves]]></title><link>http://www.zazzle.com/beautiful_star_births_laptop_computer_sleeves-124417815629694753</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$27.95</price><media:title><![CDATA[Beautiful Star Births]]></media:title><media:description><![CDATA[In commemoration of NASA&#39;s Hubble Space Telescope completing its 100,000th orbit in its 18th year of exploration and discovery, scientists at the Space Telescope Science Institute in Baltimore, Md., have aimed Hubble to take a snapshot of a dazzling region of celestial birth and renewal.

Hubble peered into a small portion of the nebula near the star cluster NGC 2074 (upper, left). The region is a firestorm of raw stellar creation, perhaps triggered by a nearby supernova explosion. It lies about 170,000 light-years away near the Tarantula nebula, one of the most active star-forming regions in our Local Group of galaxies.

The three-dimensional-looking image reveals dramatic ridges and valleys of dust, serpent-head &quot;pillars of creation,&quot; and gaseous filaments glowing fiercely under torrential ultraviolet radiation. The region is on the edge of a dark molecular cloud that is an incubator for the birth of new stars.

The high-energy radiation blazing out from clusters of hot young stars already born in NGC 2074 is sculpting the wall of the nebula by slowly eroding it away. Another young cluster may be hidden beneath a circle of brilliant blue gas at center, bottom.

In this approximately 100-light-year-wide fantasy-like landscape, dark towers of dust rise above a glowing wall of gases on the surface of the molecular cloud. The seahorse-shaped pillar at lower, right is approximately 20 light-years long, roughly four times the distance between our Sun and the nearest star, Alpha Centauri.

The region is in the Large Magellanic Cloud (LMC), a satellite of our Milky Way galaxy. It is a fascinating laboratory for observing star-formation regions and their evolution. Dwarf galaxies like the LMC are considered to be the primitive building blocks of larger galaxies.

This representative color image was taken on August 10, 2008, with Hubble&#39;s Wide Field Planetary Camera 2. Red shows emission from sulfur atoms, green from glowing hydrogen, and blue from glowing oxygen. Source: NASA.]]></media:description><media:price>$27.95</media:price><media:thumbnail url="http://rlv.zcache.com/beautiful_star_births_laptop_computer_sleeves-rca88e402f9c844669976207b68d11f3d_arp6c_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/beautiful_star_births_laptop_computer_sleeves-rca88e402f9c844669976207b68d11f3d_arp6c_8byvr_500.jpg" /><media:keywords><![CDATA[galaxy, galaxies, space, astronomy, stars, science, cool, awesome, gift, gifts, art, fantasy, photography, beautiful, amazing, laptop sleeves]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/galactic_cloud_tile-227411265131771757</guid><pubDate>Wed, 09 Nov 2011 16:50:55 GMT</pubDate><title><![CDATA[Galactic Cloud Tile]]></title><link>http://www.zazzle.com/galactic_cloud_tile-227411265131771757</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$15.95</price><media:title><![CDATA[Galactic Cloud]]></media:title><media:description><![CDATA[Swirls of gas and dust reside in this ethereal-looking region of star formation imaged by NASA&#39;s Hubble Space Telescope. This majestic view, located in the Large Magellanic Cloud (LMC), reveals a region where low-mass, infant stars and their much more massive stellar neighbors reside. A shroud of blue haze gently lingers amid the stars.

Known as LH 95, this is just one of the hundreds of star-forming systems, called associations, located in the LMC some 160,000 light-years distant. Earlier ground-based observations of such systems had only allowed astronomers to study the bright blue giant stars present in these regions. With Hubble&#39;s resolution, the low-mass stars can now be analyzed, which will allow for a more accurate calculation of their ages and masses.

This detailed view of the star-forming association LH 95 was taken with Hubble&#39;s Advanced Camera for Surveys and provides an extraordinarily rich sample of newly formed low-mass stars. The LMC is a galaxy with relatively small amounts of elements heavier than hydrogen, giving astronomers an insight into star formation in environments different than our Milky Way.

The largest stars within LH 95 - those with at least three times the mass of the Sun - generate strong stellar winds and high levels of ultraviolet radiation that heat the surrounding interstellar gas. The result is a bluish nebula of glowing hydrogen that continues to expand out into the molecular cloud that originally collapsed to form these massive stars.

Some dense parts of this star-forming region are intact despite the stellar winds, and can still be seen as dark dusty filaments in the picture. Such dust lanes absorb parts of the blue light from the stars behind them, making them appear redder. Other parts of the molecular cloud have already contracted to turn into glowing groups of infant stars, the fainter of which have a high tendency to cluster. This deep Hubble image also reveals several large spiral and distant galaxies decorating the background of LH 95. 

This image of LH 95 is a composite of two filters that localize visible (V) and infrared (I) light. Because of the color assignments chosen, doubly ionized hydrogen, which is visible within the V filter, appears bluish. The choice of color assignment helps to distinguish hot bright blue stars from cooler, less luminous red stars.  Source: NASA.]]></media:description><media:price>$15.95</media:price><media:thumbnail url="http://rlv.zcache.com/galactic_cloud_tile-rd76616d127c9406794ede3478ed717f1_agtk1_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/galactic_cloud_tile-rd76616d127c9406794ede3478ed717f1_agtk1_8byvr_500.jpg" /><media:keywords><![CDATA[space, astronomy, stars]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/star_forming_region_lh_95_pc_speakers-166454506766475759</guid><pubDate>Wed, 01 Jun 2011 19:55:23 GMT</pubDate><title><![CDATA[Star-Forming Region LH 95 PC Speakers]]></title><link>http://www.zazzle.com/star_forming_region_lh_95_pc_speakers-166454506766475759</link><author>Galactica</author><description><![CDATA[



<div id="page_zWidget18" class="dX dX-Grid gbb-Grid dX-152 clearfix">

	

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				<img id="page_zWidget18-preview" src="http://rlv.zcache.com/star_forming_region_lh_95_pc_speakers-r39f4b931d168448ebe52389d532bf8ee_vs8xj_8byvr_152.jpg" alt="Star-Forming Region LH 95 PC Speakers" title="Star-Forming Region LH 95 PC Speakers" class="dX-realviewImage" />
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				<span class="gbb-price">$35.95</span>
				
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				<a href="http://www.zazzle.com/star_forming_region_lh_95_pc_speakers-166454506766475759" id="page_zWidget18-title" class="gbb-productTitle" title="Star-Forming Region LH 95 PC Speakers">Star-Forming Region LH 95 PC Speakers</a>
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</div>]]></description><price>$35.95</price><media:title><![CDATA[Star-Forming Region LH 95]]></media:title><media:description><![CDATA[Star-Forming Region LH 95 Speakers. Swirls of gas and dust reside in this ethereal-looking region of star formation imaged by NASA&#39;s Hubble Space Telescope. This majestic view, located in the Large Magellanic Cloud (LMC), reveals a region where low-mass, infant stars and their much more massive stellar neighbors reside. A shroud of blue haze gently lingers amid the stars.

Known as LH 95, this is just one of the hundreds of star-forming systems, called associations, located in the LMC some 160,000 light-years distant. Earlier ground-based observations of such systems had only allowed astronomers to study the bright blue giant stars present in these regions. With Hubble&#39;s resolution, the low-mass stars can now be analyzed, which will allow for a more accurate calculation of their ages and masses.

This detailed view of the star-forming association LH 95 was taken with Hubble&#39;s Advanced Camera for Surveys and provides an extraordinarily rich sample of newly formed low-mass stars. The LMC is a galaxy with relatively small amounts of elements heavier than hydrogen, giving astronomers an insight into star formation in environments different than our Milky Way.

The largest stars within LH 95 - those with at least three times the mass of the Sun - generate strong stellar winds and high levels of ultraviolet radiation that heat the surrounding interstellar gas. The result is a bluish nebula of glowing hydrogen that continues to expand out into the molecular cloud that originally collapsed to form these massive stars.

Some dense parts of this star-forming region are intact despite the stellar winds, and can still be seen as dark dusty filaments in the picture. Such dust lanes absorb parts of the blue light from the stars behind them, making them appear redder. Other parts of the molecular cloud have already contracted to turn into glowing groups of infant stars, the fainter of which have a high tendency to cluster. This deep Hubble image also reveals several large spiral and distant galaxies decorating the background of LH 95. 

This image of LH 95 is a composite of two filters that localize visible (V) and infrared (I) light. Because of the color assignments chosen, doubly ionized hydrogen, which is visible within the V filter, appears bluish. The choice of color assignment helps to distinguish hot bright blue stars from cooler, less luminous red stars.  Source: NASA.]]></media:description><media:price>$35.95</media:price><media:thumbnail url="http://rlv.zcache.com/star_forming_region_lh_95_pc_speakers-r39f4b931d168448ebe52389d532bf8ee_vs8xj_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/star_forming_region_lh_95_pc_speakers-r39f4b931d168448ebe52389d532bf8ee_vs8xj_8byvr_500.jpg" /><media:keywords><![CDATA[space, astronomy, nebula, stars, star, print, prints, posters, poster, nebulas, nasa, speakers, music, abstract, fantasy, beauty, photography, pictures, gorgeous, incredible, nature, natural, natures, art, gifts, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/star_cluster_ngc_3603_ipod_speaker-166113675556442413</guid><pubDate>Wed, 01 Jun 2011 19:48:13 GMT</pubDate><title><![CDATA[Star Cluster NGC 3603 iPod Speaker]]></title><link>http://www.zazzle.com/star_cluster_ngc_3603_ipod_speaker-166113675556442413</link><author>Galactica</author><description><![CDATA[



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				<a href="http://www.zazzle.com/star_cluster_ngc_3603_ipod_speaker-166113675556442413" id="page_zWidget19-title" class="gbb-productTitle" title="Star Cluster NGC 3603 iPod Speaker">Star Cluster NGC 3603 iPod Speaker</a>
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</div>]]></description><price>$35.95</price><media:title><![CDATA[Star Cluster NGC 3603]]></media:title><media:description><![CDATA[Star Cluster NGC 3603. Courtesy: NASA.]]></media:description><media:price>$35.95</media:price><media:thumbnail url="http://rlv.zcache.com/star_cluster_ngc_3603_ipod_speaker-rd88b3366bd0b4bec8b76e3fef8a79acc_vs8xj_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/star_cluster_ngc_3603_ipod_speaker-rd88b3366bd0b4bec8b76e3fef8a79acc_vs8xj_8byvr_500.jpg" /><media:keywords><![CDATA[space, astronomy, galaxies, speakers, music, abtract, stars, beautiful, pictures, photographs, stunning, nature, pics, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/the_pleiades_star_cluster_speaker_system-166048189376678673</guid><pubDate>Fri, 27 May 2011 03:14:07 GMT</pubDate><title><![CDATA[The Pleiades Star Cluster Speaker System]]></title><link>http://www.zazzle.com/the_pleiades_star_cluster_speaker_system-166048189376678673</link><author>Galactica</author><description><![CDATA[



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				<a href="http://www.zazzle.com/the_pleiades_star_cluster_speaker_system-166048189376678673" id="page_zWidget20-title" class="gbb-productTitle" title="The Pleiades Star Cluster Speaker System">The Pleiades Star Cluster Speaker System</a>
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</div>]]></description><price>$35.95</price><media:title><![CDATA[The Pleiades Star Cluster]]></media:title><media:description><![CDATA[Astronomers using NASA&#39;s Hubble Space Telescope have helped settle a mystery that has puzzled scientists concerning the exact distance to the famous nearby star cluster known as the Pleiades, or the Seven Sisters. The Pleiades cluster, named by the ancient Greeks, is easily seen as a small grouping of stars lying near the shoulder of Taurus, the Bull, in the winter sky. Although it might be expected that the distance to this well-studied cluster would be well established, there has been an ongoing controversy among astronomers about its distance for the past seven years.Source: NASA]]></media:description><media:price>$35.95</media:price><media:thumbnail url="http://rlv.zcache.com/the_pleiades_star_cluster_speaker_system-rc0a20ab3733a425cbcd8c812b78eca53_vs8xj_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/the_pleiades_star_cluster_speaker_system-rc0a20ab3733a425cbcd8c812b78eca53_vs8xj_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, prints, posters, poster, print, milky way, stars, nebula, dad, son, gifts, speakers, photography, pretty, beautiful, girls, gorgeous, music, blue]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/the_breathtaking_carina_nebula_mini_speaker-166788100945231928</guid><pubDate>Fri, 27 May 2011 03:01:07 GMT</pubDate><title><![CDATA[The Breathtaking Carina Nebula Mini Speaker]]></title><link>http://www.zazzle.com/the_breathtaking_carina_nebula_mini_speaker-166788100945231928</link><author>Galactica</author><description><![CDATA[



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				<img id="page_zWidget21-preview" src="http://rlv.zcache.com/the_breathtaking_carina_nebula_mini_speaker-r32c92e5a3d9b47b98b5df2f6ceacdb0d_vs8xj_8byvr_152.jpg" alt="The Breathtaking Carina Nebula Mini Speaker" title="The Breathtaking Carina Nebula Mini Speaker" class="dX-realviewImage" />
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				<a href="http://www.zazzle.com/the_breathtaking_carina_nebula_mini_speaker-166788100945231928" id="page_zWidget21-title" class="gbb-productTitle" title="The Breathtaking Carina Nebula Mini Speaker">The Breathtaking Carina Nebula Mini Speaker</a>
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</div>]]></description><price>$35.95</price><media:title><![CDATA[The Breathtaking Carina Nebula]]></media:title><media:description><![CDATA[This is a region of the Carina Nebula where a maelstrom of star birth — and death — is taking place. This image is a mosaic of the Carina Nebula assembled from 48 frames taken with Hubble&#39;s Advanced Camera for Surveys. The Hubble images were taken in the light of neutral hydrogen during March and July 2005. Color information was added with data taken in December 2001 and March 2003 at the Cerro Tololo Inter-American Observatory in Chile. Red corresponds to sulfur, green to hydrogen, and blue to oxygen emission. Source: NASA]]></media:description><media:price>$35.95</media:price><media:thumbnail url="http://rlv.zcache.com/the_breathtaking_carina_nebula_mini_speaker-r32c92e5a3d9b47b98b5df2f6ceacdb0d_vs8xj_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/the_breathtaking_carina_nebula_mini_speaker-r32c92e5a3d9b47b98b5df2f6ceacdb0d_vs8xj_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, prints, posters, poster, print, milky way, stars, nebula, dad, son, gifts, speakers, photography, pictures]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/turbulent_star_birth_region_selection_speaker-166079813845844225</guid><pubDate>Fri, 27 May 2011 02:51:15 GMT</pubDate><title><![CDATA[Turbulent Star-Birth Region Selection Laptop Speakers]]></title><link>http://www.zazzle.com/turbulent_star_birth_region_selection_speaker-166079813845844225</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$35.95</price><media:title><![CDATA[Turbulent Star-Birth Region Selection]]></media:title><media:description><![CDATA[In commemoration of NASA&#39;s Hubble Space Telescope completing its 100,000th orbit in its 18th year of exploration and discovery, scientists at the Space Telescope Science Institute in Baltimore, Md., have aimed Hubble to take a snapshot of a dazzling region of celestial birth and renewal.]]></media:description><media:price>$35.95</media:price><media:thumbnail url="http://rlv.zcache.com/turbulent_star_birth_region_selection_speaker-r527d6ce52af54049895461c444b83d99_vs8xj_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/turbulent_star_birth_region_selection_speaker-r527d6ce52af54049895461c444b83d99_vs8xj_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, prints, posters, poster, print, milky way, stars, nebula, dad, son, gifts, speakers, photography, pictues]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/beautiful_heart_of_the_milky_way_galaxy_speakers-166141372597464381</guid><pubDate>Fri, 27 May 2011 02:43:15 GMT</pubDate><title><![CDATA[Beautiful Heart of The Milky Way Galaxy Speakers]]></title><link>http://www.zazzle.com/beautiful_heart_of_the_milky_way_galaxy_speakers-166141372597464381</link><author>Galactica</author><description><![CDATA[



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				<a href="http://www.zazzle.com/beautiful_heart_of_the_milky_way_galaxy_speakers-166141372597464381" id="page_zWidget23-title" class="gbb-productTitle" title="Beautiful Heart of The Milky Way Galaxy Speakers">Beautiful Heart of The Milky Way Galaxy Speakers</a>
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</div>]]></description><price>$35.95</price><media:title><![CDATA[Beautiful Heart of The Milky Way Galaxy]]></media:title><media:description><![CDATA[A never-before-seen view of the turbulent heart of our Milky Way galaxy is being unveiled by NASA on Nov. 10. This event will commemorate the 400 years since Galileo first turned his telescope to the heavens in 1609. In celebration of this International Year of Astronomy, NASA is releasing images of the galactic center region as seen by its Great Observatories to more than 150 planetariums, museums, nature centers, libraries, and schools across the country. The sites will unveil a giant, 6-foot-by-3-foot print of the bustling hub of our galaxy that combines a near-infrared view from the Hubble Space Telescope, an infrared view from the Spitzer Space Telescope, and an X-ray view from the Chandra X-ray Observatory into one multiwavelength picture. Experts from all three observatories carefully assembled the final image from large mosaic photo surveys taken by each telescope. This composite image provides one of the most detailed views ever of our galaxy&#39;s mysterious core. Participating institutions also will display a matched trio of Hubble, Spitzer, and Chandra images of the Milky Way&#39;s center on a second large panel measuring 3 feet by 4 feet. Each image shows the telescope&#39;s different wavelength view of the galactic center region, illustrating not only the unique science each observatory conducts, but also how far astronomy has come since Galileo. The composite image features the spectacle of stellar evolution: from vibrant regions of star birth, to young hot stars, to old cool stars, to seething remnants of stellar death called black holes. This activity occurs against a fiery backdrop in the crowded, hostile environment of the galaxy&#39;s core, the center of which is dominated by a supermassive black hole nearly four million times more massive than our Sun. Permeating the region is a diffuse blue haze of X-ray light from gas that has been heated to millions of degrees by outflows from the supermassive black hole as well as by winds from massive stars and by stellar explosions. Infrared light reveals more than a hundred thousand stars along with glowing dust clouds that create complex structures including compact globules, long filaments, and finger-like &quot;pillars of creation,&quot; where newborn stars are just beginning to break out of their dark, dusty cocoons.Courtesy: NASA.]]></media:description><media:price>$35.95</media:price><media:thumbnail url="http://rlv.zcache.com/beautiful_heart_of_the_milky_way_galaxy_speakers-r0b9871fe567b4530903d2a61db245d1d_vs8xj_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/beautiful_heart_of_the_milky_way_galaxy_speakers-r0b9871fe567b4530903d2a61db245d1d_vs8xj_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, prints, posters, poster, print, milky way, stars, nebula, dad, gifts, son, astronomy]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/orion_nebula_art_poster-228151490525280662</guid><pubDate>Tue, 13 Jul 2010 18:09:15 GMT</pubDate><title><![CDATA[Orion Nebula Art Posters]]></title><link>http://www.zazzle.com/orion_nebula_art_poster-228151490525280662</link><author>Galactica</author><description><![CDATA[



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				<a href="http://www.zazzle.com/orion_nebula_art_poster-228151490525280662" id="page_zWidget24-title" class="gbb-productTitle" title="Orion Nebula Art Posters">Orion Nebula Art Posters</a>
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</div>]]></description><price>$27.35</price><media:title><![CDATA[Orion Nebula Art]]></media:title><media:description><![CDATA[Orion Nebula Art Print. Close inspection of the 2006 Hubble Space Telescope color mosaic of the Orion Nebula (M42) reveals numerous treasures that reside within the nearby, intense star- forming region. Southwest of the Trapezium stars located in the center of the nebula, a stunning Hubble Heritage portrait captures a variety of intricate objects. Deeply contrasting areas of light and dark blend with a palette of colors mix to form rich swirls and fluid motions that would make even the best artists stand back and admire their work.

Visible slightly above left center is the star LL Orionis (LL Ori), originally release by the Hubble Heritage Project in 2002. The delicate bow shock that surrounds LL Ori points towards the stream of gas flowing slowly away from the center of the Orion Nebula, near the Trapezium stars located off the image to the upper left. Close examination of the ends of the bow shock show secondary shocks that are formed as a two-sided jet of gas flowing away from this forming star at high velocity strikes the stream of low velocity gas from the center. To the right of LL Ori, a ghostly veil of material hangs thick and dark, obscuring portions of the nebula behind it.

The bright star toward the lower left of the image, known as LP Orionis (LP Ori), is surrounded by a prominent reflection nebula. Astronomers believe the star is moving within another veil of material that lies in front of M42. The appearance of the bright rim above LP Ori indicates that the teardrop shaped dark region around the illuminating star must be a cavity formed as the star moves through the veil material, rather than being a dusty veil obscuring light behind it.  Source; NASA.]]></media:description><media:price>$27.35</media:price><media:thumbnail url="http://rlv.zcache.com/orion_nebula_art_poster-r493fec6e8cb14119a5a0c817a96c6d16_ea28_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/orion_nebula_art_poster-r493fec6e8cb14119a5a0c817a96c6d16_ea28_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, prints, posters, poster, print, milky way, stars, nebula, nature, landscapes]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/a_pinwheel_galaxy_poster-228050621708837815</guid><pubDate>Sun, 06 Jun 2010 02:23:36 GMT</pubDate><title><![CDATA[A Pinwheel Galaxy Poster]]></title><link>http://www.zazzle.com/a_pinwheel_galaxy_poster-228050621708837815</link><author>Galactica</author><description><![CDATA[



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				<a href="http://www.zazzle.com/a_pinwheel_galaxy_poster-228050621708837815" id="page_zWidget25-title" class="gbb-productTitle" title="A Pinwheel Galaxy Poster">A Pinwheel Galaxy Poster</a>
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</div>]]></description><price>$22.25</price><media:title><![CDATA[A Pinwheel Galaxy]]></media:title><media:description><![CDATA[This dramatic spiral galaxy is one of the latest viewed by NASA&#39;s Hubble Space Telescope. Stunning details of the face-on spiral galaxy, cataloged as NGC 1309, are captured in this color image. NGC 1309 was home to supernova SN 2002fk, whose light reached Earth in September 2002. NGC 1309 resides 100 million light-years (30 Megaparsecs) from Earth. It is one of about 200 galaxies that make up the Eridanus group of galaxies. Courtesy: NASA.]]></media:description><media:price>$22.25</media:price><media:thumbnail url="http://rlv.zcache.com/a_pinwheel_galaxy_poster-r88641b816ca94f25a883e477fdd2fbf2_aibvq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/a_pinwheel_galaxy_poster-r88641b816ca94f25a883e477fdd2fbf2_aibvq_8byvr_500.jpg" /><media:keywords><![CDATA[space, astronomy, prints, beautiful, galaxy, galaxies, vivid, blues, stunning, universe, science, stars, print, posters, telescopes, photos, pictures, photography, photograph]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/galactica_mug-168633079072020873</guid><pubDate>Tue, 01 Jun 2010 20:05:29 GMT</pubDate><title><![CDATA[Galactica Mug]]></title><link>http://www.zazzle.com/galactica_mug-168633079072020873</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$17.95</price><media:title><![CDATA[Galactica Mug]]></media:title><media:description><![CDATA[Galactica mug.]]></media:description><media:price>$17.95</media:price><media:thumbnail url="http://rlv.zcache.com/galactica_mug-rf5a1e29a5512425ebea59ee0db647fba_x7jg9_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/galactica_mug-rf5a1e29a5512425ebea59ee0db647fba_x7jg9_8byvr_500.jpg" /><media:keywords><![CDATA[space, astronomy, nasa, mugs, gifts, science, technology]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/hubbles_festive_view_of_a_star_forming_region_poster-228397921734625213</guid><pubDate>Wed, 16 Dec 2009 23:38:25 GMT</pubDate><title><![CDATA[Hubble&#39;s Festive View of a Star-Forming Region Poster]]></title><link>http://www.zazzle.com/hubbles_festive_view_of_a_star_forming_region_poster-228397921734625213</link><author>Galactica</author><description><![CDATA[



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				<a href="http://www.zazzle.com/hubbles_festive_view_of_a_star_forming_region_poster-228397921734625213" id="page_zWidget27-title" class="gbb-productTitle" title="Hubble&amp;#39;s Festive View of a Star-Forming Region Poster">Hubble&#39;s Festive View of a Star-Forming Region Poster</a>
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</div>]]></description><price>$22.05</price><media:title><![CDATA[Hubble's Festive View of a Star-Forming Region]]></media:title><media:description><![CDATA[Hubble&#39;s Festive View of a Star-Forming Region. December 15, 2009: Just in time for the holidays: a Hubble Space Telescope picture postcard of hundreds of brilliant blue stars wreathed by warm, glowing clouds. The festive portrait is the most detailed view of the largest stellar nursery in our local galactic neighborhood. The massive, young stellar grouping, called R136, is only a few million years old and resides in the 30 Doradus Nebula, a turbulent star-birth region in the Large Magellanic Cloud (LMC), a satellite galaxy of our Milky Way. There is no known star-forming region in our galaxy as large or as prolific as 30 Doradus. Many of the diamond-like icy blue stars are among the most massive stars known. Several of them are over 100 times more massive than our Sun. These hefty stars are destined to pop off, like a string of firecrackers, as supernovas in a few million years.

The image, taken in ultraviolet, visible, and red light by Hubble&#39;s Wide Field Camera 3, spans about 100 light-years. The nebula is close enough to Earth that Hubble can resolve individual stars, giving astronomers important information about the birth and evolution of stars in the universe. The Hubble observations were taken Oct. 20-27, 2009. The blue color is light from the hottest, most massive stars; the green from the glow of oxygen; and the red from fluorescing hydrogen. Courtesy: NASA.]]></media:description><media:price>$22.05</media:price><media:thumbnail url="http://rlv.zcache.com/hubbles_festive_view_of_a_star_forming_region_poster-r2ec74ca5f7394be0b7dc0e4288236ff0_w2q_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/hubbles_festive_view_of_a_star_forming_region_poster-r2ec74ca5f7394be0b7dc0e4288236ff0_w2q_8byvr_500.jpg" /><media:keywords><![CDATA[stars, nebula, galaxies, prints, gifts, space, posters, beautiful, colors, science, scientific, technology]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/beautiful_heart_of_the_milky_way_galaxy_poster-228097447328597240</guid><pubDate>Fri, 13 Nov 2009 16:46:57 GMT</pubDate><title><![CDATA[Beautiful Heart of The Milky Way Galaxy Poster]]></title><link>http://www.zazzle.com/beautiful_heart_of_the_milky_way_galaxy_poster-228097447328597240</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$27.45</price><media:title><![CDATA[Beautiful Heart of The Milky Way Galaxy]]></media:title><media:description><![CDATA[A never-before-seen view of the turbulent heart of our Milky Way galaxy is being unveiled by NASA on Nov. 10. This event will commemorate the 400 years since Galileo first turned his telescope to the heavens in 1609. In celebration of this International Year of Astronomy, NASA is releasing images of the galactic center region as seen by its Great Observatories to more than 150 planetariums, museums, nature centers, libraries, and schools across the country. The sites will unveil a giant, 6-foot-by-3-foot print of the bustling hub of our galaxy that combines a near-infrared view from the Hubble Space Telescope, an infrared view from the Spitzer Space Telescope, and an X-ray view from the Chandra X-ray Observatory into one multiwavelength picture. Experts from all three observatories carefully assembled the final image from large mosaic photo surveys taken by each telescope. This composite image provides one of the most detailed views ever of our galaxy&#39;s mysterious core. Participating institutions also will display a matched trio of Hubble, Spitzer, and Chandra images of the Milky Way&#39;s center on a second large panel measuring 3 feet by 4 feet. Each image shows the telescope&#39;s different wavelength view of the galactic center region, illustrating not only the unique science each observatory conducts, but also how far astronomy has come since Galileo. The composite image features the spectacle of stellar evolution: from vibrant regions of star birth, to young hot stars, to old cool stars, to seething remnants of stellar death called black holes. This activity occurs against a fiery backdrop in the crowded, hostile environment of the galaxy&#39;s core, the center of which is dominated by a supermassive black hole nearly four million times more massive than our Sun. Permeating the region is a diffuse blue haze of X-ray light from gas that has been heated to millions of degrees by outflows from the supermassive black hole as well as by winds from massive stars and by stellar explosions. Infrared light reveals more than a hundred thousand stars along with glowing dust clouds that create complex structures including compact globules, long filaments, and finger-like &quot;pillars of creation,&quot; where newborn stars are just beginning to break out of their dark, dusty cocoons.Courtesy: NASA.]]></media:description><media:price>$27.45</media:price><media:thumbnail url="http://rlv.zcache.com/beautiful_heart_of_the_milky_way_galaxy_poster-r999bdfeca54743bfa8cf97fb96292a92_ai6ov_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/beautiful_heart_of_the_milky_way_galaxy_poster-r999bdfeca54743bfa8cf97fb96292a92_ai6ov_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, galaxies, galaxy, space, prints, posters, poster, print, milky way, stars, nebula, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/the_whirlpool_galaxy_m51_print-228104261153891072</guid><pubDate>Mon, 14 Sep 2009 19:47:16 GMT</pubDate><title><![CDATA[The Whirlpool Galaxy M51 Print]]></title><link>http://www.zazzle.com/the_whirlpool_galaxy_m51_print-228104261153891072</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$27.40</price><media:title><![CDATA[The Whirlpool Galaxy M51 Print]]></media:title><media:description><![CDATA[The graceful, winding arms of the majestic spiral galaxy M51 (NGC 5194) appear like a grand spiral staircase sweeping through space. They are actually long lanes of stars and gas laced with dust. This sharpest-ever image of the Whirlpool Galaxy, taken in January 2005 with the Advanced Camera for Surveys aboard NASA&#39;s Hubble Space Telescope, illustrates a spiral galaxy&#39;s grand design, from its curving spiral arms, where young stars reside, to its yellowish central core, a home of older stars. The galaxy is nicknamed the Whirlpool because of its swirling structure. The Whirlpool&#39;s most striking feature is its two curving arms, a of so-called grand-design spiral galaxies. Many spiral galaxies possess numerous, loosely shaped arms which make their spiral structure less pronounced. These arms serve an important purpose in spiral galaxies. They are star-formation factories, compressing hydrogen gas and creating clusters of new stars. In the Whirlpool, the assembly line begins with the dark clouds of gas on the inner edge, then moves to bright pink star-forming regions, and ends with the brilliant blue star clusters along the outer edge. Some astronomers believe that the Whirlpool&#39;s arms are so prominent because of the effects of a close encounter with NGC 5195, the small, yellowish galaxy at the outermost tip of one of the Whirlpool&#39;s arms. At first glance, the compact galaxy appears to be tugging on the arm. Hubble&#39;s clear view, however, shows that NGC 5195 is passing behind the Whirlpool. The small galaxy has been gliding past the Whirlpool for hundreds of millions of years. As NGC 5195 drifts by, its gravitational muscle pumps up waves within the Whirlpool&#39;s pancake-shaped disk. The waves are like ripples in a pond generated when a rock is thrown in the water. When the waves pass through orbiting gas clouds within the disk, they squeeze the gaseous material along each arm&#39;s inner edge. The dark dusty material looks like gathering storm clouds. These dense clouds collapse, creating a wake of star birth, as seen in the bright pink star-forming regions. The largest stars eventually sweep away the dusty cocoons with a torrent of radiation, hurricane-like stellar winds, and shock waves from supernova blasts. Bright blue star clusters emerge from the mayhem, illuminating the Whirlpool&#39;s arms like city streetlights. The Whirlpool is one of astronomy&#39;s galactic darlings. Located 31 million light-years away in the constellation Canes Venatici (the Hunting Dogs), the Whirlpool&#39;s beautiful face-on view and closeness to Earth allow astronomers to study a classic spiral galaxy&#39;s structure and star-forming processes. Photograph and description courtesy NASA,]]></media:description><media:price>$27.40</media:price><media:thumbnail url="http://rlv.zcache.com/the_whirlpool_galaxy_m51_print-r8e85ba6ad4fd4d2abcb6073059dd7baa_azk34_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/the_whirlpool_galaxy_m51_print-r8e85ba6ad4fd4d2abcb6073059dd7baa_azk34_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, astronomy, prints, posters, galaxy, galaxies, stars, star, space, hubble, beautiful, cosmos, science]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/turbulent_star_birth_region_selection_print-228812515810392219</guid><pubDate>Sun, 30 Nov 2008 23:04:14 GMT</pubDate><title><![CDATA[Turbulent Star-Birth Region Selection Print]]></title><link>http://www.zazzle.com/turbulent_star_birth_region_selection_print-228812515810392219</link><author>Galactica</author><description><![CDATA[



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				<a href="http://www.zazzle.com/turbulent_star_birth_region_selection_print-228812515810392219" id="page_zWidget30-title" class="gbb-productTitle" title="Turbulent Star-Birth Region Selection Print">Turbulent Star-Birth Region Selection Print</a>
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</div>]]></description><price>$23.50</price><media:title><![CDATA[Turbulent Star-Birth Region Selection Print]]></media:title><media:description><![CDATA[In commemoration of NASA&#39;s Hubble Space Telescope completing its 100,000th orbit in its 18th year of exploration and discovery, scientists at the Space Telescope Science Institute in Baltimore, Md., have aimed Hubble to take a snapshot of a dazzling region of celestial birth and renewal.

Hubble peered into a small portion of the nebula near the star cluster NGC 2074 (upper, left). The region is a firestorm of raw stellar creation, perhaps triggered by a nearby supernova explosion. It lies about 170,000 light-years away near the Tarantula nebula, one of the most active star-forming regions in our Local Group of galaxies.

The three-dimensional-looking image reveals dramatic ridges and valleys of dust, serpent-head &quot;pillars of creation,&quot; and gaseous filaments glowing fiercely under torrential ultraviolet radiation. The region is on the edge of a dark molecular cloud that is an incubator for the birth of new stars.

The high-energy radiation blazing out from clusters of hot young stars already born in NGC 2074 is sculpting the wall of the nebula by slowly eroding it away. Another young cluster may be hidden beneath a circle of brilliant blue gas at center, bottom.

In this approximately 100-light-year-wide fantasy-like landscape, dark towers of dust rise above a glowing wall of gases on the surface of the molecular cloud. The seahorse-shaped pillar at lower, right is approximately 20 light-years long, roughly four times the distance between our Sun and the nearest star, Alpha Centauri.

The region is in the Large Magellanic Cloud (LMC), a satellite of our Milky Way galaxy. It is a fascinating laboratory for observing star-formation regions and their evolution. Dwarf galaxies like the LMC are considered to be the primitive building blocks of larger galaxies.

This representative color image was taken on August 10, 2008, with Hubble&#39;s Wide Field Planetary Camera 2. Red shows emission from sulfur atoms, green from glowing hydrogen, and blue from glowing oxygen. Source: NASA]]></media:description><media:price>$23.50</media:price><media:thumbnail url="http://rlv.zcache.com/turbulent_star_birth_region_selection_print-rf346aeff1fba478b84a544c35f69bb4f_a6avx_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/turbulent_star_birth_region_selection_print-rf346aeff1fba478b84a544c35f69bb4f_a6avx_8byvr_500.jpg" /><media:keywords><![CDATA[hubble, nasa, stars, star, galaxy, galaxies, space, astronomy, telescope, beautiful, postcard, postcards, photos, photograph, gift, gifts, nebula, nature, landscapes]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/turbulent_star_birth_region_selection_mug-168506109569977954</guid><pubDate>Sun, 30 Nov 2008 23:02:06 GMT</pubDate><title><![CDATA[Turbulent Star-Birth Region Selection Mug]]></title><link>http://www.zazzle.com/turbulent_star_birth_region_selection_mug-168506109569977954</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$17.95</price><media:title><![CDATA[Turbulent Star-Birth Region Selection]]></media:title><media:description><![CDATA[In commemoration of NASA&#39;s Hubble Space Telescope completing its 100,000th orbit in its 18th year of exploration and discovery, scientists at the Space Telescope Science Institute in Baltimore, Md., have aimed Hubble to take a snapshot of a dazzling region of celestial birth and renewal. Hubble peered into a small portion of the nebula near the star cluster NGC 2074 (upper, left). The region is a firestorm of raw stellar creation, perhaps triggered by a nearby supernova explosion. It lies about 170,000 light-years away near the Tarantula nebula, one of the most active star-forming regions in our Local Group of galaxies. The three-dimensional-looking image reveals dramatic ridges and valleys of dust, serpent-head &quot;pillars of creation,&quot; and gaseous filaments glowing fiercely under torrential ultraviolet radiation. The region is on the edge of a dark molecular cloud that is an incubator for the birth of new stars. The high-energy radiation blazing out from clusters of hot young stars already born in NGC 2074 is sculpting the wall of the nebula by slowly eroding it away. Another young cluster may be hidden beneath a circle of brilliant blue gas at center, bottom. In this approximately 100-light-year-wide fantasy-like landscape, dark towers of dust rise above a glowing wall of gases on the surface of the molecular cloud. The seahorse-shaped pillar at lower, right is approximately 20 light-years long, roughly four times the distance between our Sun and the nearest star, Alpha Centauri. The region is in the Large Magellanic Cloud (LMC), a satellite of our Milky Way galaxy. It is a fascinating laboratory for observing star-formation regions and their evolution. Dwarf galaxies like the LMC are considered to be the primitive building blocks of larger galaxies. This representative color image was taken on August 10, 2008, with Hubble&#39;s Wide Field Planetary Camera 2. Red shows emission from sulfur atoms, green from glowing hydrogen, and blue from glowing oxygen. Source: NASA.]]></media:description><media:price>$17.95</media:price><media:thumbnail url="http://rlv.zcache.com/turbulent_star_birth_region_selection_mug-rc6107c613ec544fb991027eac3e9739e_x7jgr_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/turbulent_star_birth_region_selection_mug-rc6107c613ec544fb991027eac3e9739e_x7jgr_8byvr_500.jpg" /><media:keywords><![CDATA[hubble, nasa, stars, star, galaxy, galaxies, space, astronomy, telescope, beautiful, postcard, postcards, photos, photograph, gift, gifts, nebula, nature, landscapes]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/turbulent_star_birth_region_selection_mouse_pads-144168423267481043</guid><pubDate>Sun, 30 Nov 2008 23:02:06 GMT</pubDate><title><![CDATA[Turbulent Star-Birth Region Selection Mouse Pads]]></title><link>http://www.zazzle.com/turbulent_star_birth_region_selection_mouse_pads-144168423267481043</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$13.95</price><media:title><![CDATA[Turbulent Star-Birth Region Selection]]></media:title><media:description><![CDATA[In commemoration of NASA&#39;s Hubble Space Telescope completing its 100,000th orbit in its 18th year of exploration and discovery, scientists at the Space Telescope Science Institute in Baltimore, Md., have aimed Hubble to take a snapshot of a dazzling region of celestial birth and renewal.

Hubble peered into a small portion of the nebula near the star cluster NGC 2074 (upper, left). The region is a firestorm of raw stellar creation, perhaps triggered by a nearby supernova explosion. It lies about 170,000 light-years away near the Tarantula nebula, one of the most active star-forming regions in our Local Group of galaxies.

The three-dimensional-looking image reveals dramatic ridges and valleys of dust, serpent-head &quot;pillars of creation,&quot; and gaseous filaments glowing fiercely under torrential ultraviolet radiation. The region is on the edge of a dark molecular cloud that is an incubator for the birth of new stars.

The high-energy radiation blazing out from clusters of hot young stars already born in NGC 2074 is sculpting the wall of the nebula by slowly eroding it away. Another young cluster may be hidden beneath a circle of brilliant blue gas at center, bottom.

In this approximately 100-light-year-wide fantasy-like landscape, dark towers of dust rise above a glowing wall of gases on the surface of the molecular cloud. The seahorse-shaped pillar at lower, right is approximately 20 light-years long, roughly four times the distance between our Sun and the nearest star, Alpha Centauri.

The region is in the Large Magellanic Cloud (LMC), a satellite of our Milky Way galaxy. It is a fascinating laboratory for observing star-formation regions and their evolution. Dwarf galaxies like the LMC are considered to be the primitive building blocks of larger galaxies.

This representative color image was taken on August 10, 2008, with Hubble&#39;s Wide Field Planetary Camera 2. Red shows emission from sulfur atoms, green from glowing hydrogen, and blue from glowing oxygen. Source: NASA.]]></media:description><media:price>$13.95</media:price><media:thumbnail url="http://rlv.zcache.com/turbulent_star_birth_region_selection_mouse_pads-r0dc8a60143894eed84a0e08c5e2dcd39_x74vi_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/turbulent_star_birth_region_selection_mouse_pads-r0dc8a60143894eed84a0e08c5e2dcd39_x74vi_8byvr_500.jpg" /><media:keywords><![CDATA[hubble, nasa, stars, star, galaxy, galaxies, space, astronomy, telescope, beautiful, postcard, postcards, photos, photograph, gift, gifts, nebula, nature, landscapes]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/turbulent_star_birth_region_selection_postage-172691418978139121</guid><pubDate>Sun, 30 Nov 2008 23:02:05 GMT</pubDate><title><![CDATA[Turbulent Star-Birth Region Selection Postage Stamp]]></title><link>http://www.zazzle.com/turbulent_star_birth_region_selection_postage-172691418978139121</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$25.15</price><media:title><![CDATA[Turbulent Star-Birth Region Selection]]></media:title><media:description><![CDATA[In commemoration of NASA&#39;s Hubble Space Telescope completing its 100,000th orbit in its 18th year of exploration and discovery, scientists at the Space Telescope Science Institute in Baltimore, Md., have aimed Hubble to take a snapshot of a dazzling region of celestial birth and renewal.

Hubble peered into a small portion of the nebula near the star cluster NGC 2074 (upper, left). The region is a firestorm of raw stellar creation, perhaps triggered by a nearby supernova explosion. It lies about 170,000 light-years away near the Tarantula nebula, one of the most active star-forming regions in our Local Group of galaxies.

The three-dimensional-looking image reveals dramatic ridges and valleys of dust, serpent-head &quot;pillars of creation,&quot; and gaseous filaments glowing fiercely under torrential ultraviolet radiation. The region is on the edge of a dark molecular cloud that is an incubator for the birth of new stars.

The high-energy radiation blazing out from clusters of hot young stars already born in NGC 2074 is sculpting the wall of the nebula by slowly eroding it away. Another young cluster may be hidden beneath a circle of brilliant blue gas at center, bottom.

In this approximately 100-light-year-wide fantasy-like landscape, dark towers of dust rise above a glowing wall of gases on the surface of the molecular cloud. The seahorse-shaped pillar at lower, right is approximately 20 light-years long, roughly four times the distance between our Sun and the nearest star, Alpha Centauri.

The region is in the Large Magellanic Cloud (LMC), a satellite of our Milky Way galaxy. It is a fascinating laboratory for observing star-formation regions and their evolution. Dwarf galaxies like the LMC are considered to be the primitive building blocks of larger galaxies.

This representative color image was taken on August 10, 2008, with Hubble&#39;s Wide Field Planetary Camera 2. Red shows emission from sulfur atoms, green from glowing hydrogen, and blue from glowing oxygen. Source: NASA.]]></media:description><media:price>$25.15</media:price><media:thumbnail url="http://rlv.zcache.com/turbulent_star_birth_region_selection_postage-recfb0022296442a1b598fc32faa0530d_xjs8n_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/turbulent_star_birth_region_selection_postage-recfb0022296442a1b598fc32faa0530d_xjs8n_8byvr_500.jpg" /><media:keywords><![CDATA[hubble, nasa, stars, star, galaxy, galaxies, space, astronomy, telescope, beautiful, postcard, postcards, photos, photograph, gift, gifts, nebula, nature, landscapes]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/turbulent_star_birth_region_selection_postcard-239185416537268522</guid><pubDate>Sun, 30 Nov 2008 23:02:05 GMT</pubDate><title><![CDATA[Turbulent Star-Birth Region Selection Postcard]]></title><link>http://www.zazzle.com/turbulent_star_birth_region_selection_postcard-239185416537268522</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[Turbulent Star-Birth Region Selection]]></media:title><media:description><![CDATA[In commemoration of NASA&#39;s Hubble Space Telescope completing its 100,000th orbit in its 18th year of exploration and discovery, scientists at the Space Telescope Science Institute in Baltimore, Md., have aimed Hubble to take a snapshot of a dazzling region of celestial birth and renewal.

Hubble peered into a small portion of the nebula near the star cluster NGC 2074 (upper, left). The region is a firestorm of raw stellar creation, perhaps triggered by a nearby supernova explosion. It lies about 170,000 light-years away near the Tarantula nebula, one of the most active star-forming regions in our Local Group of galaxies.

The three-dimensional-looking image reveals dramatic ridges and valleys of dust, serpent-head &quot;pillars of creation,&quot; and gaseous filaments glowing fiercely under torrential ultraviolet radiation. The region is on the edge of a dark molecular cloud that is an incubator for the birth of new stars.

The high-energy radiation blazing out from clusters of hot young stars already born in NGC 2074 is sculpting the wall of the nebula by slowly eroding it away. Another young cluster may be hidden beneath a circle of brilliant blue gas at center, bottom.

In this approximately 100-light-year-wide fantasy-like landscape, dark towers of dust rise above a glowing wall of gases on the surface of the molecular cloud. The seahorse-shaped pillar at lower, right is approximately 20 light-years long, roughly four times the distance between our Sun and the nearest star, Alpha Centauri.

The region is in the Large Magellanic Cloud (LMC), a satellite of our Milky Way galaxy. It is a fascinating laboratory for observing star-formation regions and their evolution. Dwarf galaxies like the LMC are considered to be the primitive building blocks of larger galaxies.

This representative color image was taken on August 10, 2008, with Hubble&#39;s Wide Field Planetary Camera 2. Red shows emission from sulfur atoms, green from glowing hydrogen, and blue from glowing oxygen. Source: NASA.]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/turbulent_star_birth_region_selection_postcard-r6881ca9a1e8744fd8fdf4f5e5fbefd0a_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/turbulent_star_birth_region_selection_postcard-r6881ca9a1e8744fd8fdf4f5e5fbefd0a_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[hubble, nasa, stars, star, galaxy, galaxies, space, astronomy, telescope, beautiful, postcard, postcards, photos, photograph, gift, gifts, nebula, nature, landscapes]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/turbulent_star_birth_region_selection_postcards-239182882453177407</guid><pubDate>Sun, 30 Nov 2008 23:02:05 GMT</pubDate><title><![CDATA[Turbulent Star-Birth Region Selection Postcards]]></title><link>http://www.zazzle.com/turbulent_star_birth_region_selection_postcards-239182882453177407</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[Turbulent Star-Birth Region Selection]]></media:title><media:description><![CDATA[In commemoration of NASA&#39;s Hubble Space Telescope completing its 100,000th orbit in its 18th year of exploration and discovery, scientists at the Space Telescope Science Institute in Baltimore, Md., have aimed Hubble to take a snapshot of a dazzling region of celestial birth and renewal.

Hubble peered into a small portion of the nebula near the star cluster NGC 2074 (upper, left). The region is a firestorm of raw stellar creation, perhaps triggered by a nearby supernova explosion. It lies about 170,000 light-years away near the Tarantula nebula, one of the most active star-forming regions in our Local Group of galaxies.

The three-dimensional-looking image reveals dramatic ridges and valleys of dust, serpent-head &quot;pillars of creation,&quot; and gaseous filaments glowing fiercely under torrential ultraviolet radiation. The region is on the edge of a dark molecular cloud that is an incubator for the birth of new stars.

The high-energy radiation blazing out from clusters of hot young stars already born in NGC 2074 is sculpting the wall of the nebula by slowly eroding it away. Another young cluster may be hidden beneath a circle of brilliant blue gas at center, bottom.

In this approximately 100-light-year-wide fantasy-like landscape, dark towers of dust rise above a glowing wall of gases on the surface of the molecular cloud. The seahorse-shaped pillar at lower, right is approximately 20 light-years long, roughly four times the distance between our Sun and the nearest star, Alpha Centauri.

The region is in the Large Magellanic Cloud (LMC), a satellite of our Milky Way galaxy. It is a fascinating laboratory for observing star-formation regions and their evolution. Dwarf galaxies like the LMC are considered to be the primitive building blocks of larger galaxies.

This representative color image was taken on August 10, 2008, with Hubble&#39;s Wide Field Planetary Camera 2. Red shows emission from sulfur atoms, green from glowing hydrogen, and blue from glowing oxygen. Source: NASA.]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/turbulent_star_birth_region_selection_postcards-r9e79db0f8b984313ba7802dc0b50ca24_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/turbulent_star_birth_region_selection_postcards-r9e79db0f8b984313ba7802dc0b50ca24_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[hubble, nasa, stars, star, galaxy, galaxies, space, astronomy, telescope, beautiful, postcard, postcards, photos, photograph, gift, gifts, nebula, nature, landscapes]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/messier_101_print-228877639092211892</guid><pubDate>Thu, 14 Aug 2008 01:27:00 GMT</pubDate><title><![CDATA[Messier 101 Print]]></title><link>http://www.zazzle.com/messier_101_print-228877639092211892</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$24.90</price><media:title><![CDATA[Messier 101 Print]]></media:title><media:description><![CDATA[Giant galaxies weren’t assembled in a day. Neither was this Hubble Space Telescope image of the face-on spiral galaxy Messier 101 (M101). It is the largest and most detailed photo of a spiral galaxy that has ever been released from Hubble. The galaxy’s portrait is actually composed of 51 individual exposures taken with Hubble&#39;s Advanced Camera for Surveys and the Wide Field and Planetary Camera 2 in March 1994, September 1994, June 1999, November 2002, and January 2003. The newly composed image also includes elements from images from ground-based photos. Courtesy: NASA]]></media:description><media:price>$24.90</media:price><media:thumbnail url="http://rlv.zcache.com/messier_101_print-rdf7e3312a262480c9c3c76fd6d5a7fa3_a66pl_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/messier_101_print-rdf7e3312a262480c9c3c76fd6d5a7fa3_a66pl_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, astronomy, prints, posters, galaxy, galaxies, stars, star, space, hubble, beautiful]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/messier_101_mouse_mats-144559245213276773</guid><pubDate>Thu, 14 Aug 2008 01:22:16 GMT</pubDate><title><![CDATA[Messier 101 mouse mats]]></title><link>http://www.zazzle.com/messier_101_mouse_mats-144559245213276773</link><author>Galactica</author><description><![CDATA[



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				<a href="http://www.zazzle.com/messier_101_mouse_mats-144559245213276773" id="page_zWidget37-title" class="gbb-productTitle" title="Messier 101 mouse mats">Messier 101 mouse mats</a>
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</div>]]></description><price>$13.95</price><media:title><![CDATA[Messier 101]]></media:title><media:description><![CDATA[Giant galaxies weren’t assembled in a day. Neither was this Hubble Space Telescope image of the face-on spiral galaxy Messier 101 (M101). It is the largest and most detailed photo of a spiral galaxy that has ever been released from Hubble. The galaxy’s portrait is actually composed of 51 individual exposures taken with Hubble&#39;s Advanced Camera for Surveys and the Wide Field and Planetary Camera 2 in March 1994, September 1994, June 1999, November 2002, and January 2003. The newly composed image also includes elements from images from ground-based photos. Courtesy: NASA]]></media:description><media:price>$13.95</media:price><media:thumbnail url="http://rlv.zcache.com/messier_101_mouse_mats-rad17d886d92f4f6c909b2712ca32bbde_x74vi_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/messier_101_mouse_mats-rad17d886d92f4f6c909b2712ca32bbde_x74vi_8byvr_500.jpg" /><media:keywords><![CDATA[astronomy, space, print, galaxy, galaxies, star, stars, nasa, mousepads, mouse, pad]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/the_veil_nebula_sgt_2_stamp-172347466351156193</guid><pubDate>Mon, 04 Feb 2008 07:52:28 GMT</pubDate><title><![CDATA[The Veil Nebula SGT 2 Stamp]]></title><link>http://www.zazzle.com/the_veil_nebula_sgt_2_stamp-172347466351156193</link><author>Galactica</author><description><![CDATA[



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				<a href="http://www.zazzle.com/the_veil_nebula_sgt_2_stamp-172347466351156193" id="page_zWidget38-title" class="gbb-productTitle" title="The Veil Nebula SGT 2 Stamp">The Veil Nebula SGT 2 Stamp</a>
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</div>]]></description><price>$25.15</price><media:title><![CDATA[The Veil Nebula SGT 2]]></media:title><media:description><![CDATA[This is a small portion of the Veil Nebula — the shattered remains of a supernova that exploded thousands of years ago. The entire structure spans about 3 degrees on the sky, corresponding to about 6 full moons. The image was taken with Hubble&#39;s Wide Field Planetary Camera 2 in November 1994 and August 1997. Source: NASA.]]></media:description><media:price>$25.15</media:price><media:thumbnail url="http://rlv.zcache.com/the_veil_nebula_sgt_2_stamp-r86f12ab3de62454f92a19565e11edbf7_xjs8p_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/the_veil_nebula_sgt_2_stamp-r86f12ab3de62454f92a19565e11edbf7_xjs8p_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, astronomy, prints, posters, galaxy, galaxies, stars, star, space, hubble, beautiful, cosmos, science, stamps, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/whirlpool_galaxy_m51_stamps-172101123724095079</guid><pubDate>Mon, 04 Feb 2008 07:39:41 GMT</pubDate><title><![CDATA[Whirlpool Galaxy M51 Stamps]]></title><link>http://www.zazzle.com/whirlpool_galaxy_m51_stamps-172101123724095079</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$25.15</price><media:title><![CDATA[Whirlpool Galaxy M51]]></media:title><media:description><![CDATA[The graceful, winding arms of the majestic spiral galaxy M51 (NGC 5194) appear like a grand spiral staircase sweeping through space. They are actually long lanes of stars and gas laced with dust. This sharpest-ever image of the Whirlpool Galaxy, taken in January 2005 with the Advanced Camera for Surveys aboard NASA&#39;s Hubble Space Telescope, illustrates a spiral galaxy&#39;s grand design, from its curving spiral arms, where young stars reside, to its yellowish central core, a home of older stars. The galaxy is nicknamed the Whirlpool because of its swirling structure. The Whirlpool&#39;s most striking feature is its two curving arms, a of so-called grand-design spiral galaxies. Many spiral galaxies possess numerous, loosely shaped arms which make their spiral structure less pronounced. These arms serve an important purpose in spiral galaxies. They are star-formation factories, compressing hydrogen gas and creating clusters of new stars. In the Whirlpool, the assembly line begins with the dark clouds of gas on the inner edge, then moves to bright pink star-forming regions, and ends with the brilliant blue star clusters along the outer edge. Some astronomers believe that the Whirlpool&#39;s arms are so prominent because of the effects of a close encounter with NGC 5195, the small, yellowish galaxy at the outermost tip of one of the Whirlpool&#39;s arms. At first glance, the compact galaxy appears to be tugging on the arm. Hubble&#39;s clear view, however, shows that NGC 5195 is passing behind the Whirlpool. The small galaxy has been gliding past the Whirlpool for hundreds of millions of years. As NGC 5195 drifts by, its gravitational muscle pumps up waves within the Whirlpool&#39;s pancake-shaped disk. The waves are like ripples in a pond generated when a rock is thrown in the water. When the waves pass through orbiting gas clouds within the disk, they squeeze the gaseous material along each arm&#39;s inner edge. The dark dusty material looks like gathering storm clouds. These dense clouds collapse, creating a wake of star birth, as seen in the bright pink star-forming regions. The largest stars eventually sweep away the dusty cocoons with a torrent of radiation, hurricane-like stellar winds, and shock waves from supernova blasts. Bright blue star clusters emerge from the mayhem, illuminating the Whirlpool&#39;s arms like city streetlights. The Whirlpool is one of astronomy&#39;s galactic darlings. Located 31 million light-years away in the constellation Canes Venatici (the Hunting Dogs), the Whirlpool&#39;s beautiful face-on view and closeness to Earth allow astronomers to study a classic spiral galaxy&#39;s structure and star-forming processes. Photograph and description courtesy NASA,]]></media:description><media:price>$25.15</media:price><media:thumbnail url="http://rlv.zcache.com/whirlpool_galaxy_m51_stamps-r9f6cec27caf8409fafcb5b274c655036_xjs8p_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/whirlpool_galaxy_m51_stamps-r9f6cec27caf8409fafcb5b274c655036_xjs8p_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, astronomy, stamp, stamps, postage, galaxy, galaxies, stars, star, space, hubble, beautiful, cosmos, science, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/the_carina_nebula_stamps-172372042697750344</guid><pubDate>Sun, 03 Feb 2008 19:32:42 GMT</pubDate><title><![CDATA[The Carina Nebula Stamps]]></title><link>http://www.zazzle.com/the_carina_nebula_stamps-172372042697750344</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$26.15</price><media:title><![CDATA[The Carina Nebula]]></media:title><media:description><![CDATA[In celebration of the 17th anniversary of the launch and deployment of NASA&#39;s Hubble Space Telescope, a team of astronomers is releasing one of the largest panoramic images ever taken with Hubble&#39;s cameras. It is a 50-light-year-wide view of the central region of the Carina Nebula where a maelstrom of star birth — and death — is taking place. This image is a mosaic of the Carina Nebula assembled from 48 frames taken with Hubble&#39;s Advanced Camera for Surveys. The Hubble images were taken in the light of neutral hydrogen during March and July 2005. Color information was added with data taken in December 2001 and March 2003 at the Cerro Tololo Inter-American Observatory in Chile. Red corresponds to sulfur, green to hydrogen, and blue to oxygen emission. Source: NASA]]></media:description><media:price>$26.15</media:price><media:thumbnail url="http://rlv.zcache.com/the_carina_nebula_stamps-r4e67614687d14b048882cadf0b7d7ea5_xjsw1_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/the_carina_nebula_stamps-r4e67614687d14b048882cadf0b7d7ea5_xjsw1_8byvr_500.jpg" /><media:keywords><![CDATA[astronomy, stamp, stamps, postage, space, galaxy, galaxies, posters, prints, print, hubble, telescope, gift, science, nasa, gifts, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/cassiopeia_stamps-172078171817853864</guid><pubDate>Sun, 03 Feb 2008 19:29:39 GMT</pubDate><title><![CDATA[Cassiopeia Stamps]]></title><link>http://www.zazzle.com/cassiopeia_stamps-172078171817853864</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$25.15</price><media:title><![CDATA[Cassiopeia]]></media:title><media:description><![CDATA[A new image taken with NASA&#39;s Hubble Space Telescope provides a detailed look at the tattered remains of a supernova explosion known as Cassiopeia A (Cas A). It is the youngest known remnant from a supernova explosion in the Milky Way. The new Hubble image shows the complex and intricate structure of the star&#39;s shattered fragments. The image is a composite made from 18 separate images taken in December 2004 using Hubble&#39;s Advanced Camera for Surveys. Source: NASA]]></media:description><media:price>$25.15</media:price><media:thumbnail url="http://rlv.zcache.com/cassiopeia_stamps-r0caf453cad8d4ec989deb44053e1a469_xjs8p_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/cassiopeia_stamps-r0caf453cad8d4ec989deb44053e1a469_xjs8p_8byvr_500.jpg" /><media:keywords><![CDATA[astronomy, stamp, stamps, postage, space, galaxy, galaxies, posters, prints, print, hubble, telescope, gift, science, nasa, gifts, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/pinwheel_galaxy_ngc_1309_post_cards-239291538636695849</guid><pubDate>Sun, 03 Feb 2008 18:10:40 GMT</pubDate><title><![CDATA[Pinwheel Galaxy NGC 1309 Post Cards]]></title><link>http://www.zazzle.com/pinwheel_galaxy_ngc_1309_post_cards-239291538636695849</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[Pinwheel Galaxy NGC 1309]]></media:title><media:description><![CDATA[This dramatic spiral galaxy is one of the latest viewed by NASA&#39;s Hubble Space Telescope. Stunning details of the face-on spiral galaxy, cataloged as NGC 1309, are captured in this color image. NGC 1309 was home to supernova SN 2002fk, whose light reached Earth in September 2002. NGC 1309 resides 100 million light-years (30 Megaparsecs) from Earth. It is one of about 200 galaxies that make up the Eridanus group of galaxies. Source; NASA.]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/pinwheel_galaxy_ngc_1309_post_cards-r2581c018d7a645f084cb7d894580a29d_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/pinwheel_galaxy_ngc_1309_post_cards-r2581c018d7a645f084cb7d894580a29d_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[astronomy, space, nasa, telescope, galaxy, galaxies, postcard, postcards, cards, hubble, gift, gifts, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/the_antennae_galaxies_post_card-239771982255478492</guid><pubDate>Sun, 03 Feb 2008 18:04:14 GMT</pubDate><title><![CDATA[The Antennae Galaxies Post Card]]></title><link>http://www.zazzle.com/the_antennae_galaxies_post_card-239771982255478492</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[The Antennae Galaxies]]></media:title><media:description><![CDATA[This new NASA Hubble Space Telescope image of the Antennae galaxies is the sharpest yet of this merging pair of galaxies. During the course of the collision, billions of stars will be formed. The brightest and most compact of these star birth regions are called super star clusters. The new image allows astronomers to better distinguish between the stars and super star clusters created in the collision of two spiral galaxies. Courtesy: Nasa.]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/the_antennae_galaxies_post_card-r073608e48592445f9038cf9aa498dbb9_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/the_antennae_galaxies_post_card-r073608e48592445f9038cf9aa498dbb9_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[space, astronomy, gift, gifts, galaxies, galaxy, hubble, nasa, postcard, postcards, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/veil_nebula_segment_2_post_cards-239692042110258297</guid><pubDate>Sat, 26 Jan 2008 18:44:08 GMT</pubDate><title><![CDATA[Veil Nebula - Segment 2 Post Cards]]></title><link>http://www.zazzle.com/veil_nebula_segment_2_post_cards-239692042110258297</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[Veil Nebula - Segment 2]]></media:title><media:description><![CDATA[This is a small portion of the Veil Nebula — the shattered remains of a supernova that exploded thousands of years ago. The entire structure spans about 3 degrees on the sky, corresponding to about 6 full moons. The image was taken with Hubble&#39;s Wide Field Planetary Camera 2 in November 1994 and August 1997. Source: NASA.]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/veil_nebula_segment_2_post_cards-r50392cae6d604af992abb59b022645c7_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/veil_nebula_segment_2_post_cards-r50392cae6d604af992abb59b022645c7_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[techie, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/nebula_ngc_6369_postcard-239354905005904638</guid><pubDate>Sat, 26 Jan 2008 18:40:47 GMT</pubDate><title><![CDATA[Nebula NGC 6369 Postcard]]></title><link>http://www.zazzle.com/nebula_ngc_6369_postcard-239354905005904638</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[Nebula NGC 6369]]></media:title><media:description><![CDATA[NASA&#39;s Hubble Space Telescope has caught a glimpse of a colorful cosmic ghost, the glowing remains of a dying star called NGC 6369. The glowing apparition is known to amateur astronomers as the &quot;Little Ghost Nebula,&quot; because it appears as a small, ghostly cloud surrounding the faint, dying central star.]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/nebula_ngc_6369_postcard-r5bf3a19eb7f14cf9819ba66a991c39db_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/nebula_ngc_6369_postcard-r5bf3a19eb7f14cf9819ba66a991c39db_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[hubble, nasa, stars, star, galaxy, galaxies, space, astronomy, telescope, beautiful, postcard, postcards, photos, photograph, gift, gifts, nebula, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/spiral_galaxy_m74_postcards-239293702753349775</guid><pubDate>Sat, 26 Jan 2008 18:35:01 GMT</pubDate><title><![CDATA[Spiral Galaxy M74 Postcards]]></title><link>http://www.zazzle.com/spiral_galaxy_m74_postcards-239293702753349775</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[Spiral Galaxy M74]]></media:title><media:description><![CDATA[Resembling festive lights on a holiday wreath, this NASA/ESA Hubble Space Telescope image of the nearby spiral galaxy M74 is an iconic reminder of the impending season. Bright knots of glowing gas light up the spiral arms, indicating a rich environment of star formation. M74 is located roughly 32 million light-years away in the direction of the constellation Pisces, the Fish. The image is a composite of Advanced Camera for Surveys data taken in 2003 and 2005. NASA,]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/spiral_galaxy_m74_postcards-r41be50cdbbfe483b9bd35ea8f761b2b1_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/spiral_galaxy_m74_postcards-r41be50cdbbfe483b9bd35ea8f761b2b1_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[hubble, nasa, stars, star, galaxy, galaxies, space, astronomy, telescope, beautiful, postcard, postcards, photos, photograph, gift, gifts, nebula, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/star_cluster_ngc_3603_post_cards-239315717229843041</guid><pubDate>Sat, 26 Jan 2008 18:32:12 GMT</pubDate><title><![CDATA[Star Cluster NGC 3603 Post Cards]]></title><link>http://www.zazzle.com/star_cluster_ngc_3603_post_cards-239315717229843041</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[Star Cluster NGC 3603]]></media:title><media:description><![CDATA[Thousands of sparkling young stars are nestled within the giant nebula NGC 3603. This stellar &quot;jewel box&quot; is one of the most massive young star clusters in the Milky Way Galaxy. NGC 3603 is a prominent star-forming region in the Carina spiral arm of the Milky Way, about 20,000 light-years away. This latest image from NASA&#39;s Hubble Space Telescope shows a young star cluster surrounded by a vast region of dust and gas. The image reveals stages in the life cycle of stars. Photograph courtesy: NASA.]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/star_cluster_ngc_3603_post_cards-r929d4412ab3848cab715734cf25f6b7d_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/star_cluster_ngc_3603_post_cards-r929d4412ab3848cab715734cf25f6b7d_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[hubble, nasa, stars, star, galaxy, galaxies, space, astronomy, telescope, beautiful, postcard, postcards, photos, photograph, gift, gifts, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/starburst_galaxy_m82_postcard-239718386473157030</guid><pubDate>Sat, 26 Jan 2008 01:58:08 GMT</pubDate><title><![CDATA[Starburst Galaxy M82 Postcard]]></title><link>http://www.zazzle.com/starburst_galaxy_m82_postcard-239718386473157030</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[Starburst Galaxy M82]]></media:title><media:description><![CDATA[To celebrate the Hubble Space Telescope&#39;s 16 years of success, the two space agencies involved in the project, NASA and the European Space Agency (ESA), are releasing this image of the magnificent starburst galaxy, Messier 82 (M82). This mosaic image is the sharpest wide-angle view ever obtained of M82. The galaxy is remarkable for its bright blue disk, webs of shredded clouds, and fiery-looking plumes of glowing hydrogen blasting out of its central regions. The observation was made in March 2006.  NASA.]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/starburst_galaxy_m82_postcard-r25b10885c7a84983b842e4448ed558f4_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/starburst_galaxy_m82_postcard-r25b10885c7a84983b842e4448ed558f4_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[galaxy, postcards, cards, astronomy, gift, gifts, beautiful, photographs, pictures, hubble, telescope, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/pleiades_star_cluster_post_cards-239029368172734509</guid><pubDate>Sat, 26 Jan 2008 01:42:22 GMT</pubDate><title><![CDATA[Pleiades Star Cluster Post Cards]]></title><link>http://www.zazzle.com/pleiades_star_cluster_post_cards-239029368172734509</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[Pleiades Star Cluster]]></media:title><media:description><![CDATA[Astronomers using NASA&#39;s Hubble Space Telescope have helped settle a mystery that has puzzled scientists concerning the exact distance to the famous nearby star cluster known as the Pleiades, or the Seven Sisters. The Pleiades cluster, named by the ancient Greeks, is easily seen as a small grouping of stars lying near the shoulder of Taurus, the Bull, in the winter sky. Although it might be expected that the distance to this well-studied cluster would be well established, there has been an ongoing controversy among astronomers about its distance for the past seven years. The mystery began in 1997, when the European Space Agency&#39;s satellite Hipparcos measured the distance to the Pleiades and found it is 10 percent closer to Earth than traditional estimates, which were based on comparing the Pleiades to nearby stars. If the Hipparcos measurements were correct, then the stars in the Pleiades are peculiar because they are fainter than Sun-like stars would be at that distance. This finding, if substantiated, would challenge our basic understanding of the structure of stars. But measurements made by the Hubble telescope&#39;s Fine Guidance Sensors show that the distance to the Pleiades is about 440 light-years from Earth, essentially the same as past distance estimates and differing from the Hipparcos results by more than 40 light-years. The Hubble results will be presented June 1 at the American Astronomical Society meeting in Denver, Colo. The new results agree with recent measurements made by astronomers at the California Institute of Technology and NASA&#39;s Jet Propulsion Laboratory, both in Pasadena, Calif. Those astronomers used interferometer measurements from Mt. Wilson and Palomar observatories in California, reporting that the star cluster is between 434 and 446 light-years from Earth. The discrepancy in the distance to the Pleiades is more than an arcane argument over details. Astronomers have only one direct means for gauging distances to stars, called the parallax method. With current telescopes, this method gives accurate results only for distances up to about 500 light-years. Distances beyond that limit must be determined by indirect methods, based on comparing the brightness of distant stars with those of nearer ones of the same type, and making the assumption that both objects have the same intrinsic, or true, brightness. Astronomers can thus build up a distance ladder, based on ever more-distant objects, ultimately leading to the use of supernovae as &quot;standard candles&quot; for the most distant reaches of the universe. &quot;Reliance on the accuracy of the measurements of nearby objects is crucial to getting the distance ladder of the universe correct,&quot; said David Soderblom of the Space Telescope Science Institute in Baltimore, Md., and lead astronomer on the Hubble study. &quot;The new Hubble result shows that the measurements made by Hipparcos contain a small, but significant, source of error that requires further exploration. New space missions are now being planned to carry out even more precise distance measurements out to greater distances.&quot; Soderblom and his team used Hubble&#39;s Fine Guidance Sensors to measure slight changes in the apparent positions of three stars within the cluster when viewed from different sides of Earth&#39;s orbit. Due to the motion of the Earth around the Sun, the position of a star in the Pleiades, will appear to shift relative to stars farther away. This effect, called parallax, can be used to calculate the distance to the star with simple geometry; a similar method of triangulation is used by surveyors to measure distances on Earth. Soderblom&#39;s team took its measurements six months apart over a 2 1/2-year period. Making these kinds of measurements of a star&#39;s movement is very difficult. The Fine Guidance Sensors are so precise that if the human eye had the same ability to measure small angles, it would be able to see a quarter 16,000 miles away. Hipparcos was the first space observatory to make precise measurements of the positions and motions of celestial objects. Before Hipparcos, astronomers determined the distances to stars like the Pleiades by measuring parallax with ground-based telescopes. Those observations were less precise because Earth&#39;s atmosphere distorts light from stars, limiting the telescopes&#39; resolution. Source: NASA]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/pleiades_star_cluster_post_cards-r6bd792db821f483299eeb94580a301a3_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/pleiades_star_cluster_post_cards-r6bd792db821f483299eeb94580a301a3_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[astronomy, space, galaxy, galaxies, cards, postcards, postcard, print, hubble, telescope, gift, science, nasa, gifts, stars, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/cassiopeia_post_cards-239601900438885609</guid><pubDate>Fri, 25 Jan 2008 22:44:41 GMT</pubDate><title><![CDATA[Cassiopeia Post Cards]]></title><link>http://www.zazzle.com/cassiopeia_post_cards-239601900438885609</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[Cassiopeia]]></media:title><media:description><![CDATA[A new image taken with NASA&#39;s Hubble Space Telescope provides a detailed look at the tattered remains of a supernova explosion known as Cassiopeia A (Cas A). It is the youngest known remnant from a supernova explosion in the Milky Way. The new Hubble image shows the complex and intricate structure of the star&#39;s shattered fragments. The image is a composite made from 18 separate images taken in December 2004 using Hubble&#39;s Advanced Camera for Surveys. Source: NASA]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/cassiopeia_post_cards-r313be3ec350c47dabd7f302603a3dbbf_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/cassiopeia_post_cards-r313be3ec350c47dabd7f302603a3dbbf_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[astronomy, postcard, postcards, space, galaxy, galaxies, posters, prints, print, hubble, elescope, gift, science, nasa, gifts, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/the_carina_nebula_post_cards-239116480049592393</guid><pubDate>Fri, 25 Jan 2008 22:41:54 GMT</pubDate><title><![CDATA[The Carina Nebula Post Cards]]></title><link>http://www.zazzle.com/the_carina_nebula_post_cards-239116480049592393</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$1.15</price><media:title><![CDATA[The Carina Nebula]]></media:title><media:description><![CDATA[In celebration of the 17th anniversary of the launch and deployment of NASA&#39;s Hubble Space Telescope, a team of astronomers is releasing one of the largest panoramic images ever taken with Hubble&#39;s cameras. It is a 50-light-year-wide view of the central region of the Carina Nebula where a maelstrom of star birth — and death — is taking place. This image is a mosaic of the Carina Nebula assembled from 48 frames taken with Hubble&#39;s Advanced Camera for Surveys. The Hubble images were taken in the light of neutral hydrogen during March and July 2005. Color information was added with data taken in December 2001 and March 2003 at the Cerro Tololo Inter-American Observatory in Chile. Red corresponds to sulfur, green to hydrogen, and blue to oxygen emission. Source: NASA]]></media:description><media:price>$1.15</media:price><media:thumbnail url="http://rlv.zcache.com/the_carina_nebula_post_cards-r1585436fa3324f1fbed22b1bbe8ccf92_vgbaq_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/the_carina_nebula_post_cards-r1585436fa3324f1fbed22b1bbe8ccf92_vgbaq_8byvr_500.jpg" /><media:keywords><![CDATA[astronomy, postcard, postcards, space, galaxy, galaxies, posters, prints, print, hubble, elescope, gift, science, nasa, gifts, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/spirit_territory_in_hills_print-228022325981085561</guid><pubDate>Thu, 24 Jan 2008 21:08:06 GMT</pubDate><title><![CDATA[Spirit Territory in Hills Print]]></title><link>http://www.zazzle.com/spirit_territory_in_hills_print-228022325981085561</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$22.15</price><media:title><![CDATA[Spirit Territory in Hills Print]]></media:title><media:description><![CDATA[NASA&#39;s Mars Exploration Rover Spirit is approaching an outcrop dubbed &quot;Methuselah,&quot; which scientists intend for the rover to examine in detail for several days before resuming an uphill climb. This false-color view is assembled from frames taken by Spirit&#39;s panoramic camera on the rover&#39;s 454th martian day, or sol (April 13, 2005). It shows a region in the &quot;Columbia Hills&quot; slightly downhill from the rover. The view features two interesting outcrops in the middle distance and &quot;Clark Hill&quot; in the left background. The outcrop on the right, with rover tracks leading from it, is &quot;Larry&#39;s Lookout.&quot; On the left is the Methuselah outcrop, with apparent layering. This view combines images taken through the camera&#39;s 750-nanometer, 530-nanometer and 430-nanometer filters. Source: NASA. Credit NASA and Cornel University]]></media:description><media:price>$22.15</media:price><media:thumbnail url="http://rlv.zcache.com/spirit_territory_in_hills_print-r4ca5f424357744f8aeccd898991235a2_aegm_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/spirit_territory_in_hills_print-r4ca5f424357744f8aeccd898991235a2_aegm_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, mars, rover, spirit, posters, prints, print, space, astronomy, planets, beautiful, photographs, photos, pictures, gift, gifts, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/spirits_west_valley_panorama_print-228574893822264903</guid><pubDate>Thu, 24 Jan 2008 20:38:40 GMT</pubDate><title><![CDATA[Spirit&#39;s West Valley Panorama Print]]></title><link>http://www.zazzle.com/spirits_west_valley_panorama_print-228574893822264903</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$18.45</price><media:title><![CDATA[Spirit's West Valley Panorama Print]]></media:title><media:description><![CDATA[NASA&#39;S Mars Exploration Rover Spirit captured this westward view from atop a low plateau where Sprit spent the closing months of 2007. 

After several months near the base of the plateau called &quot;Home Plate&quot; in the inner basin of the Columbia Hills range inside Gusev Crater, Spirit climbed onto the eastern edge of the plateau during the rover&#39;s 1,306th Martian day, or sol, (Sept. 5, 2007). It examined rocks and soils at several locations on the southern half of Home Plate during September and October. It was perched near the western edge of Home Plate when it used its panoramic camera (Pancam) to take the images used in this view on sols 1,366 through 1,369 (Nov. 6 through Nov. 9, 2007). With its daily solar-energy supply shrinking as Martian summer turned to fall, Spirit then drove to the northern edge of Home Plate for a favorable winter haven. The rover reached that northward-tilting site in December, in time for the fourth Earth-year anniversary of its landing on Mars. Spirit reached Mars on Jan. 4, 2004, Universal Time (Jan. 3, 2004, Pacific Standard Time). It landed at a site at about the center of the horizon in this image. 

This panorama covers a scene spanning left to right from southwest to northeast. The western edge of Home Plate is in the foreground, generally lighter in tone than the more distant parts of the scene. A rock-dotted hill in the middle distance across the left third of the image is &quot;Tsiolkovski Ridge,&quot; about 30 meters or 100 feet from the edge of Home Plate and about that same distance across. A bump on the horizon above the left edge of Tsiolkovski Ridge is &quot;Grissom Hill,&quot; about 8 kilometers or 5 miles away. At right, the highest point of the horizon is &quot;Husband Hill,&quot; to the north and about 800 meters or half a mile away. 

This view combines separate images taken through Pancam filters centered on wavelengths of 753 nanometers, 535 nanometers and 432 nanometers. It is presented in a false-color stretch to bring out subtle color differences in the scene. (False Color Image)Source: NASA. credit NASA and Cornel University.]]></media:description><media:price>$18.45</media:price><media:thumbnail url="http://rlv.zcache.com/spirits_west_valley_panorama_print-ra7374bd7a78b40b8b6c7f6e8841d4346_azmln_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/spirits_west_valley_panorama_print-ra7374bd7a78b40b8b6c7f6e8841d4346_azmln_8byvr_500.jpg" /><media:keywords><![CDATA[nasa, photograph, pictures, space, astronomy, mars, planets, beautiful, prints, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/colorful_demise_mouse_pads-144886340989209687</guid><pubDate>Fri, 18 Jan 2008 22:01:30 GMT</pubDate><title><![CDATA[Colorful Demise Mouse Pads]]></title><link>http://www.zazzle.com/colorful_demise_mouse_pads-144886340989209687</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$13.95</price><media:title><![CDATA[Colorful Demise]]></media:title><media:description><![CDATA[This NASA Hubble Space Telescope image shows the colorful &quot;last hurrah&quot; of a star like our Sun. The star is ending its life by casting off its outer layers of gas, which formed a cocoon around the star&#39;s remaining core. Ultraviolet light from the dying star then makes the material glow. The burned-out star, called a white dwarf, appears as a white dot in the center. Our Milky Way Galaxy is littered with these stellar relics, called planetary nebulae. Hubble&#39;s Wide Field Planetary Camera 2 captured this image of planetary nebula NGC 2440 on Feb. 6, 2007. Source: NASA.]]></media:description><media:price>$13.95</media:price><media:thumbnail url="http://rlv.zcache.com/colorful_demise_mouse_pads-rab3130ca700c47d39697018d759d47b0_x74vi_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/colorful_demise_mouse_pads-rab3130ca700c47d39697018d759d47b0_x74vi_8byvr_500.jpg" /><media:keywords><![CDATA[astronomy, space, hubble, nasa, gift, gifts, stars, star, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/ring_galaxy_am_0644_741_mouse_pads-144075615146395731</guid><pubDate>Fri, 18 Jan 2008 21:53:19 GMT</pubDate><title><![CDATA[Ring Galaxy AM 0644-741 Mouse Pads]]></title><link>http://www.zazzle.com/ring_galaxy_am_0644_741_mouse_pads-144075615146395731</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$13.95</price><media:title><![CDATA[Ring Galaxy AM 0644-741]]></media:title><media:description><![CDATA[Resembling a diamond-encrusted bracelet, a ring of brilliant blue star clusters wraps around the yellowish nucleus of what was once a normal spiral galaxy in this new image from NASA&#39;s Hubble Space Telescope (HST). This image is being released to commemorate the 14th anniversary of Hubble&#39;s launch on April 24, 1990 and its deployment from the space shuttle Discovery on April 25, 1990. The galaxy, cataloged as AM 0644-741, is a member of the class of so-called &quot;ring galaxies.&quot; It lies 300 million light-years away in the direction of the southern constellation Volans. Source: NASA.]]></media:description><media:price>$13.95</media:price><media:thumbnail url="http://rlv.zcache.com/ring_galaxy_am_0644_741_mouse_pads-ra1997f6355a5402e8d8d741ab4d86d84_x74vi_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/ring_galaxy_am_0644_741_mouse_pads-ra1997f6355a5402e8d8d741ab4d86d84_x74vi_8byvr_500.jpg" /><media:keywords><![CDATA[astronomy, space, nasa, gift, gifts, galaxy, galaxies, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/starburst_galaxy_m82_mouse_pads-144973115932177343</guid><pubDate>Fri, 18 Jan 2008 19:12:25 GMT</pubDate><title><![CDATA[Starburst Galaxy M82 Mouse Pads]]></title><link>http://www.zazzle.com/starburst_galaxy_m82_mouse_pads-144973115932177343</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$13.95</price><media:title><![CDATA[Starburst Galaxy M82]]></media:title><media:description><![CDATA[To celebrate the Hubble Space Telescope&#39;s 16 years of success, the two space agencies involved in the project, NASA and the European Space Agency (ESA), are releasing this image of the magnificent starburst galaxy, Messier 82 (M82). This mosaic image is the sharpest wide-angle view ever obtained of M82. The galaxy is remarkable for its bright blue disk, webs of shredded clouds, and fiery-looking plumes of glowing hydrogen blasting out of its central regions. The observation was made in March 2006.]]></media:description><media:price>$13.95</media:price><media:thumbnail url="http://rlv.zcache.com/starburst_galaxy_m82_mouse_pads-r93e7f0dc325242ffa6ab92982f0652f8_x74vi_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/starburst_galaxy_m82_mouse_pads-r93e7f0dc325242ffa6ab92982f0652f8_x74vi_8byvr_500.jpg" /><media:keywords><![CDATA[astronomy, space, galaxy, hubble, gifts, nasa, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/pinwheel_galaxy_ngc_1309_mouse_pads-144643027764576563</guid><pubDate>Fri, 18 Jan 2008 18:57:25 GMT</pubDate><title><![CDATA[Pinwheel Galaxy NGC 1309 Mouse Pads]]></title><link>http://www.zazzle.com/pinwheel_galaxy_ngc_1309_mouse_pads-144643027764576563</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$13.95</price><media:title><![CDATA[Pinwheel Galaxy NGC 1309]]></media:title><media:description><![CDATA[This dramatic spiral galaxy is one of the latest viewed by NASA&#39;s Hubble Space Telescope. Stunning details of the face-on spiral galaxy, cataloged as NGC 1309, are captured in this color image. NGC 1309 was home to supernova SN 2002fk, whose light reached Earth in September 2002. NGC 1309 resides 100 million light-years (30 Megaparsecs) from Earth. It is one of about 200 galaxies that make up the Eridanus group of galaxies.]]></media:description><media:price>$13.95</media:price><media:thumbnail url="http://rlv.zcache.com/pinwheel_galaxy_ngc_1309_mouse_pads-r95ad4524918f4396afd447be761e49d9_x74vi_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/pinwheel_galaxy_ngc_1309_mouse_pads-r95ad4524918f4396afd447be761e49d9_x74vi_8byvr_500.jpg" /><media:keywords><![CDATA[astronomy, space, galaxy, gift, gifts, hubble, nasa, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/the_antennae_galaxies_mouse_pads-144256445149430275</guid><pubDate>Fri, 18 Jan 2008 18:47:50 GMT</pubDate><title><![CDATA[The Antennae Galaxies Mouse Pads]]></title><link>http://www.zazzle.com/the_antennae_galaxies_mouse_pads-144256445149430275</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$13.95</price><media:title><![CDATA[The Antennae Galaxies]]></media:title><media:description><![CDATA[This new NASA Hubble Space Telescope image of the Antennae galaxies is the sharpest yet of this merging pair of galaxies. During the course of the collision, billions of stars will be formed. The brightest and most compact of these star birth regions are called super star clusters. The new image allows astronomers to better distinguish between the stars and super star clusters created in the collision of two spiral galaxies. Courtesy: Nasa.]]></media:description><media:price>$13.95</media:price><media:thumbnail url="http://rlv.zcache.com/the_antennae_galaxies_mouse_pads-r98ae8053d5ce4a549d0b64d78d7bd07e_x74vi_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/the_antennae_galaxies_mouse_pads-r98ae8053d5ce4a549d0b64d78d7bd07e_x74vi_8byvr_500.jpg" /><media:keywords><![CDATA[space, astronomy, gift, gifts, galaxies, galaxy, hubble, nasa, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>

<item><guid isPermaLink="false">http://www.zazzle.com/spiral_galaxy_m74_mouse_pads-144659675398195439</guid><pubDate>Fri, 18 Jan 2008 18:44:20 GMT</pubDate><title><![CDATA[Spiral Galaxy M74 Mouse Pads]]></title><link>http://www.zazzle.com/spiral_galaxy_m74_mouse_pads-144659675398195439</link><author>Galactica</author><description><![CDATA[



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</div>]]></description><price>$13.95</price><media:title><![CDATA[Spiral Galaxy M74]]></media:title><media:description><![CDATA[Resembling festive lights on a holiday wreath, this NASA/ESA Hubble Space Telescope image of the nearby spiral galaxy M74 is an iconic reminder of the impending season. Bright knots of glowing gas light up the spiral arms, indicating a rich environment of star formation. M74 is located roughly 32 million light-years away in the direction of the constellation Pisces, the Fish. The image is a composite of Advanced Camera for Surveys data taken in 2003 and 2005. NASA,]]></media:description><media:price>$13.95</media:price><media:thumbnail url="http://rlv.zcache.com/spiral_galaxy_m74_mouse_pads-rd5610f8de10a453199305a3e16dcff83_x74vi_8byvr_152.jpg" /><media:content url="http://rlv.zcache.com/spiral_galaxy_m74_mouse_pads-rd5610f8de10a453199305a3e16dcff83_x74vi_8byvr_500.jpg" /><media:keywords><![CDATA[techie, fantasy, science fiction]]></media:keywords><media:rating scheme="urn:mpaa">g</media:rating></item>
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