- Press Release
- Dec 4, 2022
NASA Mars Picture of the Day: Gullied Slope 03-21-2004
Mars Global Surveyor Mars Orbiter Camera
MGS MOC Release No. MOC2-671, 20 March 2004
NASA/JPL/Malin Space Science Systems
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC)
image shows gullies and debris aprons in a crater
near 38.5°S, 174.5°W. Gullies such as these
may have formed by running water, carbon dioxide, or dry
mass movement processes. Most investigators of martian gullies
consider that water, whether fresh or briney, may have been
This picture covers an area about 3 km (1.9 mi) across.
Sunlight illuminates the scene from the upper left.
Malin Space Science Systems and the California Institute of Technology
built the MOC using spare hardware from the Mars Observer mission.
MSSS operates the camera from its facilities in San Diego, California.
The Jet Propulsion Laboratory’s Mars Surveyor Operations Project
operates the Mars Global Surveyor spacecraft with its industrial
partner, Lockheed Martin Astronautics, from facilities in Pasadena,
California and Denver, Colorado.