Johannes Kepler 1571-1630 (27 Dez 1571 Jahr – 15 Nov 1630 Jahr)

Beschreibung:

December 27, 1571 - November 15, 1630

Johannes Kepler was a German mathematician, astronomer, and astrologer.

Kepler is a key figure in the 17th-century scientific revolution. He is best known for his laws of planetary motion, based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. These works also provided one of the foundations for Isaac Newton's theory of universal gravitation.

3 Laws of Planetary Motion:
1) Orbits of planets around sun elliptical rather than circular
2) Planets do not move at uniform speed in orbits
3) Time of complete orbit precisely related to distance from sun

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