Kepler's laws of planetary motion

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In astronomy, Kepler's laws give a description of the motion of planets around the Sun.

Kepler's laws are:

Contents

History

Johannes Kepler published his first two laws in 1609, having found them by analyzing the astronomical observations of Tycho Brahe.[2] Kepler did not discover his third law until many years later, and it was published in 1619.[2]

Almost a century later, Isaac Newton proved that relationships like Kepler's would apply exactly under certain ideal conditions approximately fulfilled in the solar system, as consequences of Newton's own laws of motion and law of universal gravitation.[3][4]

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