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Lucian is a tiny lunar impact crater that is located in the northeastern part of the Mare Tranquillitatis. The nearest named craters are Lyell to the east-southeast, Theophrastus to the northeast, and Gardner to the north-northeast. A little farther to the north is Maraldi crater. Lucian was previously designated Maraldi B before being named by the IAU. This is a circular, cone-shaped formation with a negligible interior floor. It has not been significantly degraded by impact erosion. ==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「Lucian (crater)」の詳細全文を読む スポンサード リンク
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