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* Copyright (c) 2015, 2018 Eclipse Foundation and others.
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at
* Contributors:
* Nathan Gervais (Eclipse Foundation) - Initial implementation
* Eric Poirier (Eclipse Foundation)
* SPDX-License-Identifier: EPL-2.0
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<h2 id="h2_kepler">Who is Kepler?</h2>
<img src="/kepler/images/kepler.png" id="kepler_pic" /><strong>Johannes
Kepler</strong> (German: <span
title="Representation in the International Phonetic Alphabet (IPA)">[ˈkʰɛplɐ]</span>;
December 27, 1571 – November 15, 1630) was a German
mathematician, astronomer and astrologer. A key figure in
the 17th century scientific revolution, he is best known for
his eponymous laws of planetary motion, codified by later
astronomers, based on his works <em>Astronomia nova</em>, <em>Harmonices
Mundi</em>, and <em>Epitome of Copernican Astronomy</em>.
These works also provided one of the foundations for Isaac
Newton's theory of universal gravitation.
<p>During his career, Kepler was a mathematics teacher at a
seminary school in Graz, Austria, where he became an
associate of Prince Hans Ulrich von Eggenberg. Later he
became an assistant to astronomer Tycho Brahe, and
eventually the imperial mathematician to Emperor Rudolf II
and his two successors Matthias and Ferdinand II. He was
also a mathematics teacher in Linz, Austria, and an adviser
to General Wallenstein. Additionally, he did fundamental
work in the field of optics, invented an improved version of
the refracting telescope (the Keplerian Telescope), and
mentioned the telescopic discoveries of his contemporary
Galileo Galilei.</p>
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This article uses material from the Wikipedia article <a
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