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Gravity in other Universes

  1. Feb 18, 2009 #1
    In the hypothetical multiverse, is it possible for mass in other universes to be attracted to mass in our universe?
     
  2. jcsd
  3. Feb 19, 2009 #2
    That's the idea. Physicists are trying to explain why gravity is so much weaker than the other three fundamental forces (electromagnetic-, strong- and weak force). One theory is that gravity only appears to be weaker since it can move between universes, whereas the three other forces cannot.
     
  4. Feb 21, 2009 #3
    I recommend reading Lisa Randall's Warped Passages: Unraveling the Mysteries of the Universe's Hidden Dimensions.
     
  5. Feb 22, 2009 #4
    if it attracts mass in our universe, then we should see the deflection in our universe.
     
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