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Pannekoek is a lunar impact crater that is situated on the far side of the Moon, and cannot be seen directly from the Earth. The crater lies along the northern edge of the slightly larger Dellinger, and their common border forms an area of uneven terrain. Due north of Pannekoek is the huge walled plain Mendeleev. This is a worn and eroded crater, although the perimeter of the rim is still visible. The southern part of the interior floor is jumbled and irregular. There is a small crater next to the inner wall along the west-southwest part of the floor. A smaller crater also lies in the interior along the northeast inner wall. There are also several small craterlets on the floor. ==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 Pannekoek. Pannekoek's satellite craters were well photographed during Apollo 11: File:Pannekoek A crater AS11-42-6331.jpg|Pannekoek A File:Pannekoek D crater AS11-38-5578.jpg|Pannekoek D File:Pannekoek T crater AS11-38-5581.jpg|Pannekoek T File:Pannekoek T crater AS11-42-6330.jpg|Pannekoek T 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「Pannekoek (crater)」の詳細全文を読む スポンサード リンク
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