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Vallis Snellius : ウィキペディア英語版 | Vallis Snellius
Vallis Snellius is a linear valley on the near side of the Moon. It is located in the rugged southeastern part of the visible surface, to the south of the Mare Fecunditatis. This feature is radial to the Mare Nectaris basin to the west-northwest, much like Vallis Rheita to the southwest, and the two likely share a common origin. The selenographic coordinates of this feature are , and it has a maximum length of 592 km, making it the longest named valley on the Moon. Although linear, this valley is irregular in shape and has been heavily worn by impact erosion, making it difficult to trace across the surface. The crater Snellius from which it is named lies across the valley, which cuts through the southern half of the crater floor. Near the northern part of the valley is the crater Borda.
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「Vallis Snellius」の詳細全文を読む
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