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    <title>HETDEX: The Search for Dark Energy</title>
    <link>http://hetdex.org</link>
    <description>A periodic audio/video feature from McDonald Observatory showcasing the Hobby-Eberly Telescope Dark Energy Experiment.</description>
    <language>en-us</language>
    <copyright>Copyright 2008</copyright>
    <pubDate>Tue, 01 Apr 2008 00:00:00 -0600</pubDate>
    <itunes:author>McDonald Observatory</itunes:author>
    <itunes:subtitle>Hobby-Eberly Telescope Dark Energy Experiment</itunes:subtitle>
    <itunes:summary>A periodic audio/video feature from McDonald Observatory showcasing the Hobby-Eberly Telescope Dark Energy Experiment.</itunes:summary>
    <itunes:explicit>no</itunes:explicit>
    <itunes:owner>
      <itunes:name>McDonald Observatory</itunes:name>
      <itunes:email>webmaster@mcdonaldobservatory.org</itunes:email>
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    <itunes:image href="http://hetdex.org/images/design/logo-for-iTunes.jpg"/>
    <itunes:block>no</itunes:block>
    <itunes:category text="Science &amp; Medicine">
      <itunes:category text="Natural Sciences"/>
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    <item>
      <title>The Search for Dark Energy</title>
      <description>An introduction to the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX).</description>
      <author>webmaster@mcdonaldobservatory.org</author>
      <pubDate>Mon, 14 Apr 2008 00:00:00 -0600</pubDate>
      <guid>http://hetdex.org/audio/the_search_for_dark_energy.mp3</guid>
      <itunes:author>McDonald Observatory</itunes:author>
      <itunes:summary>An introduction to the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX).</itunes:summary>
      <itunes:keywords>dark energy,dark matter,astronomy</itunes:keywords>
      <itunes:explicit>no</itunes:explicit>
      <enclosure url="http://hetdex.org/audio/the_search_for_dark_energy.mp3" length="2716873" type="audio/mpeg"/>
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    <item>
      <title>A 'Speedy' Discovery</title>
      <description>In 1998, two teams of astronomers discovered that, instead of slowing down, the universe is expanding faster today than it was in earlier epochs.</description>
      <author>webmaster@mcdonaldobservatory.org</author>
      <pubDate>Mon, 19 May 2008 06:00:00 -0600</pubDate>
      <guid>http://hetdex.org/audio/a_speedy_discovery.mp3</guid>
      <itunes:author>McDonald Observatory</itunes:author>
      <itunes:summary>In 1998, two teams of astronomers discovered that, instead of slowing down, the universe is expanding faster today than it was in earlier epochs.</itunes:summary>
      <itunes:duration>00:05:45</itunes:duration>
      <itunes:keywords>dark energy</itunes:keywords>
      <itunes:explicit>no</itunes:explicit>
      <itunes:block>no</itunes:block>
      <enclosure url="http://hetdex.org/audio/a_speedy_discovery.mp3" length="2769532" type="audio/mpeg"/>
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      <title>Introduction to HETDEX</title>
      <description>An introduction to the Hobby-Eberly Telescope Dark Energy Experiment</description>
      <author>McDonald Observatory</author>
      <pubDate>Mon, 02 Jun 2008 00:00:00 -0600</pubDate>
      <guid>http://hetdex.org/audio/intro_to_hetdex.mp3</guid>
      <itunes:subtitle>An introduction to the Hobby-Eberly Telescope Dark Energy Experiment</itunes:subtitle>
      <itunes:author>McDonald Observatory</itunes:author>
      <itunes:summary>An introduction to the Hobby-Eberly Telescope Dark Energy Experiment</itunes:summary>
      <itunes:keywords>dark energy, astronomy</itunes:keywords>
      <itunes:explicit>no</itunes:explicit>
      <itunes:block>no</itunes:block>
      <enclosure url="http://hetdex.org/audio/intro_to_hetdex.mp3" length="4430946" type="audio/mpeg"/>
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      <title>The Possibilities</title>
      <description>When it comes to explaining dark energy, scientists are in the dark.</description>
      <author>McDonald Observatory</author>
      <pubDate>Mon, 16 Jun 2008 00:00:00 -0500</pubDate>
      <guid>http://hetdex.org/audio/the_possibilities.mp3</guid>
      <itunes:subtitle>When it comes to explaining dark energy, scientists are in the dark.</itunes:subtitle>
      <itunes:author>McDonald Observatory</itunes:author>
      <itunes:summary>When it comes to explaining dark energy, scientists are in the dark.</itunes:summary>
      <itunes:duration>00:06:05</itunes:duration>
      <itunes:keywords>dark energy, astronomy</itunes:keywords>
      <itunes:explicit>no</itunes:explicit>
      <itunes:block>no</itunes:block>
      <enclosure url="http://hetdex.org/audio/the_possibilities.mp3" length="2928147" type="audio/mpeg"/>
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    <item>
      <title>Looking for Dark Energy</title>
      <description>Karl Gebhardt, HETDEX Project Scientist, explains how a McDonald Observatory telescope will look for dark energy.</description>
      <author>McDonald Observatory</author>
      <pubDate>Thu, 26 Jun 2008 00:00:00 -0600</pubDate>
      <guid>http://hetdex.org/videos/Looking for Dark Energy.m4v</guid>
      <itunes:subtitle>Karl Gebhardt, HETDEX Project Scientist, explains how a McDonald Observatory telescope will look for dark energy.</itunes:subtitle>
      <itunes:author>McDonald Observatory</itunes:author>
      <itunes:summary>Karl Gebhardt, HETDEX Project Scientist, explains how a McDonald Observatory telescope will look for dark energy.</itunes:summary>
      <itunes:duration>00:01:17</itunes:duration>
      <itunes:keywords>dark energy</itunes:keywords>
      <itunes:explicit>no</itunes:explicit>
      <itunes:block>no</itunes:block>
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    <item>
      <title>Catching a VIRUS</title>
      <description>An innovative set of spectrographs will observe thousands of galaxies each night</description>
      <author>McDonald Observatory</author>
      <pubDate>Mon, 30 Jun 2008 00:00:00 -0600</pubDate>
      <guid>http://hetdex.org/audio/catching_a_VIRUS.mp3</guid>
      <itunes:subtitle>An innovative set of spectrographs will observe thousands of galaxies each night</itunes:subtitle>
      <itunes:author>McDonald Observatory</itunes:author>
      <itunes:summary>An innovative set of spectrographs will observe thousands of galaxies each night</itunes:summary>
      <itunes:duration>00:07:25</itunes:duration>
      <itunes:keywords>dark energy, spectroscopy</itunes:keywords>
      <itunes:explicit>no</itunes:explicit>
      <itunes:block>no</itunes:block>
      <enclosure url="http://hetdex.org/audio/catching_a_VIRUS.mp3" length="3568470" type="audio/mpeg"/>
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    <item>
      <title>The Race to Discovery</title>
      <description>Astronomers around the world are racing to devise clever and creative ways to learn the nature of dark energy.</description>
      <author>webmaster@mcdonaldobservatory.org</author>
      <pubDate>Mon, 25 Aug 2008 00:00:00 -0600</pubDate>
      <guid>http://hetdex.org/audio/race_to_discovery.mp3</guid>
      <itunes:subtitle>Astronomers around the world are racing to devise clever and creative ways to learn the nature of dark energy.</itunes:subtitle>
      <itunes:author>McDonald Observatory</itunes:author>
      <itunes:summary>Astronomers around the world are racing to devise clever and creative ways to learn the nature of dark energy.</itunes:summary>
      <itunes:duration>00:09:51</itunes:duration>
      <itunes:keywords>astronomy, dark energy</itunes:keywords>
      <itunes:explicit>no</itunes:explicit>
      <itunes:block>no</itunes:block>
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