Craters in the center of Apollo basin (36°S, 209°E) named after Space Shuttle Challenger astronauts, LROC WAC mosaic, ~190 km wide [NASA/GSFC/Arizona State University].
The beginning, or end, of a short rille in Aitken crater. This rille is 5 km long and 600 m wide. LROC NAC M149391207, image width is 900 m [NASA/GSFC/Arizona State University].
Boulders eroding out of the hillslope and concentrated between two hills. NAC image M143480262, image width is 700 m [NASA/GSFC/Arizona State University].
Small crater within Aitken crater. It has a terraced and hummocky floor, with boulders strewn about, and no bright rays. NAC image M145855135RE, image width is 700 m [NASA/GSFC/Arizona State University].