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Gregory (lunar crater)
Gregory is a lunar crater on the far side of the Moon. It is located to the southeast of the crater Ibn Firnas, and north-northeast of Bečvář. About one crater diameter to the north is the smaller Morozov.
This is a worn and eroded crater formation. The northern rim is degraded due to impacts. Attached to the exterior of the southwest is Gregory Q, a satellite crater about the same size as Gregory. Within the interior is the remains of a small crater rim along the northwestern inner wall.
To the east of Gregory and leading away to the southeast is a crater chain designated Catena Gregory.
==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 Gregory.
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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