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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク 1803 Zwicky ： ウィキペディア英語版 1803 Zwicky 1803 Zwicky, provisional designation 1967 CA, is a stony asteroid from the inner regions of the asteroid belt, about 10 kilometers in diameter. It was discovered by astronomer Paul Wild at Zimmerwald Observatory near Bern, Switzerland on 6 February 1967.〔 It belongs to the Phocaea family of asteroids and orbits the Sun at a distance of 1.8–2.9 AU once every 3 years and 7 months (1,316 days). The S-type asteroid has a rotation period of 27.1 hours.〔 Its geometric albedo amounts to and , as measured by the Akari and NEOWISE survey, respectively.〔〔 The LCDB project assumes an albedo of 0.23.〔 The asteroid was named after Swiss astronomer Fritz Zwicky (1898–1974), who was a professor at Caltech and a pioneer in many fields, most notably in the study of galaxy clusters and supernovas, in high-energy astrophysics, and in developing jet propulsion for spacecraft and airplanes.〔 He was the first to infer the existence of unseen matter and coined the term ''Dark matter''. The lunar crater ''Zwicky'' is also named in his honour. == 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「1803 Zwicky」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.