Tag Archives: south polar layered deposits

HiRISE: Pits in the south polar layered deposits

Pits in the south polar layered deposits. Beautiful Mars series.

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Radar gives new info on Mars climate change, polar cap ages

Three-dimensional (3-D) subsurface radar volumes generated from thousands of 2-D radar profiles are revealing new information about the polar regions of Mars, including more accurate mapping of CO2 and water ices, the discovery of buried impact craters, and new elevation … Continue reading

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HiRISE: Tiny spiders off south polar layered deposits

Tiny spiders off south polar layered deposits. Beautiful Mars series.

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THEMIS: Southern ice cap layers

THEMIS Image of the Day, June 30, 2017. Do you see what I see? Looks like a plank of wood, with a beautiful grain to it. (THEMIS Art #137) More THEMIS Images of the Day by geological topic.

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THEMIS: Frost and south polar trough layers

THEMIS Image of the Day, June 26, 2017. Do you see what I see? Don’t be afraid, but it looks like a ghost! (THEMIS Art #133) More THEMIS Images of the Day by geological topic.

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HiRISE: Erosion of the edge of the south polar layered deposits

This oblique view of the sloping edge of the stack of icy layers over the South Pole has some interesting morphologies. The slope appears to be eroding from a combination of landslides, block falls, and sublimation. The bright icy exposure … Continue reading

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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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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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