Galen (crater)

Galen is a small lunar impact crater that lies in the rugged region between the Montes Apenninus range to the west and the Montes Haemus in the east. It is located to the south-southeast of Aratus crater, a slightly larger formation. Further to the west is Conon crater, near the flanks of the Montes Apeninnus. Galen was previously designated 'Aratus A' before being given a name by the IAU.

General characteristics
Latitude 21.9° N
Longitude 5.0° E
Diameter 10 km
Depth 1.6 km
Colongitude   355° at sunrise
Eponym Claudius Galen
References See listing

This is a circular crater with a bowl-shaped interior and a sharp rim that has not undergone significant erosion. The small interior floor has a lower albedo than the surrounding walls.

"Ancient Greeks on the Moon"

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