From NASA's Planetary Photojournal
This image shows a fluid-scoured surface in the Hrad Vallis system of Mars, located northwest of Elysium Mons. The fluid is presumed to have been water.
Image Title: Hrad Vallis
Catalog #: PIA02076
Target Name: Mars
Spacecraft: Mars Global Surveyor Orbiter
Back to Mars photographs index.
Last Modified On: Monday, December 18, 2000