Tag Archives: south polar ice cap

THEMIS: Fragments of a climate history book

THEMIS Image of the Day, May 8, 2017. Today’s VIS image shows layered material near the south polar cap. Such layers contain a detailed, if partial, history of the martian climate. Scientists would love to read this “book,” however fragmentary, … Continue reading

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THEMIS: South polar ice in false color

THEMIS Image of the Day, April 18, 2017. Today’s false color image shows part of the south polar cap. This part lies adjacent to the area shown yesterday. The THEMIS VIS camera contains 5 filters. The data from different filters … Continue reading

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HiRISE: Immature spider terrain

Immature spider terrain — Completely in need of adult supervision, obviously. Beautiful Mars series.

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THEMIS: South polar ice cap in false color

THEMIS Image of the Day, April 17, 2017. Today’s false color image shows a trough in the south polar cap. Layering in the ice can be seen at the bottom of the image. The THEMIS VIS camera contains 5 filters. … 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: Wide, branching channels

Southern spring on Mars brings sublimation of the seasonal dry ice polar cap. Gas trapped under the seasonal ice sheet carves channels on its way to escaping to the atmosphere. At this site, the channels are wider than we see … Continue reading

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HiRISE: South polar residual ice cap

At the south polar residual cap. Beautiful Mars series.

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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: Coolest landscape on Mars or Earth

Many Martian landscapes contain features that are familiar to ones we find on Earth, like river valleys, cliffs, glaciers and volcanos. However, Mars has an exotic side too, with landscapes that are alien to Earthlings. This image shows one of … Continue reading

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