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Encke is a lunar crater that is located on the western edge of the Mare Insularum, to the south-southeast of the crater Kepler. The small crater Kunowsky lies to the east-southeast on the mare. The rim of Encke is low and somewhat polygonal in shape. The tiny craterlet Encke N lies across the western rim. The floor is somewhat uneven, and is covered in ray material from the nearby Kepler. The high albedo of this ejecta makes Encke a bright feature when the Sun is at a high elevation over the lunar surface. ==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 Encke. File:Encke C crater 1154 med.jpg|High-resolution Lunar Orbiter 1 image of Encke C File:Encke C crater AS12-52-7748.jpg|Apollo 12 image of Encke C File:Encke E crater AS12-54-8108.jpg|Apollo 12 image of Encke E File:Encke X crater AS12-54-8108.jpg|Apollo 12 image of Encke X, with its bright ray system 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「Encke (crater)」の詳細全文を読む スポンサード リンク
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