Mars Odyssey Mission THEMIS: Feature Image: Southern Sand Dunes (Released 15 January 2003)

Vital Statistics
Location: -34.7N, 291.5E	Released: 2003-01-15
Image Size: 17.4 x 62.0 km, 1024 x 3648 px
Resolution: 17m	Instrument: VIS

Image Credit: NASA/JPL/ASU

Image Context:
Context image for 20030115a

Wide Context:
Wide context image for 20030115a

Context image credit: NASA/JPL/MOLA
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Detailed information on this image is available at the THEMIS Data Releases website.

Please see the THEMIS Data Citation Note for details on crediting THEMIS images.

At first glance, this THEMIS image showing impact craters and linear ridges and troughs is typical of the southern highlands. However, upon closer examination migrating sand dunes are observed within the troughs. Sandy material can often accumulate in these narrow depressions and become mobilized by the wind.