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    <title>Hidden Universe: NASA's Spitzer Space Telescope</title>
    <link>http://forum.odeo.com/channels/2102700-Hidden-Universe-NASA-s-Spitzer-Space-Telescope</link>
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    <description>This video series (formatted for standard definition portable players) showcases some of the most exciting discoveries in infrared astronomy from NASA's Spitzer Space Telescope. Looking beyond the visible spectrum of light, Spitzer can see a whole new universe of dust and stars hidden from our Earth-bound eyes. Spitzer is the infrared component of NASA's Great Observatories program, which also includes Hubble (visible), Chandra (x-ray), and Compton (gamma ray). This series is also available in high definition. For high-resolution viewing on your Apple TV or high-res monitor search for the companion 'Hidden Universe HD' feed, also available on iTunes.</description>
    <itunes:summary>This video series (formatted for standard definition portable players) showcases some of the most exciting discoveries in infrared astronomy from NASA's Spitzer Space Telescope. Looking beyond the visible spectrum of light, Spitzer can see a whole new universe of dust and stars hidden from our Earth-bound eyes. Spitzer is the infrared component of NASA's Great Observatories program, which also includes Hubble (visible), Chandra (x-ray), and Compton (gamma ray). This series is also available in high definition. For high-resolution viewing on your Apple TV or high-res monitor search for the companion 'Hidden Universe HD' feed, also available on iTunes.</itunes:summary>
    <itunes:subtitle>This video series (formatted for standard definition portable players) showcases some of the most exciting discoveries in infrared astronomy from NASA's Spitzer Space Telescope.</itunes:subtitle>
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    <ttl>40</ttl>
    <itunes:image href="http://www.spitzer.caltech.edu/features/hiddenuniverse/images/hidden_universe_300x300.jpg"/>
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    <pubDate>Thu, 03 Sep 2009 16:00:00 -0700</pubDate>
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    <itunes:keywords>Astronomy, astronomer, NASA's, Hidden Universe, Spitzer Space Telescope</itunes:keywords>
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    <category>Astronomy</category>
    <category>astronomer</category>
    <category>NASA's</category>
    <category>Hidden Universe</category>
    <category>Spitzer Space Telescope</category>
    <itunes:category text="Science &amp; Medicine">
      <itunes:category text="Natural Sciences"/>
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    <item>
      <title>Showcase: Cooking Up Cometary Crystals</title>
      <link>http://forum.odeo.com/episodes/25069191-Showcase-Cooking-Up-Cometary-Crystals</link>
      <description>The fading light of a flaring young star has shed light on a puzzle involving crystals and comets...</description>
      <itunes:subtitle>The fading light of a flaring young star has shed light on a puzzle involving crystals and comets...</itunes:subtitle>
      <itunes:summary>The fading light of a flaring young star has shed light on a puzzle involving crystals and comets...</itunes:summary>
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      <pubDate>Thu, 03 Sep 2009 16:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
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      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Gallery Explorer: Orion Nebula</title>
      <link>http://forum.odeo.com/episodes/24726863-Gallery-Explorer-Orion-Nebula</link>
      <description>Explore the dusty secrets of the Orion Nebula through Spitzer's infrared vision.</description>
      <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>
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      <pubDate>Thu, 18 Jun 2009 12:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/x-m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/HUSD_026_OrionNebula.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
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      <title>Showcase: A Galaxy of a Different Color</title>
      <link>http://forum.odeo.com/episodes/24428286-Showcase-A-Galaxy-of-a-Different-Color</link>
      <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>
      <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>
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      <pubDate>Wed, 08 Apr 2009 16:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/x-m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/HUSD_25_AGalaxyOfADifferentColor.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
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    <item>
      <title>Gallery Explorer: The Omega Nebula</title>
      <link>http://forum.odeo.com/episodes/24021852-Gallery-Explorer-The-Omega-Nebula</link>
      <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>
      <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>
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      <pubDate>Mon, 02 Feb 2009 16:00:00 -0800</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/x-m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/HUSD_024_TheOmegaNebula.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Showcase: The W5 Stellar Blast Furnace</title>
      <link>http://forum.odeo.com/episodes/23817162-Showcase-The-W5-Stellar-Blast-Furnace</link>
      <description>It&#8217;s a chaotic region, sculpted by the glare of one generation of massive stars that&#8217;s giving rise to the next.</description>
      <itunes:subtitle>It&#8217;s a chaotic region, sculpted by the glare of one generation of massive stars that&#8217;s giving rise to the next.</itunes:subtitle>
      <itunes:summary>It&#8217;s a chaotic region, sculpted by the glare of one generation of massive stars that&#8217;s giving rise to the next.</itunes:summary>
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      <pubDate>Fri, 26 Dec 2008 21:00:00 -0800</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/x-m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/HUSD_23_TheW5StellarBlastFurnace.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
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      <title>Showcase: The Milky Way Big Picture</title>
      <link>http://forum.odeo.com/episodes/23555505-Showcase-The-Milky-Way-Big-Picture</link>
      <description>Two and a half billion infrared pixels are exposing our own Galaxy in this new image from NASA's Spitzer Space Telescope!</description>
      <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>
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      <pubDate>Thu, 30 Oct 2008 15:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/x-m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/HUSD_022_TheMilkyWayBigPicture.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Gallery Explorer: Snowflake Cluster</title>
      <link>http://forum.odeo.com/episodes/23173562-Gallery-Explorer-Snowflake-Cluster</link>
      <description>A group of baby stars form a "stellar snowflake" in Spitzer's observations of a dusty region near the Cone Nebula.</description>
      <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>
      <guid isPermaLink="false">tag:odeo.com,2008-08-12,23173562</guid>
      <pubDate>Tue, 12 Aug 2008 14:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/x-m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/HUSD_021_SnowflakeCluster.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
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    <item>
      <title>Showcase: Echoes of a Supernova</title>
      <link>http://forum.odeo.com/episodes/22611574-Showcase-Echoes-of-a-Supernova</link>
      <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>
      <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>
      <guid isPermaLink="false">tag:odeo.com,2008-06-13,22611574</guid>
      <pubDate>Fri, 13 Jun 2008 15:30:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/x-m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/HUSD_020_CasA.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Gallery Explorer: Protostellar Jets</title>
      <link>http://forum.odeo.com/episodes/22429146-Gallery-Explorer-Protostellar-Jets</link>
      <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>
      <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>
      <guid isPermaLink="false">tag:odeo.com,2008-04-15,22429146</guid>
      <pubDate>Tue, 15 Apr 2008 15:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/HUSD_019_ProtostellarJets.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Promo: IRrelevant Astronomy</title>
      <link>http://forum.odeo.com/episodes/22231828-Promo-IRrelevant-Astronomy</link>
      <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>
      <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>
      <guid isPermaLink="false">tag:odeo.com,2008-04-04,22231828</guid>
      <pubDate>Fri, 04 Apr 2008 15:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hd/files/HUSD_018_Promo.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Promo: IRrelevant Astronomy</title>
      <link>http://forum.odeo.com/episodes/22233700-Promo-IRrelevant-Astronomy</link>
      <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>
      <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>
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      <pubDate>Fri, 04 Apr 2008 15:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/HUSD_018_Promo.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
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    <item>
      <title>Gallery Explorer: Rho Ophiuchi Cloud</title>
      <link>http://forum.odeo.com/episodes/22136431-Gallery-Explorer-Rho-Ophiuchi-Cloud</link>
      <description>One of the most striking nearby star-forming regions is the Rho Ophiuchi Cloud. New images from Spitzer reveal its infrared wonders.</description>
      <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>
      <guid isPermaLink="false">tag:odeo.com,2008-02-13,22136431</guid>
      <pubDate>Wed, 13 Feb 2008 14:00:00 -0800</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/HUSD_017_RhoOph.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Showcase: The X-Planets</title>
      <link>http://forum.odeo.com/episodes/22116868-Showcase-The-X-Planets</link>
      <description>These two worlds have such extreme conditions they make even the wildest planets in our solar system seem mundane by comparison.</description>
      <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>
      <guid isPermaLink="false">tag:odeo.com,2007-12-22,22116868</guid>
      <pubDate>Sat, 22 Dec 2007 11:00:00 -0800</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/016-showcase_xplanets.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Gallery Explorer: Galaxies</title>
      <link>http://forum.odeo.com/episodes/22116870-Gallery-Explorer-Galaxies</link>
      <description>Galaxies take on striking new colors and structures when viewed by the infrared eye of the Spitzer Space Telescope.</description>
      <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>
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      <pubDate>Fri, 30 Nov 2007 15:00:00 -0800</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/015-galleryexplorer5_galaxies.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Showcase: Trilogy of Terror</title>
      <link>http://forum.odeo.com/episodes/22116872-Showcase-Trilogy-of-Terror</link>
      <description>For Halloween, a trilogy of spooky star-forming regions tell a haunting tale of the lives and deaths of stars.</description>
      <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>
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      <pubDate>Tue, 30 Oct 2007 10:30:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/014-showcase_halloween.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Showcase: Mira, A Real Shooting Star</title>
      <link>http://forum.odeo.com/episodes/22116874-Showcase-Mira-A-Real-Shooting-Star</link>
      <description>The star Mira has kept a stunning secret that scientists have only just discovered in the glow of ultraviolet light.</description>
      <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>
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      <pubDate>Tue, 02 Oct 2007 11:15:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/013-showcase_mira.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Gallery Explorer: Helix Nebula</title>
      <link>http://forum.odeo.com/episodes/22116876-Gallery-Explorer-Helix-Nebula</link>
      <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>
      <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>
      <guid isPermaLink="false">tag:odeo.com,2007-09-05,22116876</guid>
      <pubDate>Wed, 05 Sep 2007 09:30:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/012-galleryexplorer4_helix.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Gallery Explorer: Eta Carinae</title>
      <link>http://forum.odeo.com/episodes/22116878-Gallery-Explorer-Eta-Carinae</link>
      <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>
      <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>
      <guid isPermaLink="false">tag:odeo.com,2007-07-20,22116878</guid>
      <pubDate>Fri, 20 Jul 2007 15:30:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/011-galleryexplorer3_etacar.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Special: M51 and Gizmo</title>
      <link>http://forum.odeo.com/episodes/22116880-Special-M51-and-Gizmo</link>
      <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>
      <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>
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      <pubDate>Thu, 28 Jun 2007 11:00:00 -0700</pubDate>
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      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/010-m51gizmo.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Gallery Explorer: Galactic Center</title>
      <link>http://forum.odeo.com/episodes/22116883-Gallery-Explorer-Galactic-Center</link>
      <description>The fantastic structures at the center of our Milky Way Galaxy, hidden from us in visible light, are revealed through infrared imagery.</description>
      <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>
      <guid isPermaLink="false">tag:odeo.com,2007-05-30,22116883</guid>
      <pubDate>Wed, 30 May 2007 13:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/009_galleryexplorer2_gc.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Showcase: Andromeda, Beauty and the Beast</title>
      <link>http://forum.odeo.com/episodes/22116885-Showcase-Andromeda-Beauty-and-the-Beast</link>
      <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>
      <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>
      <guid isPermaLink="false">tag:odeo.com,2007-05-14,22116885</guid>
      <pubDate>Mon, 14 May 2007 11:45:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/008_showcase_andromeda.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Gallery Explorer: Large Magellanic Cloud</title>
      <link>http://forum.odeo.com/episodes/22116887-Gallery-Explorer-Large-Magellanic-Cloud</link>
      <description>The Large Magellanic Cloud, a dwarf galaxy that orbits the Milky Way, is revealed in exquisite detail in this video from the Spitzer Space Telescope.</description>
      <itunes:subtitle>The Large Magellanic Cloud, a dwarf galaxy that orbits the Milky Way, is revealed in exquisite detail in this video from the Spitzer Space Telescope.</itunes:subtitle>
      <itunes:summary>The Large Magellanic Cloud, a dwarf galaxy that orbits the Milky Way, is revealed in exquisite detail in this video from the Spitzer Space Telescope.</itunes:summary>
      <guid isPermaLink="false">tag:odeo.com,2007-05-02,22116887</guid>
      <pubDate>Wed, 02 May 2007 17:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/007_galleryexplorer1_lmc.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Pillars of Destruction</title>
      <link>http://forum.odeo.com/episodes/22116889-Pillars-of-Destruction</link>
      <description>They're known as the Pillars of Creation, but according to recent Spitzer observations these ghostly apparitions have already met their own destruction!</description>
      <itunes:subtitle>They're known as the Pillars of Creation, but according to recent Spitzer observations these ghostly apparitions have already met their own destruction!</itunes:subtitle>
      <itunes:summary>They're known as the Pillars of Creation, but according to recent Spitzer observations these ghostly apparitions have already met their own destruction!</itunes:summary>
      <guid isPermaLink="false">tag:odeo.com,2007-01-30,22116889</guid>
      <pubDate>Tue, 30 Jan 2007 14:00:00 -0800</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/006_pillars.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Seeing the First Light</title>
      <link>http://forum.odeo.com/episodes/22116891-Seeing-the-First-Light</link>
      <description>Astronomers peering deeply into the cosmos think they have found something remarkable... the light from the first objects to form after the universe was born!</description>
      <itunes:subtitle>Astronomers peering deeply into the cosmos think they have found something remarkable... the light from the first objects to form after the universe was born!</itunes:subtitle>
      <itunes:summary>Astronomers peering deeply into the cosmos think they have found something remarkable... the light from the first objects to form after the universe was born!</itunes:summary>
      <guid isPermaLink="false">tag:odeo.com,2006-12-18,22116891</guid>
      <pubDate>Mon, 18 Dec 2006 10:00:00 -0800</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/005_firstlight.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Night and Day on an Alien World</title>
      <link>http://forum.odeo.com/episodes/22116893-Night-and-Day-on-an-Alien-World</link>
      <description>It's as clear as day and night&#8230; but on an exotic alien world! Astronomers have for the first time measured the temperatures varying across the surface of a planet beyond our solar system.</description>
      <itunes:subtitle>It's as clear as day and night&#8230; but on an exotic alien world! Astronomers have for the first time measured the temperatures varying across the surface of a planet beyond our solar system.</itunes:subtitle>
      <itunes:summary>It's as clear as day and night&#8230; but on an exotic alien world! Astronomers have for the first time measured the temperatures varying across the surface of a planet beyond our solar system.</itunes:summary>
      <guid isPermaLink="false">tag:odeo.com,2006-10-12,22116893</guid>
      <pubDate>Thu, 12 Oct 2006 11:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/004_daynightplanet.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>A Stellar Census of the Sword of Orion</title>
      <link>http://forum.odeo.com/episodes/22116895-A-Stellar-Census-of-the-Sword-of-Orion</link>
      <description>New images of the Orion Nebula show thousands of nascent solar systems.</description>
      <itunes:subtitle>New images of the Orion Nebula show thousands of nascent solar systems.</itunes:subtitle>
      <itunes:summary>New images of the Orion Nebula show thousands of nascent solar systems.</itunes:summary>
      <guid isPermaLink="false">tag:odeo.com,2006-08-14,22116895</guid>
      <pubDate>Mon, 14 Aug 2006 16:30:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/003_orion.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Exposing the Exploding Cigar Galaxy</title>
      <link>http://forum.odeo.com/episodes/22116897-Exposing-the-Exploding-Cigar-Galaxy</link>
      <description>M82 has been called an exploding galaxy, and three of NASA's Great Observatories have teamed up to show it like it's never been seen before.</description>
      <itunes:subtitle>M82 has been called an exploding galaxy, and three of NASA's Great Observatories have teamed up to show it like it's never been seen before.</itunes:subtitle>
      <itunes:summary>M82 has been called an exploding galaxy, and three of NASA's Great Observatories have teamed up to show it like it's never been seen before.</itunes:summary>
      <guid isPermaLink="false">tag:odeo.com,2006-06-16,22116897</guid>
      <pubDate>Fri, 16 Jun 2006 11:15:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/002_exposing_the_exploding_cigar_galaxy.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
    </item>
    <item>
      <title>Planetary Life After Death</title>
      <link>http://forum.odeo.com/episodes/22116899-Planetary-Life-After-Death</link>
      <description>Like a Phoenix rising from the ashes, astronomers have found that a whole new solar system may be forming in the wake of a star's violent death.</description>
      <itunes:subtitle>Like a Phoenix rising from the ashes, astronomers have found that a whole new solar system may be forming in the wake of a star's violent death.</itunes:subtitle>
      <itunes:summary>Like a Phoenix rising from the ashes, astronomers have found that a whole new solar system may be forming in the wake of a star's violent death.</itunes:summary>
      <guid isPermaLink="false">tag:odeo.com,2006-05-02,22116899</guid>
      <pubDate>Tue, 02 May 2006 15:00:00 -0700</pubDate>
      <itunes:explicit>no</itunes:explicit>
      <enclosure type="video/m4v" url="http://www.spitzer.caltech.edu/features/hiddenuniverse/files/001_planetary_life_after_death.m4v"/>
      <itunes:author>Hidden Universe: NASA's Spitzer Space Telescope</itunes:author>
      <category>Astronomy</category>
      <category>astronomer</category>
      <category>NASA's</category>
      <category>Hidden Universe</category>
      <category>Spitzer Space Telescope</category>
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