Tag Archives: sublimation

THEMIS: Swiss cheese and other ice cap textures

THEMIS Image of the Day, October 31, 2018. There are several different surface textures in the South Polar ice. The surface in this image with the round/semi round depressions is informally called Swiss cheese. See more THEMIS Images of the … Continue reading

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HiRISE: Debris apron-like textures in Nereidum Montes

Debris apron-like textures in Nereidum Montes. These textures resemble sublimation and extension features seen on debris apron surfaces. Beautiful Mars series.

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HiRISE: Dune erosion and streaks

Dune erosion and streaks. One of the many seasonal images we take to detect changes. In this case, we want to quantify the process of erosion driven by sublimation on the dunes. (Sublimation is the process of going directly from … Continue reading

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Sublimation of water can levitate sediments for downslope movement

Scientists from The Open University (OU) have discovered a process that could explain the long-debated mystery of how land features on Mars are formed in the absence of significant amounts of water. Experiments carried out in the OU Mars Simulation … Continue reading

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Martian winters are shaping the landscape

Researchers based millions of kilometres from Mars have unveiled new evidence for how contemporary features are formed on the Red Planet. Their innovative lab-based experiments on carbon dioxide (CO2) sublimation – the process by which a substance changes from a … Continue reading

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HiRISE: On a field of sublimation

On a field of sublimation – Sublimation is a process where a solid directly turns into a gaseous state. Beautiful Mars series.

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HiRISE: Barchan dune wonderland

Barchan dune wonderland — The dark spots are the result of sublimation. Beautiful Mars series.  

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HiRISE: Seasonal sublimation site

Seasonal sublimation site. Beautiful Mars series.

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Spiral troughs in Mars polar caps are born in ‘cyclic steps’

Both Martian polar caps have deep spiral troughs that slice into them for dozens or hundreds of kilometers, but their origin and development has been much debated by scientists. New work by a team of researchers led by Isaac Smith … Continue reading

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