Mars Orbiter Mission: Arabia Terra

Mars Color Camera image taken October 22, 2015, at an altitude of 14,893 km with a resolution of 774 meters. Arabia Terra is a large upland region in the north of Mars located mostly in the Arabia quadrangle. It is densely cratered and heavily eroded. This battered topography indicates great age, and Arabia Terra is presumed to be one of the oldest terrains on the planet. Gill Crater is an impact crater in the Arabia quadrangle of Mars. [More at link]