Tag Archives: ice cap

THEMIS: Polar trough

Posted on December 5, 2014 by rburnham

THEMIS Image of the Day, December 5, 2014. This VIS image shows one of many troughs located on the south polar cap. More THEMIS Images of the Day by geological topic.  

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THEMIS: South polar layers

Posted on October 28, 2014 by rburnham

THEMIS Image of the Day, October 28, 2014. Today’s VIS image shows layering in the south polar cap. More THEMIS Images of the Day by geological topic.  

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THEMIS: South polar layers

Posted on September 29, 2014 by rburnham

THEMIS Image of the Day, September 29, 2014. Today’s VIS image shows layering in the south polar cap. More THEMIS Images of the Day by geological topic.

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THEMIS: Polar layers

Posted on August 15, 2014 by rburnham

THEMIS Image of the Day, August 15, 2014. This VIS image shows the layering of the north polar cap. More THEMIS Images of the Day by geological topic.

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THEMIS: Rupes Tenuis

Posted on July 9, 2014 by rburnham

THEMIS Image of the Day, July 9, 2014. The cliff face in this VIS image is called Rupes Tenuis (rupes = scarp). The polar cap is the higher region to the left and the plains are located on the right … Continue reading →

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HiRISE: Polar trough

Posted on July 1, 2014 by rburnham

Polar trough. Beautiful Mars series.

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THEMIS: Polar layers

Posted on May 9, 2014 by rburnham

THEMIS Image of the Day, May 9, 2014. This VIS image shows the layering of the ice at the north pole. More THEMIS Images of the Day by geological topic.

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Southern polar eskers point to warmer past

Posted on March 16, 2012 by rburnham

Ice caps and glaciers on Mars today are “cold based,” meaning they are frozen solid to the ground beneath them. Scientists think the ice has been this way for most of the Amazonian period, the latest chapter in Mars’ geological … Continue reading →

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Ice cap winds spread polar gypsum

Posted on February 21, 2012 by rburnham

The north polar cap of Mars is surrounded by a vast dune field, about as large as Earth’s Kalahari Desert, that contains extensive deposits of gypsum. The gypsum’s origin has been debated since the mineral was discovered in 2005, yet … Continue reading →

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