kepler's third law

Noun
  1. A law stating that the ratio of the square of the revolutionary period (in years) to the cube of the orbital axis (in astronomical units) is the same for all planets (synset 105888794)
    is a type of: kepler's law, kepler's law of planetary motion - (astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler
    same as: harmonic law

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