NASA: National Aeronautics and Space Administration

  1. Question

    Do all our solar system planets rotate or spin in the same direction?

    No, Venus has a backward or retrograde rotation, and the rotation axis of Uranus is tipped nearly 90 degrees. But you don't need to ask me. You can find this simple fact in any encyclopedia or book about astronomy. The first three references listed by google (and many others of 5 million on planet rotation) also give this information. David Morrison
    NAI Senior Scientist

    October 23, 2006

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