KEPLER'S LAW OF PLANETARY MOTION

WordNet Dictionary

	Definition:	[n] (astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler

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	Synonyms:	Kepler's law

	See Also:	harmonic law, Kepler's first law, Kepler's second law, Kepler's third law, law, law of areas, law of equal areas, law of nature