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Old Martian Valley
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Old Martian Valley

December 19, 2003
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows an ancient, unnamed, martian valley in the Xanthe Terra region, located near 3.3°S, 54.9°W. This valley might have been a conduit for flowing water, but there is no way to be certain because it is so old that none of its original features have been preserved. Bright, windblown ripples are now found on the valley floor. The image covers an area 3 km (1.9 mi) wide; sunlight illuminates the scene from the left.


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