Tag Archives: south polar layered deposits

HiRISE: Silence of the south polar layered deposits

Silence of the south polar layered deposits. Beautiful Mars series.

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HiRISE: South polar spiral

This hill in the South Polar layered deposits has influenced the erosion of the icy layers. The hill protects the layers from erosion, so the pattern of erosion to the sides of the hill forms a beautiful spiral pattern. [More … Continue reading

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HiRISE: Is that an impact crater?

This image was acquired to take a closer look at a circular feature that might be an impact structure on the South Polar layered deposits. Measuring the sizes and frequency of impact craters provides a constraint on the age of … Continue reading

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THEMIS: South polar cap layers

THEMIS Image of the Day, March 3, 2017. This VIS image shows the layering of the South Polar cap of Mars. The image is located at the margin between the cap ice and the surrounding plains (bottom of image). More … Continue reading

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THEMIS: Pages from the south polar climate history book

THEMIS Image of the Day, February 22, 2017. Today’s VIS image shows part of the south polar cap. It is now summer in the region and the surface frosts are gone. The layers of ice comprising the cap are now … Continue reading

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HiRISE: How gas carves channels

A layer of dry ice covers the South Polar layered deposits every winter. In the spring, gas created from heating of the dry ice escapes through ruptures in the overlying seasonal ice, entraining material from the ground below. The gas … Continue reading

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3D images reveal Mars polar ice cap features

Three-dimensional subsurface images are revealing structures within the Martian polar ice caps, including previously obscured layering, a larger volume of frozen carbon dioxide contained in the south polar cap, and bowl-shaped features that may be buried impact craters within both … Continue reading

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HiRISE: Edge of the south pole layered deposit

This image shows the edge of the Martian South Polar layered deposit. The stack of fine layering is highlighted by the rays of the polar sun. These layers show the pervasive red coloring of Mars which have built up over … Continue reading

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THEMIS: South polar ice cap layers

THEMIS Image of the Day, October 3, 2016. This VIS image shows some of the multiple layers of ice that make up the South Polar cap. More THEMIS Images of the Day by geological topic.

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THEMIS: South polar layers of ice and dust

THEMIS Image of the Day, August 25, 2016. Southern hemisphere spring has arrived at the south polar cap. The ice layers that make up the cap are easily seen in this VIS image. More THEMIS Images of the Day by … Continue reading

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