Almost Silent Rolling Stones in Kasei Valles

This observation from NASA Mars Reconnaissance Orbiter shows the very steep side of a plateau, part of the northern limit of the Kasei Valles system, which is one of the largest outflow channel systems on Mars.

This observation from NASA Mars Reconnaissance Orbiter shows the very steep side of a plateau, part of the northern limit of the Kasei Valles system, which is one of the largest outflow channel systems on Mars.