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Keelut is a crater on Jupiter's moon Callisto. It is situated near the south pole and is an example of a central pit impact crater. It measures 47 km across. In the upper part of the image degraded Reginleif crater is visible. == 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「Keelut (crater)」の詳細全文を読む スポンサード リンク
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