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The year 1607 in science and technology involved some significant events. ==Astronomy== * Johannes Kepler records the appearance and motion of a comet, later to be known as Comet Halley. 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「1607 in science」の詳細全文を読む スポンサード リンク
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