This image from NASA Mars Reconnaissance Orbiter covers a small portion of the northwest quadrant of Hellas Basin, or Hellas Planitia, on southern Mars; Hellas is one of the largest impact craters in the solar system.
This image from NASA Mars Reconnaissance Orbiter covers a small portion of the northwest quadrant of Hellas Basin, or Hellas Planitia, on southern Mars; Hellas is one of the largest impact craters in the solar system.