This category lists pages and sites about the German mathematician, astronomer and astrologer Johannes Kepler (December 27, 1571 – November 15, 1630). He discovered that the Earth and planets travel about the sun in elliptical orbits. He gave three fundamental laws of planetary motion. He also did important work in optics and geometry..
A short biography, a list of his discoveries and theories, and "Kepler's Laws of Planetary Motion".
Biography and explanation of his laws from PhysicsPlanet.com.
The son of a mercenary soldier and an innkeeper's daughter who later became a brilliant and prolific mathematician and astronomer, and creator of the Three Laws of Planetary Motion.
German astronomer Johannes Kepler was a supporter of the Copernican model of the universe. Find out more about his life and work.
Biography provided by the University of St Andrews in Scotland. Includes a printable version and photographs.
Illustrated essay includes a biography and chronological history of his work.
Illustrated encyclopedia article that covers the life and work of the German mathematician, astronomer and astrologer.
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