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Keeler Crater is a crater in the Phaethontis quadrangle of Mars, located at 61.0°S latitude and 151.3°W longitude. It is 95.0 km in diameter and was named after James Edward Keeler, and the name was approved in 1973. The first image below shows the relationship among three craters that are near each other. Keeler Crater is to the North of Trumpler Crater. After Keeler was formed, a later impact formed Trumpler Crater, and in the process destroyed part of Keeler. Wikikeelertrumplerwright.png|MOLA image showing the relationship among Wright, Keeler, and Trumpler Craters. Colors indicate elevations. Wikikeeler.jpg|Keeler Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter). Wikitrumplerdunes.jpg|Enlargement of dunes along northern wall (near top of image) of Trumpler Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter). Dark lines at the top are dust devil tracks on the floor of Keeler Crater. Note: this is an enlargement of the previous image of Keeler Crater. ==See also== * Climate of Mars * Geology of Mars * Impact crater * List of craters on Mars 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「Keeler (Martian crater)」の詳細全文を読む スポンサード リンク
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