Sirenum Fossae in the Southern Highlands
Sirenum Fossae in the Southern Highlands
Perspective view of Sirenum Fossae in the Southern Highlands of Mars. The image shows the region centred at about 28°S, 185°E. It extends roughly 230 by 127 kilometres covering 29,450 square kilometres, an area roughly the size of Belgium. The largest impact crater here is about 50 kilometres in diameter, and indicates that this region is ancient because such large craters rarely formed in more recent times.