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Definition of Kepler's second law
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. "Kepler's second law means that a planet's orbital speed changes with its distance from the sun"
Exact synonyms: Law Of Areas, Law Of Equal Areas
Generic synonyms: Kepler's Law, Kepler's Law Of Planetary Motion
Generic synonyms: Kepler's Law, Kepler's Law Of Planetary Motion