English noun: Kepler's second law | |||
1. | Kepler's second law (cognition) 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 | ||
Samples | Kepler's second law means that a planet's orbital speed changes with its distance from the sun. | ||
Synonyms | law of areas, law of equal areas | ||
Broader (hypernym) | Kepler's law, Kepler's law of planetary motion | ||