law of equal areas

Definitions of law of equal areas
  1. noun
    a law concerning the speed at which planets travel; a line connecting a planet to the sun will sweep out equal areas in equal times
    synonyms: Kepler's second law, law of areas
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    type of:
    Kepler's law, Kepler's law of planetary motion
    (astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler
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