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View Diary: Getting to Know Your Solar System (28): Saturn (Vol. 3) (42 comments)

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  •  Hmmm ... maybe when Venus was young it rotated (2+ / 0-)
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    Troubadour, Khun David

    faster and had a magnetic field.

    You have exactly 10 seconds to change that look of disgusting pity into one of enormous respect!

    by Cartoon Peril on Thu Apr 18, 2013 at 05:07:22 PM PDT

    [ Parent ]

    •  Probably. The theory is that a massive impact (2+ / 0-)
      Recommended by:
      Cartoon Peril, Khun David

      early in its history slowed down its rotation by hitting at an angle in the direction opposite to the original rotation.  It would have still had a magnetic field for quite a while afterwards just from earlier dynamo activity, but it would have wound down.

      Democracy is a habit, not a circumstance.

      by Troubadour on Thu Apr 18, 2013 at 05:29:52 PM PDT

      [ Parent ]

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