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Ripples in Tempe Mensa
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Ripples in Tempe Mensa

February 6, 2004
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows large windblown ripples (or, some might say, small dunes) in troughs between mesas of the Tempe Mensa region. The ripples are generally perpendicular to the trough walls, indicating that the local winds responsible for creating the features blew through these canyons. The image is located near 33.5°N, 69.2°W. The picture covers an area 3 km (1.9 mi) wide; sunlight illuminates the scene from the lower left.