Tag Archives: glaciers

Mars has mid-latitude belts of glaciers

Posted on April 8, 2015 by rburnham

Mars has distinct polar ice caps, but Mars also has belts of glaciers at its central latitudes in both the southern and northern hemispheres. A thick layer of dust covers the glaciers, so they appear as the surface of the … Continue reading →

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HiRISE: Viscous flow

Posted on March 16, 2015 by rburnham

Viscous flow. Probably an ancient alpine glacier flow. Beautiful Mars series.

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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: Flow in mesa valley in Protonilus Mensae

Posted on August 28, 2014 by rburnham

Flow leaving a mesa valley in Protonilus Mensae. Beautiful Mars series.

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HiRISE: Mantled terrain in southern mid-latitudes

Posted on August 28, 2014 by rburnham

The mid-latitudes of Mars (about 30 to 60 degrees, north and south) are covered in ice-rich mantling deposits in varying states of degradation. This mantle is thought to be deposited as snow during periods when the angle of the tilt … Continue reading →

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HiRISE: Glaciation at the eastern Hellas margin

Posted on August 16, 2014 by rburnham

Hellas Crater in the ancient highlands contains some of the clearest evidence on Mars for glacial processes. This image, on the eastern margin of the giant impact crater, shows a number of features consistent with glaciation. There are roughly north-south … Continue reading →

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THEMIS: Coloe Fossae

Posted on July 22, 2014 by rburnham

THEMIS Image of the Day, July 22, 2014. The channels in this VIS image are part of Coloe Fossae, a series of linear depressions on the northeast margin of Terra Sabaea. More THEMIS Images of the Day by geological topic.

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Gale Crater’s icy hydrological cycle

Posted on June 25, 2014 by rburnham

Gale Crater was once home to glaciers and other features of an icy hydrological system, says a team of scientists led by Alberto Fairén (Centro de Astrobiología in Spain and Cornell University). They base their work on images captured with the … Continue reading →

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THEMIS: Crater fill

Posted on June 25, 2014 by rburnham

THEMIS Image of the Day, June 25, 2014. This unnamed crater in this VIS image is located on the margin between Terra Sabaea and Utopia Planitia and is filled with material with a grooved surface. The grooves parallel the crater … Continue reading →

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HiRISE: Source channel near Ismenius Lacus

Posted on June 24, 2014 by rburnham

Beautiful Mars series. Source channel near Ismenius Lacus. More Beautiful Mars images.

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