Apod 3.4

Potlemaeus, Alphonsus and Arzachel are 3 large impact craters that lie on the northeastern shores of Mare Nubium. The lunar sea of clouds is shown on nearly the entire picture. Careful examination also reveals the straight wall, a fault and the davy crater chain. overall the striking moonscape is similar to those recorded by ranger 9. There are small mountains in the center of the larger craters that are from impact.