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Helisaeus Roeslin (17 January 1545, Plieningen (now part of Stuttgart) – 14 August 1616, Buchsweiler was a German physician and astrologer who adopted a geoheliocentric model of the universe. He was one of five observers〔Also Tycho Brahe, William IV, Landgrave of Hesse-Kassel, Cornelius Gemma, and Michael Mästlin.〕 who concluded that the Great Comet of 1577 was located beyond the moon. His representation of the comet, described as "an interesting, though crude, attempt," was among the earliest and was highly complex.〔Robert S. Westman, "The Comet and the Cosmos: Kepler, Mästlin, and the Copernican Hypothesis," in ''The Reception of Copernicus' Heliocentric Theory: Proceedings of a Symposium Organized by the Nicolas Copernicus Committee of the International Union of the History and Philosophy of Science, Torun, Poland, 1973'' (Springer, 1973), pp. 10 and 28. For a description and reproduction of the diagram, see pp. 28–29 (online. )〕 Roeslin had known Johannes Kepler since their student days and was one of his correspondents.〔Max Caspar, ''Kepler'', translated and edited by C. Doris Hellman (New York: Dover, 1993), p. 181.〕 Roeslin placed more emphasis on astrological predictions than did Kepler, and though he respected Kepler as a mathematician, he rejected some of Kepler's cosmological principles, including Copernican theory.〔Miguel Granada, "The Discussion between Kepler and Roeslin on the Nova of 1604," in ''1604–2004: Supernovae as Cosmological Lighthouses'', Astronomical Society of the Pacific Conference Series 342 (San Francisco 2005), as (abstracted ) in a review by Alessandro Giostra.〕 Kepler criticized Roeslin's predictions in his book ''De stella nova'', on the comet of 1604, and the two kept up their arguments in a series of pamphlets written as dialogues.〔Gerd Fritz, "Dialogical Structures in 17th Century Controversies," p. 204, (online. )〕 Roeslin's 1597 book ''De opere Dei creationis'' is regarded as one of the major works in the late 16th-century controversy over the formulation of a geoheliocentric world system.〔University of Cambridge Department of History and Philosophy of Science, ("Conflict and Priority in Early-Modern Astronomy." )〕 Robert Burton refers to Roeslin in his ''Anatomy of Melancholy''. Roeslin was physician-in-ordinary to the count palatine of Veldenz and the count of Hanau-Lichtenberg in Buchsweiler in Alsace.〔Max Caspar, ''Kepler'', p. 181.〕 He made a prediction that the world would end 1654 based on a nova that occurred in 1572.〔James Randi, ''The Mask of Nostradamus'' Page 240.〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Helisaeus Roeslin」の詳細全文を読む スポンサード リンク
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