Mars Global Surveyor
Mars Orbiter Camera

Chasma Boreale Dunes

MGS MOC Release No. MOC2-517, 18 October 2003

NASA/JPL/Malin Space Science Systems

Frost covers dark sand dunes in this springtime view from Chasma Boreale in the martian north polar region. Dark spots indicate areas where the cold, carbon dioxide frost has begun to sublime away. This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image is located near 84.7°N, 359.3°W and covers an area 3 km (1.9 mi) wide. The scene is illuminated by sunlight from the lower left.

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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.

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