This scene shows gullies superposed on the inner walls of four large craters. Most of these gullies, imaged by NASA Mars Odyssey spacecraft, appear to emanate from one or two specific layers along the inner crater entire circumference.
This scene shows gullies superposed on the inner walls of four large craters. Most of these gullies, imaged by NASA Mars Odyssey spacecraft, appear to emanate from one or two specific layers along the inner crater entire circumference.