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<book id="6150726">
  <title><![CDATA[Einstein's Telescope: The Hunt for Dark Matter and Dark Energy in the Universe]]></title>
  <isbn><![CDATA[0393062384]]></isbn>
  <isbn13><![CDATA[9780393062380]]></isbn13>
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  <best_book_id type="integer">6150726</best_book_id>
  <books_count type="integer">1</books_count>
  <default_description>&lt;p&gt;&lt;strong&gt;&lt;strong&gt;Cutting-edge astrophysics that builds on                         Einstein's theories to  find the unseen matter                    that  fills the Universe.&lt;/strong&gt; &lt;/strong&gt;  Dark energy. Dark matter. These strange and                 invisible substances don't just  sound                            mysterious:  their unexpected appearance in the     cosmic census is upending long-held notions                    about the nature of the  Universe. Astronomers                    have  long known that the Universe is expanding,            but everything they could see  indicated that                     gravity  should be slowing this spread. Instead,         it appears that the Universe is  accelerating its                expansion and  that something stronger than    gravity--dark energy--is at   work. In &lt;em&gt;Einstein's              Telescope&lt;/em&gt; Evalyn Gates, a  University                   of Chicago  astrophysicist, transports us to the      edge of contemporary science to explore the                     revolutionary tool that  unlocks the secrets of                   these  little-understood cosmic constituents.           Based on Einstein's theory of general                           relativity,  gravitational lensing, or     &quot;Einstein's Telescope,&quot; is enabling           new discoveries that are taking us  toward the                    next revolution in scientific  thinking--one that may change forever         our notions of where the Universe came  from and                  where it is going.&lt;/p&gt;</default_description>
  <id type="integer">6329884</id>
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  <original_publication_day type="integer">23</original_publication_day>
  <original_publication_month type="integer">2</original_publication_month>
  <original_publication_year type="integer">2009</original_publication_year>
  <original_title>Einstein's Telescope: The Hunt for Dark Matter and Dark Energy in the Universe</original_title>
  <rating_dist>total:17|5:7|4:5|3:5|2:0|1:0|</rating_dist>
  <ratings_count type="integer">17</ratings_count>
  <ratings_sum type="integer">70</ratings_sum>
  <reviews_count type="integer">56</reviews_count>
  <text_reviews_count type="integer">6</text_reviews_count>
</work>

  <average_rating><![CDATA[4.12]]></average_rating>
  <ratings_count><![CDATA[17]]></ratings_count>
  <text_reviews_count><![CDATA[6]]></text_reviews_count>
  <url><![CDATA[http://www.goodreads.com/book/show/6150726.Einstein_s_Telescope_The_Hunt_for_Dark_Matter_and_Dark_Energy_in_the_Universe]]></url>
  <authors>
        <author id="2803857">
      <name><![CDATA[Evalyn Gates]]></name>
      <role><![CDATA[]]></role>
      <url><![CDATA[http://www.goodreads.com/author/show/2803857.Evalyn_Gates]]></url>
      <average_rating><![CDATA[4.12]]></average_rating>
      <ratings_count><![CDATA[17]]></ratings_count>
      <text_reviews_count><![CDATA[6]]></text_reviews_count>
    </author>
      </authors>
    <reviews start="1" end="20" total="56">
    <review id="74564902">
    <user id="2837074">
    <name><![CDATA[David]]></name>
    <location><![CDATA[East Walpole, MA]]></location>        
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      <rating>5</rating>
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  <read_at>Sat Oct 24 00:00:00 -0700 2009</read_at>
  <date_added>Wed Oct 14 17:57:45 -0700 2009</date_added>
  <date_updated>Sat Oct 24 16:35:34 -0700 2009</date_updated>
  <read_count></read_count>
    <body><![CDATA[If you haven't kept up with recent work in astronomy (as I haven't) you'll will learn a great deal from this book. There has been a revolution in cosmology in the last ten years. Did you know that &quot;ordinary&quot; matter only makes up 5% of the universe? Did you know that astrophysicists are dis...<a href="http://www.goodreads.com/review/show/74564902">more...</a>]]></body>
    <url><![CDATA[http://www.goodreads.com/review/show/74564902]]></url>
</review>
    <review id="64813082">
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    <name><![CDATA[Jean-claude]]></name>
    <location><![CDATA[Drexel Hill, PA]]></location>        
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      <rating>5</rating>
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  <read_at>Fri Jul 24 00:00:00 -0700 2009</read_at>
  <date_added>Fri Jul 24 12:45:45 -0700 2009</date_added>
  <date_updated>Fri Jul 24 12:53:09 -0700 2009</date_updated>
  <read_count></read_count>
    <body><![CDATA[This is an engrossing overview of gravitational lensing and the associated physics of dark energy and dark matter.  Often books like these gloss over theory but Gates does a fantastic job of presenting enough evidence in sufficient detail to make it interesting. The fact that we don't understand wha...<a href="http://www.goodreads.com/review/show/64813082">more...</a>]]></body>
    <url><![CDATA[http://www.goodreads.com/review/show/64813082]]></url>
</review>
    <review id="50692481">
    <user id="344958">
    <name><![CDATA[Jon]]></name>
    <location><![CDATA[The United States]]></location>        
    <url><![CDATA[http://www.goodreads.com/user/show/344958-jon]]></url>
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      <rating>3</rating>
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  <read_at>Sun Mar 01 00:00:00 -0800 2009</read_at>
  <date_added>Sat Mar 28 04:38:38 -0700 2009</date_added>
  <date_updated>Sat Mar 28 04:44:34 -0700 2009</date_updated>
  <read_count></read_count>
    <body><![CDATA[Good survey of what's going on these days in observational astronomy (gravitational lensing), and how it connects to the search for the nature of dark mater and dark energy.  With tie-ins to cosmology, string theory, and all that pencil and paper stuff.  The lensing phenomenon is a novel idea and co...<a href="http://www.goodreads.com/review/show/50692481">more...</a>]]></body>
    <url><![CDATA[http://www.goodreads.com/review/show/50692481]]></url>
</review>
    <review id="56618273">
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    <name><![CDATA[J. D.]]></name>
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      <rating>5</rating>
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  <read_at>Mon Jun 08 00:00:00 -0700 2009</read_at>
  <date_added>Tue May 19 09:57:31 -0700 2009</date_added>
  <date_updated>Tue Jun 09 05:45:46 -0700 2009</date_updated>
  <read_count></read_count>
    <body><![CDATA[As a layman who drew some esthetic comfort from the Big-Bang/Expansion/Contraction/Big-Crunch cosmological model, I have read reports, in the last ten or fifteen years, of the discovery of expansion-acceleration with mixed feelings.  However, if one has to receive bad news, it should be as expertly ...<a href="http://www.goodreads.com/review/show/56618273">more...</a>]]></body>
    <url><![CDATA[http://www.goodreads.com/review/show/56618273]]></url>
</review>
    <review id="60335599">
    <user id="1981731">
    <name><![CDATA[Ben]]></name>
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  <date_added>Fri Jun 19 14:43:23 -0700 2009</date_added>
  <date_updated>Fri Jun 19 14:44:35 -0700 2009</date_updated>
  <read_count></read_count>
    <body><![CDATA[This book was awesome!  I really learned a lot from it, and I got my dad to read it as well.  (He agrees.)  I would seriously recommend it. ]]></body>
    <url><![CDATA[http://www.goodreads.com/review/show/60335599]]></url>
</review>
    <review id="52623549">
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      <rating>3</rating>
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  <read_at>Fri May 29 00:00:00 -0700 2009</read_at>
  <date_added>Tue Apr 14 07:24:07 -0700 2009</date_added>
  <date_updated>Fri May 29 08:20:36 -0700 2009</date_updated>
  <read_count></read_count>
    <body><![CDATA[Whew!  It took me six weeks to get through this astrophysics book.  I haven't picked up a physics book since high school and was hesitant to start reading this.  While this book was interesting, the subject matter was intense and I found myself re-reading sections two or three times to ensure I comp...<a href="http://www.goodreads.com/review/show/52623549">more...</a>]]></body>
    <url><![CDATA[http://www.goodreads.com/review/show/52623549]]></url>
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  <date_added>Tue Nov 24 08:55:42 -0800 2009</date_added>
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