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Chekov is a crater on Mercury. It has a diameter of 199 kilometers. Its name was adopted by the International Astronomical Union in 1976. Chekov is named for the Russian author Anton Chekhov, who lived from 1860 to 1904. ==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「Chekov (crater)」の詳細全文を読む スポンサード リンク
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