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
• Syn: ↑law of areas, ↑law of equal areas
• Hypernyms: ↑Kepler's law, ↑Kepler's law of planetary motion
Useful english dictionary. 2012.