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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 Theodosius of Bithynia ： ウィキペディア英語版 Theodosius of Bithynia Theodosius of Bithynia (; c. 160 BC – c. 100 BC) was a Greek astronomer and mathematician who wrote the ''Sphaerics'', a book on the geometry of the sphere. ==Life== Born in Tripolis, in Bithynia, Theodosius is cited by Vitruvius as having invented a sundial suitable for any place on Earth. His ''Sphaerics'' provided the mathematics for spherical astronomy, and may have been based on a work by Eudoxus of Cnidus. Francesco Maurolico translated his works in the 16th century. In addition to the ''Sphaerics'', two other works by Theodosius have survived: ''On Habitations'', describing the appearances of the heavens at different climes, and ''On Days and Nights'', a study of the apparent motion of the Sun. 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「Theodosius of Bithynia」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.