Tag Archives: pedestal craters

HiRISE: Preserving ice from a vanished terrain

Posted on July 31, 2014 by rburnham

This HiRISE image shows what is termed a pedestal crater, so-called because the level of the surface adjacent to the crater is elevated relative to the surface of the surrounding terrain. The raised surface has patterns and a general outline … Continue reading →

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HiRISE: Polygons, dust devil tracks, inverted craters

Posted on June 16, 2014 by rburnham

Beautiful Mars series. Polygons, dust devil tracks, and inverted craters. More Beautiful Mars images.

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HiRISE: Pedestal crater in Eumenides Dorsum

Posted on April 9, 2014 by rburnham

Beautiful Mars series. Pedestal crater in the Eumenides Dorsum region. More Beautiful Mars images.

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THEMIS: Dust devil tracks

Posted on March 31, 2014 by rburnham

THEMIS Image of the Day, March 31, 2014. A multitude of dust devil tracks mark the suface in this region of Utopia Planitia. More THEMIS Images of the Day by geological topic.

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THEMIS: Dust devil tracks in Utopia

Posted on March 11, 2014 by rburnham

THEMIS Image of the Day, March 11, 2014. Today’s VIS image shows dust devil tracks covering most of the surface in this region of Utopia Planitia. More THEMIS Images of the Day by geological topic.

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THEMIS image: More Utopia dust devils

Posted on February 12, 2014 by rburnham

THEMIS Image of the Day, February 12, 2014. Today’s VIS image shows a different part of Utopia Planitia than yesterday’s image. Both are marked with hundreds of dust devil tracks. More THEMIS Images of the Day by geological topic.

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THEMIS image: Dust devil tracks in Utopia

Posted on February 11, 2014 by rburnham

THEMIS Image of the Day, February 11, 2014. The dark markings in this VIS image are tracks made by the passage of “dust devils”. Dust devils are common in the extensive plains of the northern latitudes. This image is located … Continue reading →

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Mini pedestal craters suggest tropical ice deposits

Posted on January 17, 2012 by rburnham

Craters surrounded by debris aprons that stand above the surrounding surface are known as pedestal craters. Scientists think the slab-like apron of ejecta around such craters covers layers that are rich in water ice. Nearly all pedestal craters found so … Continue reading →

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Peeking into a stacked deck

Posted on June 7, 2011 by rburnham

No one is planning to send a Mars rover into the high latitudes (north or south) anytime soon, but if a paper in Icarus (June 2011) by Seth J. Kadish and James W. Head (both Brown University) is correct, scientists … Continue reading →

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