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3rd law of planetary motion

  1. Apr 24, 2007 #1
    Can someone explain keplar's third law of planetary motion to me with out the math and not to technically, just what does it mean?
  2. jcsd
  3. Apr 24, 2007 #2


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    The square of the time period of a planet's orbit (i.e. the square of the time the planet takes to orbit the sun) is proportional to the cube of the average distance between the planet and the sun.
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