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Johannes Kepler a famous German astronomer, mathematician, and astrologer, during the scientific revolution, born in December 27, 1571. He is known for his laws of planetary motion, and his books Astronomia nova, Harmonices Mundi, and Epitome Astronomiae Copernicanae.
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One of Johanne's discovery was, planetary motion, the planets move in elliptical orbits with the Sun at one focus.
