Tags: Crater.
Pettit is a lunar impact crater that lies near the western limb of the Moon. In this location the crater is viewed nearly from the side by observers on Earth and visibility can be significantly affected by libration effects.The crater lies among the rugged features of the Montes Rook the inner ring of mountains that surround the Mare Orientale impact basin. It is nearly a twin of the crater Nicholson which lies less than one crater diameter to the northeast.