Tag Archives: south polar region

HiRISE: Shield wall

Posted on May 27, 2015 by rburnham

Shield wall — Wonderful terrain the Martian South Pole, with terrific examples of sublimation and polygonal cracks from expansion and contraction due to seasonal changes. Beautiful Mars series.

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THEMIS: Angustus Labyrinthus

Posted on April 27, 2015 by rburnham

THEMIS Image of the Day, April 27, 2015. The intersecting ridges in this VIS image are called Angustus Labyrinthus. They were formed due to tectonic activity. More THEMIS Images of the Day by geological topic.

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THEMIS: Cavi Angusti

Posted on April 17, 2015 by rburnham

THEMIS Image of the Day, April 17, 2015. This VIS image shows layering and linear ridges in Cavi Angusti. This region is near the south polar cap. More THEMIS Images of the Day by geological topic.

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HiRISE: Seasonal frost enhances polygon visibility

Posted on March 31, 2015 by rburnham

Unleash the Polygons! Beautiful Mars series.

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HiRISE: Frosty shoreline

Posted on February 12, 2015 by rburnham

The frosty shoreline. The frost is carbon dioxide, and the dark material is the result of sublimation, when a solid transforms directly to a gas, exposed now on lighter ground. Beautiful Mars series.

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HRSC: Cappuccino swirls at Mars’ south pole

Posted on February 9, 2015 by rburnham

Swirls of chocolate, caramel and cream – this image is definitely one to trigger sweet-toothed cravings. Smooth cream-coloured plateaus surrounded by cocoa-dusted ridges interspersed with caramel-hued streaks create a scene reminiscent of a cosmic cappuccino. This picture is, perhaps surprisingly, … Continue reading →

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THEMIS: Dune texture

Posted on February 4, 2015 by rburnham

THEMIS Image of the Day, February 4, 2015. This image contains the margin of the south polar cap (bottom half) and dunes in an unnamed crater (top half). Part of the crater is covered by ice, which may affect the … Continue reading →

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HiRISE: Interesting region of Chasma Australe

Posted on January 30, 2015 by rburnham

Interesting region of Chasma Australe. This chasma originates near the South Pole and runs across the polar troughs over a distance of approximately 500 kilometers. Beautiful Mars series.

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HiRISE: Spring in Inca City, I-V

Posted on November 16, 2014 by rburnham

A significant event has occurred in Inca City. The layer of seasonal ice has started to develop long cracks. This is visible in the orange-colored band adjacent to the araneiforms. Fans of dust are emerging from long linear cracks. The … Continue reading →

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THEMIS: Angustus Labrynthus

Posted on October 9, 2014 by rburnham

THEMIS Image of the Day, October 9, 2014. This region of linear, intersecting ridges near the south pole is called Angustus Labyrinthus. More THEMIS Images of the Day by geological topic.

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