Tag Archives: dust devil tracks

THEMIS: Dust devil tracks in Aonia Terra

THEMIS Image of the Day, February 20, 2017. Today’s VIS image shows dust devil tracks on the plains of Aonia Terra. As the dust devil moves across the surface it scours the fine dust particles, revealing the darker rock surface … Continue reading

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HiRISE: Scars of erosion

This large crescent dune in Kaiser Crater shows the scars of many types of seasonal erosional activities. Along its downwind slope are large gullies which are active during winter, when frost drives dune material downslope, carving out channels and creating … Continue reading

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THEMIS: Dust devil tracks in Argyre

THEMIS Image of the Day, January 23, 2017. Today’s VIS image shows dust devil tracks in Argyre Planitia. The dark streaks are made by dust devil activity scouring the surface and removing the lighter toned dust to reveal the darker … Continue reading

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THEMIS: Wind streaks in Gusev Crater

THEMIS Image of the Day, December 12, 2016. Today’s VIS image shows some of the numerous dark linear streaks on the floor of Gusev Crater. These streaks are formed by wind action. The dark streaks are where dust devils have … Continue reading

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HiRISE: Periglacial terrain & dust devil tracks

Periglacial terrain. Beautiful Mars series.

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THEMIS: Dust devil tracks across Terra Cimmeria

THEMIS Image of the Day, October 11, 2016. Today’s false color image shows dust devil tracks (the dark blue linear features) in Terra Cimmeria. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple … Continue reading

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THEMIS: Gusev Crater

THEMIS Image of the Day, October 7, 2016. Today’s VIS image shows the part of the floor of Gusev Crater with the Columbia Hills. Numerous dark linear markings were created by dust devil action. The Columbia Hills are where the … Continue reading

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HiRISE: Barchan dunes

Consider the barchan dune. Beautiful Mars series.

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HiRISE: Little crater on the plains

Little crater on the plains. Beautiful Mars series.

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Computer-simulated dust devils may improve Mars weather forecasts

Future manned missions to Mars could face a formidable phenomenon: towering red dust devils. These columns of wind-whipped sand and dust, some small and some 10 times taller than Earth’s tornadoes, have been spied on Mars by satellites and surface … Continue reading

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