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The Moon and Venus

  1. Nov 11, 2013 #1
    I have recently come across a new theory about the formation of the moon. It says that the Earth was rotating faster than it is now and was side-swiped by an object larger than Mars.
    Is it possible that object was Venus and the collision caused the Earth to slow down and the rotation of Venus to be reversed thus explaining why Venus spins in the wrong direction.
     
  2. jcsd
  3. Nov 11, 2013 #2

    Drakkith

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    Staff: Mentor

    Extremely unlikely. That would have resulted in an extremely elliptical orbit for Venus, which would have needed to be corrected in order for it to have the orbit we observe today. The chance that the combination of events required to make both of these things happen is very, very unlikely.
     
  4. Nov 11, 2013 #3

    D H

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    Staff Emeritus
    Science Advisor

    This is neither a theory nor new. It's the giant impact hypothesis, and it has been around since the mid 1970s.

    No.

    This thread is closed. Personal theories are not allowed at PhysicsForums.
     
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