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Meitner is an impact crater on the far side of the Moon, behind the eastern limb. It lies to the northwest of the crater Kondratyuk, and about a crater diameter to the west of Langemak. This crater has relatively well-defined features that have not been significantly eroded by subsequent impacts. The rim edge is roughly circular, with a slight outward bulge along the southern edge. The small satellite crater Meitner C lies across the rim and inner wall to the northeast. Sections of the inner wall display terrace features. The interior floor of Meitner is relatively level, with a small craterlet just to the southwest of the midpoint and another along the northwest inner wall. Apollo 8, the first manned mission to orbit the moon, happened to fly directly over Meitner (among many other craters) and obtained high-resolution photographs of the interior. ==Satellite craters== By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Meitner. File:Meitner C crater AS15-P-9036.jpg|Apollo 15 image of Meitner C 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「Meitner (lunar crater)」の詳細全文を読む スポンサード リンク
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