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Johann Franz Encke (German pronunciation: [ˈjoːhan ˈfʁants ˈɛŋkə]; 23 September 1791 – 26 August 1865) was a German astronomer.Among his activities, he worked on the calculation of the periods of comets and asteroids, measured the distance from the Earth to the Sun, and made observations of the planet Saturn.
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Johann Franz Encke (born Sept. 23, 1791, Hamburg—died Aug. 26, 1865, Spandau, Ger.) was a German astronomer who in 1819 established the period of the comet now known by his name (see Encke’s Comet). Encke was educated at Hamburg and the University of Göttingen, where he worked under the direction of Carl Friedrich Gauss. In 1816 Encke ...
- The Editors of Encyclopaedia Britannica
Biography. Johann Franz Encke's father was Johann Michael Encke (1749-1795), a Lutheran clergyman at the Jacobikirche (St James church) in Hamburg. His grandfather, Georg Friedrich Encke, had also been a pastor, in Altluneberg, near Bremen. His mother Marie Misler (1755-1811), was the daughter of Johann Gottfried Misler, a civil servant, and ...
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May 18, 2018 · Encke, Johann Franz (b.Hamburg, Germany, 23 September 1791; d.Spandau [near Berlin], Germany, 28 August 1865) astronomy.. The eighth child of a Lutheran preacher, J. Michael Encke, and his wife, M. Elisabeth Misler, Encke displayed an early interest in mathematics but did not enter the University of Göttingen until the autumn of 1811.
Mar 31, 2004 · This is the 59th observed passage of Comet Encke, whose appearances date back to when it was first seen by French observer Pierre Méchain in 1786. That was some five years before German mathematician Johann Franz Encke was born! The comet was “discovered” again in 1795, 1805, and 1818, and during the last of these returns Encke himself ...
Encke’s Comet, faint comet having the shortest orbital period (about 3.3 years) of any known; it was also only the second comet (after Halley’s) to have its period established. The comet was first observed in 1786 by French astronomer Pierre Méchain. In 1819 German astronomer Johann Franz Encke.
Johann Franz Encke1791-1865 German astronomer known for his mathematical work in astronomy, especially on short periodic comets. Following the discovery of a comet with a very short orbiting period around the Sun (3.3 years), Encke developed (in 1819) the mathematical formulae needed to calculate the orbits of this and other short periodic comets.
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