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The year 1515 in science and technology included many events, some of which are listed here. ==Astronomy== * The last year in which Earth's so-called "second moon" Cruithne (discovered in 1986) apparently orbits the earth. 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「1515 in science」の詳細全文を読む スポンサード リンク
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