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The End of the Universe?

  1. Feb 14, 2013 #1
    I have heard many theories about the end of the universe, from infinitely expanding, to collapsing in on itself. I was wondering, theoretically, how to find out which would happen? Is the fate of our universe based solely upon the critical mass density of the universe or are there other factors?
  2. jcsd
  3. Feb 14, 2013 #2
    You can start here, and follow the links to have your questions answered.
  4. Feb 14, 2013 #3
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