How and when will the Universe end? Gravity and dark matter are poised to annihilate the Universe in a big crunch. 
Wll expansion and dark energy tear it apart?
#watch How the Universe Works on Discovery Science HD on My-HD!

#ClearlyDifferent
  • myhd_officialHow and when will the Universe end? Gravity and dark matter are poised to annihilate the Universe in a big crunch.
    Wll expansion and dark energy tear it apart?
    #watch How the Universe Works on Discovery Science HD on My-HD!

    #ClearlyDifferent

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