law of equal areas

1 definition found

law of equal areas - WordNet (r) 2.1 (2005) :

  law of equal areas
      n 1: 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; "Kepler's second law means that a planet's
           orbital speed changes with its distance from the sun" [syn:
           Kepler's second law, law of areas, law of equal areas
           ]