Earth's Moon - Apollo 15

Surface picture of astronaut, rover and rim of Hadley Rille on the Moon

Earth's Moon
Apollo 15 astronaut James Irwin and the rover at the edge of Hadley Rille on the Moon. David Scott took this Hasselblad picture looking northwestward from the flank of St. George crater. The rille has been widened and made shallower over time by wasting from the walls. Talus blocks are visible on the walls and on the floor of the rille. (Apollo 15, AS15-85-11451) 

Moon
Moon: Geology