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    <title>Hidden Universe: NASA's Spitzer Space Telescope</title>
    <atom:link xmlns:atom="http://www.w3.org/2005/Atom" title="Hidden Universe: NASA's Spitzer Space Telescope" href="https://www.spitzer.caltech.edu/podcast/hidden-universe.xml"/>
    <link>https://www.spitzer.caltech.edu/podcast/hidden-universe.xml</link>
    <description>Witness our universe in a whole new way! This video series 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).</description>
    <language>en-us</language>
    <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
    <itunes:subtitle>Witness our universe in a whole new way! This video series 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).</itunes:subtitle>
    <itunes:summary>Witness our universe in a whole new way! This video series 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).</itunes:summary>
    <copyright>© 2010 NASA. Commercial use prohibited. All other users must give proper credit.</copyright>
    <itunes:keywords>astronomy, infrared, astronomer, science, physics, Spitzer Space Telescope, Hidden Universe, NASA, NASA's</itunes:keywords>
    <itunes:category text="Science &amp; Medicine">
      <itunes:category text="Natural Sciences"/>
    </itunes:category>
    <itunes:owner>
      <itunes:name>NASA / SSC-IPAC</itunes:name>
      <itunes:email>outreach@ipac.caltech.edu</itunes:email>
    </itunes:owner>
    <itunes:image href="https://www.spitzer.caltech.edu/system/podcasts/images/1/original/HiddenUniverseHD1400.jpg?1630346963"/>
    <itunes:explicit>clean</itunes:explicit>
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      <title>Homes Away From Home? Revisiting the Seven Planets of TRAPPIST-1</title>
      <description>One year ago, astronomers announced the discovery that seven roughly Earth-sized worlds orbited around the nearby star TRAPPIST-1. Now a year later, additional data have refined our understanding of these planets.We now know more about the TRAPPIST-1 system than any other solar system other than our own.</description>
      <itunes:subtitle>One year ago, astronomers announced the discovery that seven roughly Earth-sized worlds orbited around the nearby star TRAPPIST-1. Now a year later, additional data have refined our understanding of these planets.We now know more about the TRAPPIST-1 system than any other solar system other than our own.</itunes:subtitle>
      <itunes:summary>One year ago, astronomers announced the discovery that seven roughly Earth-sized worlds orbited around the nearby star TRAPPIST-1. Now a year later, additional data have refined our understanding of these planets.We now know more about the TRAPPIST-1 system than any other solar system other than our own.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Thu, 22 Feb 2018 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/ssc2018-06v1-homes-away-from-home-revisiting-the-seven-planets-of-trappist-1</link>
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      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1694/medium/ssc2018-06v1_Rec.jpg?1603842150"/>
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    <item>
      <title>Improving Brown Dwarf Weather Forecasts</title>
      <description>This artist's concept animation shows a brown dwarf with bands of clouds, thought to resemble those seen on Neptune and the other outer planets in the solar system.</description>
      <itunes:subtitle>This artist's concept animation shows a brown dwarf with bands of clouds, thought to resemble those seen on Neptune and the other outer planets in the solar system.</itunes:subtitle>
      <itunes:summary>This artist's concept animation shows a brown dwarf with bands of clouds, thought to resemble those seen on Neptune and the other outer planets in the solar system.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Thu, 17 Aug 2017 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/ssc2017-10v2-brown-dwarf-weather-annotated</link>
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      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1672/medium/ssc2017-10v2_Rec.jpg?1603842298"/>
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    <item>
      <title>5000 Days in the Life of an Astronomy Robot</title>
      <description>May 3rd, 2017 marks the 5,000th day of NASA's Spitzer Space Telescope mission. This video gives us a detailed look at six of these days, showing how an automated observatory like Spitzer, which is effectively an astronomy robot, spends its time. It’s overall mission design allows for an unprecedented degree of efficiency, allowing it to study the full range of astronomical phenomena including nearby objects in the solar system, stars in our galaxy, and galaxies out to the edge of the observable universe.</description>
      <itunes:subtitle>May 3rd, 2017 marks the 5,000th day of NASA's Spitzer Space Telescope mission. This video gives us a detailed look at six of these days, showing how an automated observatory like Spitzer, which is effectively an astronomy robot, spends its time. It’s overall mission design allows for an unprecedented degree of efficiency, allowing it to study the full range of astronomical phenomena including nearby objects in the solar system, stars in our galaxy, and galaxies out to the edge of the observable universe.</itunes:subtitle>
      <itunes:summary>May 3rd, 2017 marks the 5,000th day of NASA's Spitzer Space Telescope mission. This video gives us a detailed look at six of these days, showing how an automated observatory like Spitzer, which is effectively an astronomy robot, spends its time. It’s overall mission design allows for an unprecedented degree of efficiency, allowing it to study the full range of astronomical phenomena including nearby objects in the solar system, stars in our galaxy, and galaxies out to the edge of the observable universe.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Wed, 03 May 2017 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/ssc2017-04v1-5000-days-in-the-life-of-an-astronomy-robot</link>
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      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1662/medium/ssc2017-04v1_Rec.jpg?1603841523"/>
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    <item>
      <title>Spitzer Beyond</title>
      <description>NASA's Spitzer Space Telescope, which launched Aug. 25, 2003, will begin an extended mission—the “Beyond” phase—on Oct. 1, 2016.</description>
      <itunes:subtitle>NASA's Spitzer Space Telescope, which launched Aug. 25, 2003, will begin an extended mission—the “Beyond” phase—on Oct. 1, 2016.</itunes:subtitle>
      <itunes:summary>NASA's Spitzer Space Telescope, which launched Aug. 25, 2003, will begin an extended mission—the “Beyond” phase—on Oct. 1, 2016.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Fri, 26 Aug 2016 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/feature16-13v1-spitzer-beyond</link>
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      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1623/medium/feature16-13v1_Rec.jpg?1603842370"/>
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    <item>
      <title>The Wild Temperature Swings of an Exoplanet</title>
      <description>The exoplanet HD80606 b spends most of its time far from its star, but every 111 days it swings in feverishly close. NASA's Spitzer Space Telescope measured the planet's extreme temperature swings using infrared light. This allowed astronomers to simulate its atmosphere.</description>
      <itunes:subtitle>The exoplanet HD80606 b spends most of its time far from its star, but every 111 days it swings in feverishly close. NASA's Spitzer Space Telescope measured the planet's extreme temperature swings using infrared light. This allowed astronomers to simulate its atmosphere.</itunes:subtitle>
      <itunes:summary>The exoplanet HD80606 b spends most of its time far from its star, but every 111 days it swings in feverishly close. NASA's Spitzer Space Telescope measured the planet's extreme temperature swings using infrared light. This allowed astronomers to simulate its atmosphere.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Mon, 28 Mar 2016 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/sig16-007v1-the-wild-temperature-swings-of-an-exoplanet</link>
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      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1606/medium/sig16-007v1_Rec.jpg?1603842211"/>
    </item>
    <item>
      <title>Catching a GLIMPSE of the Milky Way</title>
      <description>Welcome home! This is our Milky Way galaxy as you’ve never seen it before. Ten years in the making, this is the clearest infrared panorama of our galactic home ever made, courtesy of NASA's Spitzer Space Telescope.</description>
      <itunes:subtitle>Welcome home! This is our Milky Way galaxy as you’ve never seen it before. Ten years in the making, this is the clearest infrared panorama of our galactic home ever made, courtesy of NASA's Spitzer Space Telescope.</itunes:subtitle>
      <itunes:summary>Welcome home! This is our Milky Way galaxy as you’ve never seen it before. Ten years in the making, this is the clearest infrared panorama of our galactic home ever made, courtesy of NASA's Spitzer Space Telescope.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Thu, 20 Mar 2014 05:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse-040-catching-a-glimpse-of-the-milky-way</link>
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      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1444/HU_GLIMPSE360_1080.m4v?1603841499" type="video/mp4" length="207799751"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1444/medium/hu_40_Rec.jpg?1603841496"/>
    </item>
    <item>
      <title>10 Years of Innovation</title>
      <description>On August 25, 2003, NASA launched the Spitzer Space Telescope to reveal secrets of the infrared universe.</description>
      <itunes:subtitle>On August 25, 2003, NASA launched the Spitzer Space Telescope to reveal secrets of the infrared universe.</itunes:subtitle>
      <itunes:summary>On August 25, 2003, NASA launched the Spitzer Space Telescope to reveal secrets of the infrared universe.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Fri, 23 Aug 2013 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse-039-10-years-of-innovation</link>
      <guid isPermaLink="false">hiddenuniverse-039-10-years-of-innovation</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1430/huhd39.m4v?1603842051" type="video/mp4" length="163255138"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1430/medium/HU39_Rec.jpg?1603842049"/>
    </item>
    <item>
      <title>Possible Nearby Exoplanet Smaller than Earth (Update)</title>
      <description>Astronomers using NASA's Spitzer Space Telescope have detected what they believe is an alien world just two-thirds the size of Earth - one of the smallest on record!</description>
      <itunes:subtitle>Astronomers using NASA's Spitzer Space Telescope have detected what they believe is an alien world just two-thirds the size of Earth - one of the smallest on record!</itunes:subtitle>
      <itunes:summary>Astronomers using NASA's Spitzer Space Telescope have detected what they believe is an alien world just two-thirds the size of Earth - one of the smallest on record!</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Tue, 07 Aug 2012 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse-038-possible-nearby-exoplanet-smaller-than-earth-update</link>
      <guid isPermaLink="false">hiddenuniverse-038-possible-nearby-exoplanet-smaller-than-earth-update</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1412/HUHD38.m4v?1603841547" type="video/mp4" length="70894980"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1412/medium/HU38rect.jpg?1603841546"/>
    </item>
    <item>
      <title>Cygnus X Marks the Spot (Gallery Explorer)</title>
      <description>Over the last half century this Cygnus X has been yielding its secrets to the scrutiny of infrared observations. NASA’s Spitzer Space Telescope has now provided the best view yet of what we now know is one of the largest single areas of star formation in our Milky Way galaxy.</description>
      <itunes:subtitle>Over the last half century this Cygnus X has been yielding its secrets to the scrutiny of infrared observations. NASA’s Spitzer Space Telescope has now provided the best view yet of what we now know is one of the largest single areas of star formation in our Milky Way galaxy.</itunes:subtitle>
      <itunes:summary>Over the last half century this Cygnus X has been yielding its secrets to the scrutiny of infrared observations. NASA’s Spitzer Space Telescope has now provided the best view yet of what we now know is one of the largest single areas of star formation in our Milky Way galaxy.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Mon, 21 May 2012 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse-037-cygnus-x-marks-the-spot-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse-037-cygnus-x-marks-the-spot-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1401/HUHD37.m4v?1603841249" type="video/mp4" length="108116587"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1401/medium/HU37_Rec.jpg?1603841246"/>
    </item>
    <item>
      <title>The Galactic Center Revisited (Hidden Universe Gallery Explorer)</title>
      <description>Hiding behind the constellations Sagittarius and Scorpius is the center of our own Milky Way galaxy, over 25,000 light years away. This patch of sky is mostly dark in visible light, shrouded by dust clouds that lie between us and the Galactic center. But the infrared vision of NASA’s Spitzer Space Telescope sees through the dust showing us this strange and tumultuous region.</description>
      <itunes:subtitle>Hiding behind the constellations Sagittarius and Scorpius is the center of our own Milky Way galaxy, over 25,000 light years away. This patch of sky is mostly dark in visible light, shrouded by dust clouds that lie between us and the Galactic center. But the infrared vision of NASA’s Spitzer Space Telescope sees through the dust showing us this strange and tumultuous region.</itunes:subtitle>
      <itunes:summary>Hiding behind the constellations Sagittarius and Scorpius is the center of our own Milky Way galaxy, over 25,000 light years away. This patch of sky is mostly dark in visible light, shrouded by dust clouds that lie between us and the Galactic center. But the infrared vision of NASA’s Spitzer Space Telescope sees through the dust showing us this strange and tumultuous region.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Tue, 23 Aug 2011 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse-036-the-galactic-center-revisited-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse-036-the-galactic-center-revisited-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1390/HUHD36.m4v?1603841922" type="video/mp4" length="97188664"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1390/medium/hiddenuniverse-036-Rec.jpg?1603841920"/>
    </item>
    <item>
      <title>The North America Nebula (Gallery Explorer)</title>
      <description>Seen here in visible light, the North America Nebula strangely resembles its namesake continent. Expanding our view to include infrared light, the dark dust lanes and concealed stars glow in red colors while the continental gas clouds shift to an ocean-­‐like blue. Pushing entirely into the infrared spectrum, we see even more detail in the convoluted dust clouds.</description>
      <itunes:subtitle>Seen here in visible light, the North America Nebula strangely resembles its namesake continent. Expanding our view to include infrared light, the dark dust lanes and concealed stars glow in red colors while the continental gas clouds shift to an ocean-­‐like blue. Pushing entirely into the infrared spectrum, we see even more detail in the convoluted dust clouds.</itunes:subtitle>
      <itunes:summary>Seen here in visible light, the North America Nebula strangely resembles its namesake continent. Expanding our view to include infrared light, the dark dust lanes and concealed stars glow in red colors while the continental gas clouds shift to an ocean-­‐like blue. Pushing entirely into the infrared spectrum, we see even more detail in the convoluted dust clouds.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Thu, 10 Feb 2011 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse-035-the-north-america-nebula-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse-035-the-north-america-nebula-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1377/HUHD35.m4v?1603842256" type="video/mp4" length="61312922"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1377/medium/HU35-rec.jpg?1603842255"/>
    </item>
    <item>
      <title>The Art of Exoplanets</title>
      <description>While astronomers have identified over 500 planets around other stars, they’re all too small and distant to fill even a single pixel in our most powerful telescopes. That’s why science must rely on art to help us imagine these strange new worlds.</description>
      <itunes:subtitle>While astronomers have identified over 500 planets around other stars, they’re all too small and distant to fill even a single pixel in our most powerful telescopes. That’s why science must rely on art to help us imagine these strange new worlds.</itunes:subtitle>
      <itunes:summary>While astronomers have identified over 500 planets around other stars, they’re all too small and distant to fill even a single pixel in our most powerful telescopes. That’s why science must rely on art to help us imagine these strange new worlds.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Thu, 23 Dec 2010 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse-034-the-art-of-exoplanets</link>
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      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1365/HUHD34.m4v?1603842174" type="video/mp4" length="96580349"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1365/medium/HU34-rect-tn.jpg?1603842173"/>
    </item>
    <item>
      <title>The Great Observatories Origins Deep Survey (GOODS)</title>
      <description>Today's telescopes study the sky across the electromagnetic spectrum. Each part of the spectrum tells us different things about the Universe, giving us more pieces of the cosmic jigsaw puzzle. The most powerful telescopes on the ground and in space have joined forces over the last decade in a unique observing campaign, known as the Great Observatories Origins Deep Survey, or GOODS, which reaches across the spectrum and deep back into cosmic time.</description>
      <itunes:subtitle>Today's telescopes study the sky across the electromagnetic spectrum. Each part of the spectrum tells us different things about the Universe, giving us more pieces of the cosmic jigsaw puzzle. The most powerful telescopes on the ground and in space have joined forces over the last decade in a unique observing campaign, known as the Great Observatories Origins Deep Survey, or GOODS, which reaches across the spectrum and deep back into cosmic time.</itunes:subtitle>
      <itunes:summary>Today's telescopes study the sky across the electromagnetic spectrum. Each part of the spectrum tells us different things about the Universe, giving us more pieces of the cosmic jigsaw puzzle. The most powerful telescopes on the ground and in space have joined forces over the last decade in a unique observing campaign, known as the Great Observatories Origins Deep Survey, or GOODS, which reaches across the spectrum and deep back into cosmic time.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Thu, 07 Oct 2010 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse-033-the-great-observatories-origins-deep-survey-special</link>
      <guid isPermaLink="false">hiddenuniverse-033-the-great-observatories-origins-deep-survey-special</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1347/HUHD33_h264_hd.m4v?1603841477" type="video/mp4" length="300363621"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1347/medium/HU33-Rec.jpg?1603841474"/>
    </item>
    <item>
      <title>The Dragon and the Swan (Hidden Universe Gallery Explorer)</title>
      <description>Hidden behind a dark veil of dust in the constellation Sagittarius, a lurking dragon has been revealed by the infrared eye of NASA’s Spitzer Space Telescope. It gives us a glimpse into how spiral arms affect the formation of stars.</description>
      <itunes:subtitle>Hidden behind a dark veil of dust in the constellation Sagittarius, a lurking dragon has been revealed by the infrared eye of NASA’s Spitzer Space Telescope. It gives us a glimpse into how spiral arms affect the formation of stars.</itunes:subtitle>
      <itunes:summary>Hidden behind a dark veil of dust in the constellation Sagittarius, a lurking dragon has been revealed by the infrared eye of NASA’s Spitzer Space Telescope. It gives us a glimpse into how spiral arms affect the formation of stars.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Fri, 09 Jul 2010 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse-032-the-dragon-and-the-swan-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse-032-the-dragon-and-the-swan-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1312/HUHD_32_DragonSwan.m4v?1603841266" type="video/mp4" length="78948426"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1312/medium/HU32-rect.jpg?1603841265"/>
    </item>
    <item>
      <title>When Worlds Collide (Showcase)</title>
      <description>When worlds collide, the result is spectacular, and astronomers think they’ve detected the aftermath of such an event around another star.</description>
      <itunes:subtitle>When worlds collide, the result is spectacular, and astronomers think they’ve detected the aftermath of such an event around another star.</itunes:subtitle>
      <itunes:summary>When worlds collide, the result is spectacular, and astronomers think they’ve detected the aftermath of such an event around another star.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Tue, 01 Jun 2010 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse-031-when-worlds-collide-showcase</link>
      <guid isPermaLink="false">hiddenuniverse-031-when-worlds-collide-showcase</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1302/HUHD31.m4v?1603842338" type="video/mp4" length="160923251"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1302/medium/HU31-web-rect.jpg?1603842336"/>
    </item>
    <item>
      <title>The WISE Sky (Gallery Explorer)</title>
      <description>In December of 2009, NASA launched its latest infrared telescope, the Wide-field Infrared Survey Explorer. This satellite, also known as WISE, is on a mission to map the entire sky in infrared light. </description>
      <itunes:subtitle>In December of 2009, NASA launched its latest infrared telescope, the Wide-field Infrared Survey Explorer. This satellite, also known as WISE, is on a mission to map the entire sky in infrared light. </itunes:subtitle>
      <itunes:summary>In December of 2009, NASA launched its latest infrared telescope, the Wide-field Infrared Survey Explorer. This satellite, also known as WISE, is on a mission to map the entire sky in infrared light. </itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Fri, 19 Mar 2010 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse-030-the-wise-sky-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse-030-the-wise-sky-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1059/HUHD_030_TheWiseSky.m4v?1603841725" type="video/mp4" length="80269553"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1059/medium/HU-WISE-tn.jpg?1603841723"/>
    </item>
    <item>
      <title>The Many Views of the Milky Way (Gallery Explorer)</title>
      <description>In May of 2009, the European Space Agency successfully launched the Herschel Space Observatory, a new eye for the infrared universe. Its 3.5 meter mirror lets us see into the far infrared spectrum with unprecedented clarity.</description>
      <itunes:subtitle>In May of 2009, the European Space Agency successfully launched the Herschel Space Observatory, a new eye for the infrared universe. Its 3.5 meter mirror lets us see into the far infrared spectrum with unprecedented clarity.</itunes:subtitle>
      <itunes:summary>In May of 2009, the European Space Agency successfully launched the Herschel Space Observatory, a new eye for the infrared universe. Its 3.5 meter mirror lets us see into the far infrared spectrum with unprecedented clarity.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Fri, 05 Feb 2010 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse029-the-many-views-of-the-milky-way-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse029-the-many-views-of-the-milky-way-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1041/HUHD_029_MilkyWay.m4v?1603841305" type="video/mp4" length="84024369"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1041/medium/HU-Herschel-tn.jpg?1603841303"/>
    </item>
    <item>
      <title>The One Ring of Saturn (Showcase)</title>
      <description>Astronomers have found One Ring to rule them all, not in the land of Mordor, but around Saturn, the Lord of the Rings of the solar system.</description>
      <itunes:subtitle>Astronomers have found One Ring to rule them all, not in the land of Mordor, but around Saturn, the Lord of the Rings of the solar system.</itunes:subtitle>
      <itunes:summary>Astronomers have found One Ring to rule them all, not in the land of Mordor, but around Saturn, the Lord of the Rings of the solar system.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Wed, 25 Nov 2009 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse028-the-one-ring-of-saturn-showcase</link>
      <guid isPermaLink="false">hiddenuniverse028-the-one-ring-of-saturn-showcase</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/1008/HUHD_028-Saturn.m4v?1603842003" type="video/mp4" length="159752359"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/1008/medium/HU-Saturn-tn.jpg?1603842001"/>
    </item>
    <item>
      <title>Cooking Up Cometary Crystals (Hidden Universe)</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Thu, 03 Sep 2009 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse027-cooking-up-cometary-crystals-showcase</link>
      <guid isPermaLink="false">hiddenuniverse027-cooking-up-cometary-crystals-showcase</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/960/HUHD_027_EX_Lupi_Crystals.m4v?1603841736" type="video/mp4" length="156551548"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/960/medium/HU-Crystals-tn.jpg?1603841734"/>
    </item>
    <item>
      <title>Orion Nebula (Gallery Explorer)</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Thu, 18 Jun 2009 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse026-orion-nebula-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse026-orion-nebula-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/381/HUHD_026_OrionNebula.m4v?1603842185" type="video/mp4" length="65678125"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/381/medium/HUHD_026_OrionNebula.jpg?1603842184"/>
    </item>
    <item>
      <title>A Galaxy of a Different Color (Showcase)</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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Wed, 08 Apr 2009 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse025-a-galaxy-of-a-different-color-showcase</link>
      <guid isPermaLink="false">hiddenuniverse025-a-galaxy-of-a-different-color-showcase</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/342/HUHD_025_AGalaxyOfADifferentColor.m4v?1603842247" type="video/mp4" length="191901945"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/342/medium/HUSD_25_AGalaxyOfADifferentColor.jpg?1603842244"/>
    </item>
    <item>
      <title>The Omega Nebula (Gallery Explorer)</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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Mon, 02 Feb 2009 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse024-the-omega-nebula-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse024-the-omega-nebula-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/334/HUHD_024_TheOmegaNebula.m4v?1603842082" type="video/mp4" length="52232933"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/334/medium/HUSD_024_TheOmegaNebula.jpg?1603842081"/>
    </item>
    <item>
      <title>The W5 Stellar Blast Furnace (Showcase)</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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Fri, 26 Dec 2008 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse023-the-w5-stellar-blast-furnace-showcase</link>
      <guid isPermaLink="false">hiddenuniverse023-the-w5-stellar-blast-furnace-showcase</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/332/HUHD_023_TheW5StellarBlastFurnace.m4v?1603842072" type="video/mp4" length="184056324"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/332/medium/HU-W5-tn.jpg?1603842070"/>
    </item>
    <item>
      <title>The Milky Way Big Picture (Showcase)</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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Thu, 30 Oct 2008 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse022-the-milky-way-big-picture-showcase</link>
      <guid isPermaLink="false">hiddenuniverse022-the-milky-way-big-picture-showcase</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/326/HUHD_022_TheMilkyWayBigPicture.m4v?1603841691" type="video/mp4" length="162330577"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/326/medium/HUSD_022_TheMilkyWayBigPicture.jpg?1603841689"/>
    </item>
    <item>
      <title>Snowflake Cluster (Gallery Explorer)</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Tue, 12 Aug 2008 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse021-snowflake-cluster-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse021-snowflake-cluster-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/323/HUHD_021_SnowflakeCluster.m4v?1603841543" type="video/mp4" length="63692994"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/323/medium/HUSD_021_SnowflakeCluster.jpg?1603841541"/>
    </item>
    <item>
      <title>Echoes of a Supernova (Showcase)</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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Fri, 13 Jun 2008 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse020-echoes-of-a-supernova-showcase</link>
      <guid isPermaLink="false">hiddenuniverse020-echoes-of-a-supernova-showcase</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/318/HUHD_020_CasA.m4v?1603841394" type="video/mp4" length="155286356"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/318/medium/HU-CasA-tn.jpg?1603841392"/>
    </item>
    <item>
      <title>Protostellar Jets (Gallery Explorer)</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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Tue, 15 Apr 2008 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse019-protostellar-jets-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse019-protostellar-jets-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/314/HUHD_019_ProtostellarJets.m4v?1603842349" type="video/mp4" length="61517205"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/314/medium/HUSD_019_ProtostellarJets.jpg?1603842348"/>
    </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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Fri, 04 Apr 2008 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse018-promo-irrelevant-astronomy</link>
      <guid isPermaLink="false">hiddenuniverse018-promo-irrelevant-astronomy</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/307/HUHD_018_Promo.m4v?1603841282" type="video/mp4" length="21652254"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/307/medium/HUSD_018_Promo.jpg?1603841282"/>
    </item>
    <item>
      <title>Rho Ophiuchi Cloud (Gallery Explorer)</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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Wed, 13 Feb 2008 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse017-rho-ophiuchi-cloud-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse017-rho-ophiuchi-cloud-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/303/HUHD_017_RhoOph.m4v?1603841968" type="video/mp4" length="71605637"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/303/medium/HUSD_017_RhoOph.jpg?1603841967"/>
    </item>
    <item>
      <title>The X-Planets (Showcase)</title>
      <description>These two extreme planets have set the records for the hottest and windiest known worlds anywhere.</description>
      <itunes:subtitle>These two extreme planets have set the records for the hottest and windiest known worlds anywhere.</itunes:subtitle>
      <itunes:summary>These two extreme planets have set the records for the hottest and windiest known worlds anywhere.</itunes:summary>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Sat, 22 Dec 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse016-the-x-planets-showcase</link>
      <guid isPermaLink="false">hiddenuniverse016-the-x-planets-showcase</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/301/HUHD_016_XPlanets-HD.m4v?1603841272" type="video/mp4" length="210827486"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/301/medium/xplanets_tn.jpg?1603841270"/>
    </item>
    <item>
      <title>Galaxies (Gallery Explorer)</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Fri, 30 Nov 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse015-galaxies-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse015-galaxies-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/295/HUHD_015_Galaxies.m4v?1603842333" type="video/mp4" length="60213958"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/295/medium/GalleryExplorer5_Galaxies_HD.jpg?1603842332"/>
    </item>
    <item>
      <title>Trilogy of Terror (Showcase)</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Tue, 30 Oct 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse014-trilogy-of-terror-showcase</link>
      <guid isPermaLink="false">hiddenuniverse014-trilogy-of-terror-showcase</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/293/HUHD_014_Halloween.m4v?1603841533" type="video/mp4" length="166316633"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/293/medium/Showcase3_Halloween.jpg?1603841531"/>
    </item>
    <item>
      <title>Mira, A Real Shooting Star (Showcase)</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Tue, 02 Oct 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse013-mira-a-real-shooting-star-showcase</link>
      <guid isPermaLink="false">hiddenuniverse013-mira-a-real-shooting-star-showcase</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/287/HUHD_013_Mira.m4v?1603842121" type="video/mp4" length="168562984"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/287/medium/Showcase2_Mira.jpg?1603842118"/>
    </item>
    <item>
      <title>Helix Nebula (Gallery Explorer)</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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Wed, 05 Sep 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse012-helix-nebula-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse012-helix-nebula-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/285/HUHD_012_Helix.m4v?1603841390" type="video/mp4" length="57069640"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/285/medium/sig07-016_Medtn.jpg?1603841388"/>
    </item>
    <item>
      <title>Eta Carinae (Gallery Explorer)</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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Fri, 20 Jul 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse011-eta-carinae-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse011-eta-carinae-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/278/HUHD_011_EtaCar.m4v?1603841438" type="video/mp4" length="56905172"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/278/medium/ssc2005-12a1_Med-1tn.jpg?1603841437"/>
    </item>
    <item>
      <title>Special: M51 &amp; 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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Thu, 28 Jun 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse010-special-m51-gizmo</link>
      <guid isPermaLink="false">hiddenuniverse010-special-m51-gizmo</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/274/HUHD_010_M51AndGizmo.m4v?1603841997" type="video/mp4" length="97215040"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/274/medium/010-m51gizmo.jpg?1603841995"/>
    </item>
    <item>
      <title>Galactic Center (Gallery Explorer)</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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Wed, 30 May 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse009-galactic-center-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse009-galactic-center-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/268/HUHD_009_GC.m4v?1603842114" type="video/mp4" length="75725614"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/268/medium/009_galleryexplorer2_gc.jpg?1603842113"/>
    </item>
    <item>
      <title>Andromeda, Beauty and the Beast (Showcase)</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>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Mon, 14 May 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse008-andromeda-beauty-and-the-beast-showcase</link>
      <guid isPermaLink="false">hiddenuniverse008-andromeda-beauty-and-the-beast-showcase</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/266/HUHD_008_Andromeda.m4v?1603842060" type="video/mp4" length="186956032"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/266/medium/Showcase1_Andromeda.jpg?1603842058"/>
    </item>
    <item>
      <title>Gallery Explorer: Large Magellanic Cloud (HD)</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Wed, 02 May 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hduniverse007-gallery-explorer-large-magellanic-cloud-hd</link>
      <guid isPermaLink="false">hduniverse007-gallery-explorer-large-magellanic-cloud-hd</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/262/GalleryExplorer1_LMC.m4v?1603842305" type="video/mp4" length="71174617"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/262/medium/GalleryExplorer1_LMC.jpg?1603842304"/>
    </item>
    <item>
      <title>Large Magellanic Cloud (Gallery Explorer)</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Wed, 02 May 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse007-large-magellanic-cloud-gallery-explorer</link>
      <guid isPermaLink="false">hiddenuniverse007-large-magellanic-cloud-gallery-explorer</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/260/007_galleryexplorer1_lmc.m4v?1603841243" type="video/mp4" length="10961706"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/260/medium/007_galleryexplorer1_lmc.jpg?1603841242"/>
    </item>
    <item>
      <title>Pillars of Destruction</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Tue, 30 Jan 2007 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse006-pillars-of-destruction</link>
      <guid isPermaLink="false">hiddenuniverse006-pillars-of-destruction</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/258/006_pillars.m4v?1603842033" type="video/mp4" length="30518629"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/258/medium/006_pillars.jpg?1603842032"/>
    </item>
    <item>
      <title>Seeing the First Light</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Mon, 18 Dec 2006 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse005-seeing-the-first-light</link>
      <guid isPermaLink="false">hiddenuniverse005-seeing-the-first-light</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/256/005_firstlight.m4v?1603842014" type="video/mp4" length="33824691"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/256/medium/005_firstlight.jpg?1603842014"/>
    </item>
    <item>
      <title>Night and Day on an Alien World</title>
      <description>It's as clear as day and night... 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... 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... 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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Thu, 12 Oct 2006 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse004-night-and-day-on-an-alien-world</link>
      <guid isPermaLink="false">hiddenuniverse004-night-and-day-on-an-alien-world</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/254/004_daynightplanet.m4v?1603842278" type="video/mp4" length="28809238"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/254/medium/004_daynightplanet.jpg?1603842277"/>
    </item>
    <item>
      <title>A Stellar Census of the Sword of Orion</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Mon, 14 Aug 2006 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse003-a-stellar-census-of-the-sword-of-orion</link>
      <guid isPermaLink="false">hiddenuniverse003-a-stellar-census-of-the-sword-of-orion</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/252/003_orion.m4v?1603841540" type="video/mp4" length="30810921"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/252/medium/003_orion.jpg?1603841539"/>
    </item>
    <item>
      <title>Exposing the Exploding Cigar Galaxy (Hidden Universe)</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Fri, 16 Jun 2006 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse002-exposing-the-exploding-cigar-galaxy</link>
      <guid isPermaLink="false">hiddenuniverse002-exposing-the-exploding-cigar-galaxy</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/250/002_exposing_the_exploding_cigar_galaxy.m4v?1603841790" type="video/mp4" length="25832103"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/250/medium/002_exposing_the_exploding_cigar_galaxy.jpg?1603841788"/>
    </item>
    <item>
      <title>Planetary Life after Death: Hidden Universe</title>
      <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>
      <itunes:author>NASA's Spitzer Science Center / IPAC / NASA / Caltech</itunes:author>
      <pubDate>Tue, 02 May 2006 00:00:00 +0000</pubDate>
      <link>https://www.spitzer.caltech.edu/video/hiddenuniverse001-planetary-life-after-death</link>
      <guid isPermaLink="false">hiddenuniverse001-planetary-life-after-death</guid>
      <enclosure url="https://www.spitzer.caltech.edu/system/videos/downloads/248/001_planetary_life_after_death.m4v?1603841244" type="video/mp4" length="19845493"/>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:image href="https://www.spitzer.caltech.edu/system/videos/images/248/medium/001_planetary_life_after_death.jpg?1603841244"/>
    </item>
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