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<title>Hidden Universe HD: NASA's Spitzer Space Telescope</title>
<link>http://www.spitzer.caltech.edu/features/hd/index.shtml</link>
<description>Witness our universe in a whole new way! This video series (in 720p High Definition for Apple TV and hi-res monitors) highlights some of the most exciting discoveries from NASA's Spitzer Space Telescope. In-depth 'Showcase' features, striking 'Gallery Explorer' montages, and other whimsical specials take you beyond the visible to a universe of dust and stars hidden from Earth-bound eyes. Spitzer is the infrared component of the NASA Great Observatory program which also includes Hubble (visible), Chandra (x-ray), and Compton (gamma ray). For faster, iPod-compatible downloads search for the companion 'Hidden Universe' standard definition feed, also available on iTunes.</description>
<itunes:author>NASA's Spitzer Science Center / NASA / Caltech</itunes:author>
<itunes:subtitle>This video series (in 720p hi-def for Apple TV and hi-res monitors) highlights discoveries from NASA's Spitzer Space Telescope. For faster, iPod-compatible downloads search for the 'Hidden Universe' standard definition feed, also available on iTunes.</itunes:subtitle>
<itunes:summary>Witness our universe in a whole new way! This video series (in 720p High Definition for Apple TV and hi-res monitors) highlights some of the most exciting discoveries from NASA's Spitzer Space Telescope. In-depth 'Showcase' features, striking 'Gallery Explorer' montages, and other whimsical specials take you beyond the visible to a universe of dust and stars hidden from Earth-bound eyes. Spitzer is the infrared component of the NASA Great Observatory program which also includes Hubble (visible), Chandra (x-ray), and Compton (gamma ray). For faster, iPod-compatible downloads search for the companion 'Hidden Universe' standard definition feed, also available on iTunes.</itunes:summary>
<language>en-us</language>
<copyright>&#x2117; &amp; &#xA9; 2006 NASA.  Commercial use prohibited.  All other users must give proper credit.</copyright>
<itunes:owner>
<itunes:name>NASA/SSC-IPAC</itunes:name>
<itunes:email>outreach@ipac.caltech.edu</itunes:email>
</itunes:owner>
<itunes:explicit>no</itunes:explicit>
<itunes:keywords>astronomy, infrared, astronomer, science, physics, Spitzer Space Telescope, Hidden Universe, NASA, NASA's, HD, High-Definition, high definition, hi-def</itunes:keywords>

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<itunes:category text="Science &amp; Medicine">
<!-- iTunes Browse Podcasts Subcategory -->
<itunes:category text="Natural Sciences" />
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<!-- ASTRONOMY DOES NOT EXIST itunes:category text="Astronomy"/ -->
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<item>
<title>Gallery Explorer: Orion Nebula</title>
<description>Explore the dusty secrets of the Orion Nebula through Spitzer's infrared vision.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/HUHD_026_OrionNebula.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>Explore the dusty secrets of the Orion Nebula through Spitzer's infrared vision.</itunes:subtitle>
<itunes:summary>Explore the dusty secrets of the Orion Nebula through Spitzer's infrared vision.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/HUHD_026_OrionNebula.m4v" length="65678125" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/HUHD_026_OrionNebula.m4v</guid>
<pubDate>Thu, 18 Jun 2009 12:00:00 PDT</pubDate>
<itunes:duration>2:17</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, Orion Nebula, Star, Star Forming, Star Forming Region</itunes:keywords>
</item>

<item>
<title>Showcase: A Galaxy of a Different Color</title>
<description>To commemorate this International Year of Astronomy, three of NASA's flagship observatories have put a new spin on how we see the Pinwheel Galaxy!</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/HUHD_25_AGalaxyOfADifferentColor.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>To commemorate this International Year of Astronomy, three of NASA's flagship observatories have put a new spin on how we see the Pinwheel Galaxy!</itunes:subtitle>
<itunes:summary>To commemorate this International Year of Astronomy, three of NASA's flagship observatories have put a new spin on how we see the Pinwheel Galaxy!</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/HUHD_25_AGalaxyOfADifferentColor.m4v" length="191901945" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/HUHD_25_AGalaxyOfADifferentColor.m4v</guid>
<pubDate>Wed, 08 Apr 2009 17:00:00 PDT</pubDate>
<itunes:duration>6:23</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, Pinwheel Galaxy, M 101, M101, Messier 101</itunes:keywords>
</item>

<item>
<title>Gallery Explorer: The Omega Nebula</title>
<description>The Omega Nebula, or M17, is a star-forming region in the constellation of Sagittarius and is about 6,000 light years away.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/HUHD_024_TheOmegaNebula.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>The Omega Nebula, or M17, is a star-forming region in the constellation of Sagittarius and is about 6,000 light years away.</itunes:subtitle>
<itunes:summary>The Omega Nebula, or M17, is a star-forming region in the constellation of Sagittarius and is about 6,000 light years away.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/HUHD_024_TheOmegaNebula.m4v" length="52232933" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/HUHD_024_TheOmegaNebula.m4v.m4v</guid>
<pubDate>Mon, 02 Feb 2009 17:00:00 PDT</pubDate>
<itunes:duration>1:48</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, M17, M 17, The Omega Nebula, star forming, star-forming</itunes:keywords>
</item>

<item>
<title>Showcase: The W5 Stellar Blast Furnace</title>
<description>It’s a chaotic region, sculpted by the glare of one generation of massive stars that’s giving rise to the next.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/HUHD_23_TheW5StellarBlastFurnace.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>It’s a chaotic region, sculpted by the glare of one generation of massive stars that’s giving rise to the next.</itunes:subtitle>
<itunes:summary>It’s a chaotic region, sculpted by the glare of one generation of massive stars that’s giving rise to the next.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/HUHD_23_TheW5StellarBlastFurnace.m4v" length="184056324" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/HUHD_23_TheW5StellarBlastFurnace.m4v</guid>
<pubDate>Fri, 26 Dec 2008 22:00:00 PDT</pubDate>
<itunes:duration>6:07</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, W5</itunes:keywords>
</item>

<item>
<title>Showcase: The Milky Way Big Picture</title>
<description>Two and a half billion infrared pixels are exposing our own Galaxy in this new image from NASA's Spitzer Space Telescope!</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/HUHD_022_TheMilkyWayBigPicture.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>Two and a half billion infrared pixels are exposing our own Galaxy in this new image from NASA's Spitzer Space Telescope!</itunes:subtitle>
<itunes:summary>Two and a half billion infrared pixels are exposing our own Galaxy in this new image from NASA's Spitzer Space Telescope!</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/HUHD_022_TheMilkyWayBigPicture.m4v" length="162330577" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/HUHD_022_TheMilkyWayBigPicture.m4v</guid>
<pubDate>Thu, 30 Oct 2008 16:00:00 PDT</pubDate>
<itunes:duration>5:25</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, Galactic Center, MIPSGAL, GLIMPSE, Milkyway</itunes:keywords>
</item>

<item>
<title>Gallery Explorer: Snowflake Cluster</title>
<description>A group of baby stars form a "stellar snowflake" in Spitzer's observations of a dusty region near the Cone Nebula.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/HUHD_021_SnowflakeCluster.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>A group of baby stars form a "stellar snowflake" in Spitzer's observations of a dusty region near the Cone Nebula.</itunes:subtitle>
<itunes:summary>A group of baby stars form a "stellar snowflake" in Spitzer's observations of a dusty region near the Cone Nebula.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/HUHD_021_SnowflakeCluster.m4v" length="63692994" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/HUHD_021_SnowflakeCluster.m4v</guid>
<pubDate>Tue, 12 Aug 2008 14:00:00 PDT</pubDate>
<itunes:duration>1:56</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, Snowflake Cluster, Nebula, Star Formation Region</itunes:keywords>
</item>

<item>
<title>Showcase: Echoes of a Supernova</title>
<description>A supernova flash echoing through surrounding dust clouds has given astronomers a virtual time machine for studying the light from the explosion that nobody saw.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/HUHD_020_CasA.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>A supernova flash echoing through surrounding dust clouds has given astronomers a virtual time machine for studying the light from the explosion that nobody saw.</itunes:subtitle>
<itunes:summary>A supernova flash echoing through surrounding dust clouds has given astronomers a virtual time machine for studying the light from the explosion that nobody saw.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/HUHD_020_CasA.m4v" length="155286356" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/HUHD_020_CasA.m4v</guid>
<pubDate>Fri, 13 Jun 2008 15:30:00 PDT</pubDate>
<itunes:duration>5:12</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, Cas A, Cassiopeia A, supernova</itunes:keywords>
</item>

<item>
<title>Gallery Explorer: Protostellar Jets</title>
<description>Giant jets from baby stars blow colorful bubbles in interstellar space. Spitzer's infrared view reveals these structures in colorful ways never seen before.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/HUHD_019_ProtostellarJets.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>Giant jets from baby stars blow colorful bubbles in interstellar space. Spitzer's infrared view reveals these structures in colorful ways never seen before.</itunes:subtitle>
<itunes:summary>Giant jets from baby stars blow colorful bubbles in interstellar space. Spitzer's infrared view reveals these structures in colorful ways never seen before.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/HUHD_019_ProtostellarJets.m4v" length="61518543" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/HUHD_019_ProtostellarJets.m4v</guid>
<pubDate>Tue, 15 Apr 2008 16:00:00 PDT</pubDate>
<itunes:duration>2:10</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, image, protosetellar jets, Protostellar Jets, proto jets, Proto Jets</itunes:keywords>
</item>

<item>
<title>Promo: IRrelevant Astronomy</title>
<description>IRrelevant Astronomy takes a lighthearted, comedic look at the infrared Universe. Enjoy this peek at the Spitzer Space Telescope's newest video podcast series.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/HUHD_018_Promo.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>IRrelevant Astronomy takes a lighthearted, comedic look at the infrared Universe. Enjoy this peek at the Spitzer Space Telescope's newest video podcast series.</itunes:subtitle>
<itunes:summary>IRrelevant Astronomy takes a lighthearted, comedic look at the infrared Universe. Enjoy this peek at the Spitzer Space Telescope's newest video podcast series.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/HUHD_018_Promo.m4v" length="21652254" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/HUHD_018_Promo.m4v</guid>
<pubDate>Fri, 04 Apr 2008 16:00:00 PDT</pubDate>
<itunes:duration>0:37</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, astronomy, education</itunes:keywords>
</item>

<item>
<title>Gallery Explorer: Rho Ophiuchi Cloud</title>
<description>One of the most striking nearby star-forming regions is the Rho Ophiuchi Cloud. New images from Spitzer reveal its infrared wonders.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/HUHD_017_RhoOph.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>One of the most striking nearby star-forming regions is the Rho Ophiuchi Cloud. New images from Spitzer reveal its infrared wonders.</itunes:subtitle>
<itunes:summary>One of the most striking nearby star-forming regions is the Rho Ophiuchi Cloud. New images from Spitzer reveal its infrared wonders.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/HUHD_017_RhoOph.m4v" length="71605923" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/HUHD_017_RhoOph.m4v</guid>
<pubDate>Wed, 13 Feb 2008 15:00:00 PDT</pubDate>
<itunes:duration>2:32</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, image, stars, star formation, Rho Oph, Rho Ophiuchi, cloud</itunes:keywords>
</item>

<item>
<title>Showcase: The X-Planets</title>
<description>These two worlds have such extreme conditions they make even the wildest planets in our solar system seem mundane by comparison.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/Showcase4_XPlanets-HD.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>These two worlds have such extreme conditions they make even the wildest planets in our solar system seem mundane by comparison.</itunes:subtitle>
<itunes:summary>These two worlds have such extreme conditions they make even the wildest planets in our solar system seem mundane by comparison.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/Showcase4_XPlanets-HD.m4v" length="210827486" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/Showcase4_XPlanets-HD.m4v</guid>
<pubDate>Sat, 22 Dec 2007 12:00:00 PDT</pubDate>
<itunes:duration>6:09</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, image, planet, exoplanet</itunes:keywords>
</item>

<item>
<title>Gallery Explorer: Galaxies</title>
<description>Galaxies take on striking new colors and structures when viewed by the infrared eye of the Spitzer Space Telescope.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer5_Galaxies_HD.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>Galaxies take on striking new colors and structures when viewed by the infrared eye of the Spitzer Space Telescope.</itunes:subtitle>
<itunes:summary>Galaxies take on striking new colors and structures when viewed by the infrared eye of the Spitzer Space Telescope.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer5_Galaxies_HD.m4v" length="60213958" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer5_Galaxies_HD.m4v</guid>
<pubDate>Fri, 30 Nov 2007 16:00:00 PDT</pubDate>
<itunes:duration>1:53</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, image, galaxies</itunes:keywords>
</item>

<item>
<title>Showcase: Trilogy of Terror</title>
<description>For Halloween, a trilogy of spooky star-forming regions tell a haunting tale of the lives and deaths of stars.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/Showcase3_Halloween.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>For Halloween, a trilogy of spooky star-forming regions tell a haunting tale of the lives and deaths of stars.</itunes:subtitle>
<itunes:summary>For Halloween, a trilogy of spooky star-forming regions tell a haunting tale of the lives and deaths of stars.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/Showcase3_Halloween.m4v" length="166316633" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/Showcase3_Halloween.m4v</guid>
<pubDate>Tue, 30 Oct 2007 11:30:00 PDT</pubDate>
<itunes:duration>5:24</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, image, star formation, Halloween</itunes:keywords>
</item>

<item>
<title>Showcase: Mira, A Real Shooting Star</title>
<description>The star Mira has kept a stunning secret that scientists have only just discovered in the glow of ultraviolet light.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/Showcase2_Mira.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>The star Mira has kept a stunning secret that scientists have only just discovered in the glow of ultraviolet light.</itunes:subtitle>
<itunes:summary>The star Mira has kept a stunning secret that scientists have only just discovered in the glow of ultraviolet light.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/Showcase2_Mira.m4v" length="168562984" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/Showcase2_Mira.m4v</guid>
<pubDate>Tue, 02 Oct 2007 11:20:00 PDT</pubDate>
<itunes:duration>5:03</itunes:duration>
<itunes:keywords>NASA, GALEX, image, Mira</itunes:keywords>
</item>

<item>
<title>Gallery Explorer: Helix Nebula</title>
<description>The eerie Helix nebula, created from the outer layers of a dying star once like our own, reveals secrets to the Spitzer Space Telescope.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer4_Helix_HD.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>The eerie Helix nebula, created from the outer layers of a dying star once like our own, reveals secrets to the Spitzer Space Telescope.</itunes:subtitle>
<itunes:summary>The eerie Helix nebula, created from the outer layers of a dying star once like our own, reveals secrets to the Spitzer Space Telescope.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer4_Helix_HD.m4v" length="57069640" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer4_Helix_HD.m4v</guid>
<pubDate>Wed, 05 Sep 2007 09:30:00 PDT</pubDate>
<itunes:duration>1:56</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, Infrared, Infrared Astronomy, Helix Nebula, Gallery Explorer, image</itunes:keywords>
</item>

<item>
<title>Gallery Explorer: Eta Carinae</title>
<description>The beautiful Carina nebula, stretching 200 light years across space, has been shredded by ultraviolet radiation and winds from a behemoth of a star.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer3_EtaCar_HD.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>The beautiful Carina nebula, stretching 200 light years across space, has been shredded by ultraviolet radiation and winds from a behemoth of a star.</itunes:subtitle>
<itunes:summary>The beautiful Carina nebula, stretching 200 light years across space, has been shredded by ultraviolet radiation and winds from a behemoth of a star.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer3_EtaCar_HD.m4v" length="56905172" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer3_EtaCar_HD.m4v</guid>
<pubDate>Fri, 20 Jul 2007 15:30:00 PDT</pubDate>
<itunes:duration>1:56</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, Infrared, Infrared Astronomy, Eta Carina, Carinae Nebula, Gallery Explorer, image</itunes:keywords>
</item>

<item>
<title>Special: M51 and Gizmo</title>
<description>What makes the Earth livable? In this animated cartoon, innocent alien M51 moves the Earth into a closer orbit around the sun, and learns an important lesson about life in the Universe.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/HUSpecial_M51AndGizmo.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>What makes the Earth livable? In this animated cartoon, innocent alien M51 moves the Earth into a closer orbit around the sun, and learns an important lesson about life in the Universe.</itunes:subtitle>
<itunes:summary>What makes the Earth livable? In this animated cartoon, innocent alien M51 moves the Earth into a closer orbit around the sun, and learns an important lesson about life in the Universe.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/HUSpecial_M51AndGizmo.m4v" length="97215040" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/HUSpecial_M51AndGizmo.m4v</guid>
<pubDate>Tue, 26 Jun 2007 13:15:00 PDT</pubDate>
<itunes:duration>4:15</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, Infrared, Infrared Astronomy, astrobiology, habitable zone, cartoon, animated, animation, kid, kids, young adult, astronomy, astronomer, education, educational, comedy, funny, comic</itunes:keywords>
</item>

<item>
<title>Gallery Explorer: Galactic Center</title>
<description>The fantastic structures at the center of our Milky Way Galaxy, hidden from us in visible light, are revealed through infrared imagery.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer2_GC.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>The fantastic structures at the center of our Milky Way Galaxy, hidden from us in visible light, are revealed through infrared imagery.</itunes:subtitle>
<itunes:summary>The fantastic structures at the center of our Milky Way Galaxy, hidden from us in visible light, are revealed through infrared imagery.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer2_GC.m4v" length="75725614" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer2_GC.m4v</guid>
<pubDate>Wed, 30 May 2007 13:00:00 PDT</pubDate>
<itunes:duration>2:11</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, Infrared, Infrared Astronomy, Galactic Center, Gallery Explorer, image</itunes:keywords>
</item>

<item>
<title>Showcase: Andromeda, Beauty and the Beast</title>
<description>In Greek Mythology, the Princess Andromeda was sacrificed to appease a sea monster's appetite. But astronomers are learning that the Andromeda Galaxy is less the spiral beauty and more the voracious beast.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/Showcase1_Andromeda.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>In Greek Mythology, the Princess Andromeda was sacrificed to appease a sea monster's appetite. But astronomers are learning that the Andromeda Galaxy is less the spiral beauty and more the voracious beast.</itunes:subtitle>
<itunes:summary>In Greek Mythology, the Princess Andromeda was sacrificed to appease a sea monster's appetite. But astronomers are learning that the Andromeda Galaxy is less the spiral beauty and more the voracious beast.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/Showcase1_Andromeda.m4v" length="186956032" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/Showcase1_Andromeda.m4v</guid>
<pubDate>Mon, 14 May 2007 11:45:00 PDT</pubDate>
<itunes:duration>5:06</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, Andromeda Galaxy, image</itunes:keywords>
</item>

<item>
<title>Gallery Explorer: Large Magellanic Cloud</title>
<description>The new Hidden Universe HD Gallery Explorer takes a look at a nearby satellite galaxy of our own Milky Way.</description>
<link>http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer1_LMC.m4v</link>
<itunes:author>NASA's Spitzer Science Center</itunes:author>
<itunes:subtitle>The new Hidden Universe HD Gallery Explorer takes a look at a nearby satellite galaxy of our own Milky Way.</itunes:subtitle>
<itunes:summary>The new Hidden Universe HD Gallery Explorer takes a look at the a nearby satellite galaxy of our own Milky Way.</itunes:summary>
<enclosure url="http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer1_LMC.m4v" length="71174617" type="video/x-m4v" />
<guid>http://www.spitzer.caltech.edu/features/hd/files/GalleryExplorer1_LMC.m4v</guid>
<pubDate>Mon, 09 Apr 2007 14:30:00 PDT</pubDate>
<itunes:duration>1:57</itunes:duration>
<itunes:keywords>NASA, Spitzer Space Telescope, Large Magellanic Cloud, Gallery Explorer, image</itunes:keywords>
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