The Moon - Lunar Orbiter 5

Sinuous rilles in the Marius Hills region on the Moon

The Moon
Lunar Orbiter 5 image of the plateau west-northwest of Marius crater on the Moon. Note the two sinuous rilles which cut across a ridge at the center of the image. Also visible are volcanic domes and cones. The image is 95 km across and north is up. (Lunar Orbiter 5, frame M-215) 

Moon
Moon Geology
Volcanism in the Solar System