Tag Archives: ice

THEMIS: South polar textures

Posted on November 20, 2014 by rburnham

THEMIS Image of the Day, November 20, 2014. This VIS image of the south polar cap shows many different surface textures as well as layering. More THEMIS Images of the Day by geological topic.

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Early Mars warmth, flowing water: episodic only

Posted on November 19, 2014 by rburnham

How to reconcile indisputable evidence of flowing water on Mars with severely low temperatures? New research shows volcanism and greenhouse gas could have warmed the planet sufficiently, but only for tens or hundreds of years at a time. Ample evidence … Continue reading →

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THEMIS: South polar layers

Posted on November 4, 2014 by rburnham

THEMIS Image of the Day, November 4, 2014. This VIS image shows layering in the south polar cap. More THEMIS Images of the Day by geological topic.

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Gullies and ice on Mars

Posted on October 31, 2014 by rburnham

Planetary Geomorphology Image of the Month, November 2014: Susan Conway (Open University, UK). Gullies on Mars were first discovered in 2000 (Malin and Edgett, 2000) in images taken by the Mars Orbiter Camera on board NASA’s Mars Global Surveyor platform. … Continue reading →

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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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HiRISE: Perennial frost in a northern plains crater

Posted on October 27, 2014 by rburnham

Most surface ice on Mars is temporary. The polar layered deposits are thick stacks of permanent water ice at each pole, and the South Polar residual cap may be a permanent (although dynamic) layer of carbon dioxide ice. However, at … Continue reading →

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THEMIS: South polar features

Posted on October 15, 2014 by rburnham

THEMIS Image of the Day, October 14, 2014. Today’s VIS image shows a region of plateaus and depressions near 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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Liquid water and water Ice on Gale Crater, Mars

Posted on September 24, 2014 by rburnham

Planetary Geomorphology Image of the Month, September 2014: Alberto G. Fairén, (Cornell University and Centro de Astrobiología, Spain). Gale Crater, the site of the currently active Mars Science Laboratory (MSL) or Curiosity Rover mission, is a ~154-km-diameter impact crater formed … Continue reading →

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HiRISE: Searching for evidence of ice and rock

Posted on September 23, 2014 by rburnham

Searching for evidence of ice and rock. Beautiful Mars series.

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