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Al-Marrakushi is a small, relatively isolated lunar impact crater in the eastern Mare Fecunditatis. It is a circular, symmetrical formation, with inner walls that slope down to the midpoint. To the northeast is the prominent crater Langrenus. The mare near Al-Marrakushi is marked by ray material from its larger neighbor. This crater was identified as Langrenus D until it was given a name by the IAU. It was named after Ibn al-Banna al-Marrakushi (c. 1256 – c. 1321). ==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「Al-Marrakushi (crater)」の詳細全文を読む スポンサード リンク
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