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The moon

  1. Apr 22, 2007 #1
    What part of the theory of general relativity helps us understand why we always see the same side of the moon?

  2. jcsd
  3. Apr 22, 2007 #2


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    GR is not necessary for this, you can explain it with Newtonian gravitation (which is a limiting case of general relativity), it's known as tidal locking.
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