Tag Archives: sand sheet

THEMIS: Marching dunes of Siton Undae

Posted on September 11, 2017 by rburnham

THEMIS Image of the Day, September 11, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading →

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THEMIS: Sand sheet in Cimmeria crater

Posted on March 30, 2017 by rburnham

THEMIS Image of the Day, March 30, 2017. Today’s VIS image shows a sand sheet with surface dune forms on the floor of an unnamed crater in Terra Cimmeria. More THEMIS Images of the Day by geological topic.  

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THEMIS: Pit and dunes in Rabe Crater

Posted on March 22, 2017 by rburnham

THEMIS Image of the Day, March 22, 2017. Today’s false color image shows part of the floor of Rabe Crater’s western floor, including a deep pit and a portion of the extensive dune field found in this crater. (A view … Continue reading →

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THEMIS: Sand sea in Rabe Crater

Posted on March 20, 2017 by rburnham

THEMIS Image of the Day, March 20, 2017. Today’s false color image shows part of the floor of Rabe Crater, which is covered mostly with a wind-shaped sea of sand. The THEMIS VIS camera contains 5 filters. The data from … Continue reading →

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HiRISE: Dunes in northern summer

Posted on January 31, 2017 by rburnham

This dune field formed near the base of the North Polar cap. Dunes require a source of loose particulate material to form. The source of the northern dune fields around the polar cap may be from the layers of dusty … Continue reading →

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THEMIS: Crater dunes

Posted on April 18, 2016 by rburnham

THEMIS Image of the Day, April 18, 2016. Today’s VIS image shows a sand sheet with surface dune forms located on the floor of an unnamed crater in Vastitas Borealis. More THEMIS Images of the Day by geological topic.

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THEMIS: Arabia Terra – false color

Posted on October 9, 2015 by rburnham

THEMIS Image of the Day, October 9, 2015. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading →

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THEMIS: Rabe Crater dunes — false color

Posted on August 6, 2015 by rburnham

THEMIS Image of the Day, August 6, 2015. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading →

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HiRISE: Sand sheet in Ganges Chasma

Posted on November 11, 2014 by rburnham

Sand sheet in Ganges Chasma. Beautiful Mars series.

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