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Kepler Motion
Johannes Kepler (; ; 27 December 1571 – 15 November 1630) was a German astronomer, mathematician, astrologer, natural philosopher and writer on music. He is a key figure in the 17th-century Scientific Revolution, best known for his laws of planetary motion, and his books ''Astronomia nova'', ''Harmonice Mundi'', and ''Epitome Astronomiae Copernicanae''. These works also provided one of the foundations for Newton's theory of universal gravitation. Kepler was a mathematics teacher at a seminary school in Graz, where he became an associate of Prince Hans Ulrich von Eggenberg. Later he became an assistant to the astronomer Tycho Brahe in Prague, and eventually the imperial mathematician to Emperor Rudolf II and his two successors Matthias and Ferdinand II. He also taught mathematics in Linz, and was an adviser to General Wallenstein. Additionally, he did fundamental work in the field of optics, invented an improved version of the refracting (or Keplerian) telescope, and wa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Weil Der Stadt
Weil der Stadt is a town of about 19,000 inhabitants in the Stuttgart Region of the German state of Baden-Württemberg. It is about west of Stuttgart city centre, in the valley of the River Würm, and is often called the "Gate to the Black Forest". Name The name Weil derives from the Latin word ''villa'', an estate or manor. The suffix ''die Stadt'' (the town) was added to distinguish Weil from various nearby villages of the same name, such as Weil im Dorf and Weil im Schönbuch. The modern name is unusual in that it contains the dative article ''der'' rather than the nominative article ''die''. This quirk arose because place names typically come after prepositions that govern the dative case in German, such as ''in'' or ''aus''. The Roman origins of the town are immortalized in its coat of arms, which features the motto SPQR. History The village of ''Wile'' was first mentioned in 1075, and described as the property of the famous abbey of Hirsau. Weil der Stadt became a Free ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
