https://www.dlr.de/en/images/2014/3/topographic-context-map-of-the-northwest-of-hellas-planitia_16092
Topographic context map of the northwest of Hellas Planitia
Hellas Planitia is the best preserved and largest known impact basin on Mars. It has a diameter of roughly 2200 kilometres. At its deepest points, the bottom...
of thehellas planitiatopographiccontextmap