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Delambre (crater) : ウィキペディア英語版 | Delambre (crater)
Delambre is a lunar impact crater that lies to the southwest of Mare Tranquillitatis, in the central highland region. To the west is the crater pair of Theon Junior and Theon Senior, the latter being more distant and located to the northwest. It is 52 kilometers in diameter and 3.5 kilometers in depth. It was named for Jean Baptiste Joseph Delambre, an 18th-century French astronomer.〔''Autostar Suite Astronomer Edition''. CD-ROM. Meade, April 2006.〕 The rim of Delambre has a terraced interior, with a tiny craterlet lying along the northern rim. In the south is a low cut forming a slight notch. The crater interior has an irregular surface. It has high walls, with some peaks reaching 15,000 feet. Delambre was the landing site of the unmanned probe Ranger 8, which took photographs of the crater. Delambre is from the Upper Imbrian epoch, which lasted from 3.8 to 3.2 billion years ago.〔〔Moore, Patrick (2001). ''On the Moon''. Sterling Publishing Co.. ISBN 0-304-35469-4.〕 ==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 Delambre.
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「Delambre (crater)」の詳細全文を読む
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