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Ross (lunar crater)
Ross is a lunar crater that is located in the northwest part of the Mare Tranquillitatis. It lies south-southwest of the crater Plinius, and northwest of the lava-flooded Maclear.
This crater has a generally circular shape, but is not quite symmetrical. The inner walls slope down to a base of slumped material, before joining a relatively level interior floor. There is a low ridge to the west of the crater midpoint.
This should not be confused with the similarly named crater Rosse, which is located farther to the northeast.
==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 Ross.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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