Aristarchus is a lunar impact crater that lies in the northwest part of the Moon's near side. It is considered the brightest of the large formations on the lunar surface, with an albedo nearly double
Lunar Orbiter 4 image
LRO NAC image of the central peak, with colors showing variations in the composition
Aristarchus (center) and Herodotus (right) from Apollo 15. NASA photo.
Picture showing Aristarchus and its satellite craters.
Krieger is a lunar impact crater on the eastern part of the Oceanus Procellarum. It is located to the north-northwest of the flooded crater Prinz, and north-northeast of the prominent ray crater Arist