
Arda Valles
EU–(ENEWSPF)–18 February 2016. Water has left its mark in a variety of ways in this martian scene captured by ESA’s Mars Express.
The region lies on the western rim of an ancient large impact basin, as seen in the context map. The image shows the western part of the Arda Valles, a dendritic drainage system 260 km north of Holden Crater and close to Ladon Valles.
Vast volumes of water…






