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Kep·ler(kĕp′lər), Johannes 1571-1630.
German astronomer and mathematician whose three laws describing the elliptical orbits of celestial bodies provided a basis for Isaac Newton's theory of gravitation.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biography) Johannes (joˈhanəs). 1571–1630, German astronomer. As discoverer of Kepler's laws of planetary motion he is regarded as one of the founders of modern astronomy
(Astronomy) a small crater in the NW quadrant of the moon, centre of a large bright ray system
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Johann, 1571–1630, German astronomer.
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