Pits and depression features near the south pole of Mars
March 20, 2003
High-resolution Mariner 9 image showing an area of irregular pits and depressions near the south pole of Mars. The depressions have flat floors and smooth walls. Similar features are formed on Earth by the scouring action of wind.
Topics: Environment, Mars, Astronomy, Planetary science, Mare Australe quadrangle, Mare Boreum quadrangle