But sometimes, we find craters that look like donuts! Craters not only vary in shape but also in complexity. Most are shaped like circles, some like ovals, and there are even the occasional square craters. Impact craters dominate the lunar landscape. Celestial Objects for Common Telescopes (6th revised ed.). 'Report on Lunar Nomenclature by the Working Group of Commission 17 of the IAU'. Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. A similar-sized lunar dome is located an equal distance to the west, designated Arago Beta (β).Īrago is a crater of Eratosthenian age. To the north is a large lunar dome designated Arago Alpha (α). The surface of the mare nearby is marked by wrinkle ridges, most notably to the east and southeast. There is a central ridge that runs towards the northern wall.

The rim of Arago has a bulge in the western wall. To the southeast is the large Lamont formation that has been submerged by the mare. To the southwest lies the crater Manners, and beyond are Dionysius and the Ritter– Sabine crater pair. It was named after French astronomer François Arago in 1935.

Arago is a lunar impact crater located in the western part of the Mare Tranquillitatis.

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