- Kepler's second law as a noun:
- 1
Kepler's second law
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.
synonyms: law of areas, law of equal areas.
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