Tag Archives: Chasma Boreale

THEMIS: Frosty dunes in Hyperboreae Undae

THEMIS Image of the Day, August 5, 2019. Several dune fields encircle the north polar cap. Hyperboreae Undae is one of them, located near Escorial Crater and Chasma Boreale. This VIS image was taken during the spring season, when the … Continue reading

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THEMIS: Chasma Boreale in false color

THEMIS Image of the Day, February 25, 2019. This false color image is located near the head of Chasma Boreale, a large trough in the north polar cap. The floor of the trough is mostly ice free. The linear features … Continue reading

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HiRISE: The source of dunes in Chasma Boreale

The source of dunes in Chasma Boreale. This image shows dunes during the summer, when they were free from the seasonal layer of carbon dioxide ice that covers the region for much of the year. These dunes, which are near … Continue reading

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HiRISE: Dune swarm!

Dune swarm!  These dunes mean business here in Chasma Boreale. Beautiful Mars series. [More at links]

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HiRISE: Tracking dune-alcove changes within Chasma Boreale dunes

Tracking dune-alcove changes within Chasma Boreale dunes. Beautiful Mars series. [More at links]

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HiRISE: Defrosting dunes within Chasma Boreale

This image shows a dune field in Chasma Boreale, which is a large trough that cuts into the North Polar ice cap. Some of the dunes in this image are quite long and sinuous with a slight bulge at one … Continue reading

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MEX: Swirling spirals at the north pole of Mars

A new mosaic from ESA’s Mars Express shows off the Red Planet’s north polar ice cap and its distinctive dark spiralling troughs. The mosaic was generated from 32 individual orbit ‘strips’ captured between 2004 and 2010, and covers an area … 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: Tracking dune changes in Chasma Boreale

Tracking dune changes in Chasma Boreale. Beautiful Mars series.

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THEMIS: Boreum Cavus

THEMIS Image of the Day, May 26, 2016. This VIS image shows part of Boreum Cavus, at the interior end of Chasma Boreale. The layered polar ice is easily identified in the upper part of the image. Boreum Cavus is … Continue reading

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