Melas Chasma is part of the huge Valles Marineris rift valley on Mars. Melas Chasma itself sinks 9 km below the surrounding surface, making it one of the lowest depressions on the planet. On 1 July 2006, the DLR-operated High Resolution Stereo Camera on ESA’s Mars Express spacecraft obtained images of Melas Chasma at approximately 10 degrees South and 290 degrees East. The data were acquired during orbit 3195 and this image was derived from the HRSC nadir channel, which provides the highest detail of all the channels.
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