Tag Archives: polar sand dunes

HiRISE: Dune transition in high southern latitudes

Sand dune populations on Mars can vary widely with respect to morphology, relief, and activity. One of the most striking examples occurs with the many dune fields of the high Southern latitudes. When we venture south of -60 degrees latitude, … Continue reading

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THEMIS: Southern dunes – false color

THEMIS Image of the Day, December 4, 2015. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading

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Opportunity: Endeavour dunes

Sols 4087 and 4090, July 24 and 27, 2015. Opportunity’s Pancam shot this pair of images (in false color by Holger Isenberg) showing the dune field on the floor of Endeavour Crater at the foot of Marathon Valley. The rover … Continue reading

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THEMIS: Proctor Crater dunes

THEMIS Image of the Day, April 28, 2015. Today’s VIS image shows part of the dune field on the floor of Proctor Crater. More THEMIS Images of the Day by geological topic.

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THEMIS: More polar dunes

THEMIS Image of the Day, July 21, 2014. This VIS image shows part of the large dune field called Olympia Undae. There are hills in this region, and the dunes are concentrated in the lower elevations. More THEMIS Images of … Continue reading

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THEMIS: Apledon Undae

THEMIS Image of the Day, July 14, 2014. This VIS image shows part of Aspledon Undae, a region of dunes near the north pole. The right side of the image shows hundreds of small, isolated dunes. On the left side … Continue reading

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THEMIS: More polar dunes

THEMIS Image of the Day, July 10, 2014. Today’s VIS image shows more north polar dunes. More THEMIS Images of the Day by geological topic.

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THEMIS: North polar dunes

THEMIS Image of the Day, July 8, 2014. Today’s image is part of Olympia Undae, but unlike yesterday’s image, there is more topography in this region. The dunes are forming in the lower elevations, but can migrate up the sides … Continue reading

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THEMIS: Hyperborei Cavi

THEMIS Image of the Day, July 1, 2014. This VIS image shows Hyperborei Cavi — the low regions on the right side of the image. Dunes are found both in the lows and on the higher region on the left … Continue reading

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HiRISE: Bright deposits on dunes

Beautiful Mars series. Bright deposits on dunes. More Beautiful Mars images.

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