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Pupin is a tiny lunar impact crater located in the eastern part of the Mare Imbrium. It lies to the southeast of the crater Timocharis, and was identified as Timocharis K prior to being renamed by the IAU. The mare near Pupin is otherwise devoid of significant impact craters, and is nearly featureless except for a faint dusting of ray material. Despite its apparent diminutive size, Pupin is actually larger than the famous Barringer crater in Flagstaff, Arizona. ==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「Pupin (crater)」の詳細全文を読む スポンサード リンク
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