Tag Archives: dust devil tracks

HiRISE: Within a crater in the Southern Highlands

Within a crater in the Southern Highlands. This is a very ancient crater, long filled-in. You can see polygonal patterns in the terrain, mainly due to the contraction of subsurface ice as the seasons change. Beautiful Mars series.

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HiRISE: Dunes, slopes, and dust devil tracks

Dunes and slopes. Beautiful Mars series.

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HiRISE: The specters of Mars

The jagged saw-tooth dichotomy, over a grainy texture, seen in this close-up image, reminds us of a scene from an old silent horror movie. Stark and unnerving, like that time between dusk and darkness, as the campfire burns out…was that … Continue reading

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HiRISE: Sliding ice block dunes

Sliding ice block dunes. Beautiful Mars series.

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THEMIS: Dunes, dust devil tracks, and wind streaks on northern polar lowlands

THEMIS Image of the Day, June 21, 2017. Do you see what I see? Look out, a barrage of bullets is headed our way! (THEMIS Art #130) More THEMIS Images of the Day by geological topic.

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HiRISE: Valleys on Darwin Crater rim and wall

Valleys on east rim and wall of Darwin Crater imaged by Viking — Viking Image 571B01. Beautiful Mars series.

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HiRISE: Dust devil tracks on southern crater rim

Southern crater rim. Beautiful Mars series.

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THEMIS: Dust devil scrawls in Aonia Terra

THEMIS Image of the Day, March 6, 2017. This VIS image show dust devil tracks in Aonia Terra. As the dust devil moves along the surface it scours the dust and fine materials away, revealing the darker rocky surface below … Continue reading

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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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