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Johannes Kepler - Wikipedia, the free encyclopedia
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Johannes Kepler (1571-1630) ... Johannes Kepler was a German mathematician and astronomer who 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.
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Johannes Kepler was born in Weil der Stadt in Swabia, in southwest Germany. His paternal grandfather, Sebald Kepler, was a respected craftsman who served as mayor of the city; his maternal grandfather, Melchior Guldenmann, was an innkeeper and mayor of the nearby village of Eltingen.
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Kepler had been trained as a Platonist and Neopythagorean, and was given to rather mystical views, as exemplified in his work Mysterium ... Baumgardt, C. Johannes Kepler: Life and Letters. London: Gollancz, 1952. ... Koestler, A. The Watershed: A Biography of Johannes Kepler. Garden City, NY: Anchor Books, 1960.
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Britannica online encyclopedia article on Johannes Kepler (German astronomer), December 27, 1571Weil der Stadt, Württemberg [Germany]November 15, 1630RegensburgGerman astronomer who discovered three major laws of planetary motion, conventionally designated as follows: (1) the planets move in elliptical orbits with the Sun ...
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Johannes Kepler was born at 2:30 PM on December 27, 1571, in Weil der Stadt, Württemberg, in the Holy Roman Empire of German Nationality. He was a sickly child and his parents were poor. But his evident intelligence earned him a scholarship to the University of Tübingen to study for the Lutheran ministry.
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More on Johannes Kepler from Infoplease: ... Johannes Kepler - Biography of Johannes Kepler, The astronomer who explained planetary motion ... Related content from HighBeam Research on: Johannes Kepler...
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However, upon Galilei's discovery, Johannes Kepler (in a letter to Galileo) suggested satellite (from the Latin satelles, which means “attendant”) as a general term for such objects. The word satellite is used interchangeably with moon, and astronomers speak and write about the moons of Neptune, Saturn, etc.
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Foreword by David Koch of NASA’s Kepler Mission Isaac Newton said that if he had seen farther than others, it was because he was standing on the shoulders of giants: Nicolaus Copernicus, Tycho Brahe, Galileo Galilei, and Johannes Kepler.
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Kepler and the heliocentric theory Kepler's other mathematical work Kepler and pluralism ... Kepler went on to provide the beginning of a theory of the telescope in his Dioptrice (1611). A couple of years later he wrote De vero anno quo aeternus dei filius humanam naturam in utero benedictae Virginis Mariae...
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