Johannes Kepler is best known for his laws of planetary motion.

Exists 3 Keplers Laws

Law 1: The orbits of the planets are ellipses, with the Sun at one focus of the ellipse.

Law 2:A line joining a planet/comet and the Sun sweeps out equal areas in equal intervals of time.

Law 3:The ratio of the squares of the revolutionary periods for two planets is equal to the ratio of the cubes of their semimajor axes.

P₁² / P₂² = R₁³ / R₂³

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