Kepler's second law
Also found in: Thesaurus, Wikipedia.
Switch to new thesaurus
|Noun||1.||Kepler's second law - 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"|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.