KnowraKepler's third lawLinked fromLinked fromThe 9 pages that link to Kepler's third law, each with the reason it gives.All 9Broader topic 3Related 6Kepler's laws of planetary motionBroader topic: This law compares orbital periods with orbital sizes.Johannes KeplerBroader topic: Kepler’s third law links the scale of an orbit to the time it takes.Semimajor axisBroader topic: It makes semimajor axis measurable from an orbital period when the central mass is known.