Tag Archives: ice

THEMIS: Polar layers

THEMIS Image of the Day, July 2, 2014. This VIS image very clearly shows the layering that is found in both polar caps. This image is of the north polar cap. More THEMIS Images of the Day by geological topic.

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THEMIS: Crater fill

THEMIS Image of the Day, June 25, 2014. This unnamed crater in this VIS image is located on the margin between Terra Sabaea and Utopia Planitia and is filled with material with a grooved surface. The grooves parallel the crater … Continue reading

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HiRISE: Translucent ice on dunes

Beautiful Mars series. Translucent ice on dunes. More Beautiful Mars images.

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HiRISE: Blockfall on north polar layered deposits

The north polar layered deposits (NPLD) are a stack of layers of ice and dust at the North Pole of Mars. The layers are thought to have been deposited over millions of years, as the atmosphere changed in response to … Continue reading

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HiRISE: Moving mass material on a mesa

This image appears to show some type of mass movement of material down the wall of a mesa in Deuteronilus Mensae. Also visible is an arc-shaped ridge at the end of the valley. The ridge may be a moraine from … Continue reading

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THEMIS: Mamers Valles

THEMIS Image of the Day, June 19, 2014. The channels in this VIS image are part of a complex valley system called Mamers Valles. Mamers Valles is located on the northern margin of Arabia Terra. More THEMIS Images of the … Continue reading

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THEMIS: North polar layers

THEMIS Image of the Day, June 9, 2014. This VIS image shows the layering of the north polar cap. Such layering is visible on the sides of troughs carved into the ice. More THEMIS Images of the Day by geological … Continue reading

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Habitable environments at Arsia Mons?

Arsia Mons is one of the giant volcanos of Tharsis — Mars’ third tallest, in fact. During past cycles of climate change, it accumulated a large fan-shaped deposit of glacial ice on its northwest flank. (The other tall Tharsis volcanos … Continue reading

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HiRISE: What gullies can say

Right past the sharp, but warped rim of this ancient impact crater are deposits of winter frost, which show up as blue in enhanced color. There are two possible science goals that we can study here: what does the terrain…. … Continue reading

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HiRISE: Evidence of ice and rock in crater

Beautiful Mars series. Evidence of ice and rock in crater near side channel of Mamers Valles. More Beautiful Mars images.

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