Tag Archives: sand dunes

THEMIS: Wind streaks near Meroe Patera

Posted on October 20, 2017 by rburnham

THEMIS Image of the Day, October 20, 2017. This image shows part of the dune field near Meroe Patera. High resolution imaging by other spacecraft has revealed that the dunes in this region are moving. Winds from the northeast (upper … Continue reading →

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THEMIS: Dunes in Nili Patera

Posted on October 19, 2017 by rburnham

THEMIS Image of the Day, October 19, 2017. This is a false color image of part of the Nili Patera dune field. High resolution imaging by other spacecraft has revealed that the dunes in this region are moving. Winds are … Continue reading →

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HiRISE: Where does the sand come from?

Posted on October 18, 2017 by rburnham

The grains of sand that make up sand dunes on Earth and Mars have a hazardous existence because of the way that they travel. Wind-blown sand is lifted above the surface of each planet before crashing onto the ground and … Continue reading →

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THEMIS: Nili Patera dunes in false color

Posted on October 18, 2017 by rburnham

THEMIS Image of the Day, October 18, 2017. This is a false color image of part of the Nili Patera dune field. High resolution imaging by other spacecraft has revealed that the dunes in this region are moving. Winds are … Continue reading →

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THEMIS: Dunes in Syrtis Major

Posted on October 17, 2017 by rburnham

THEMIS Image of the Day, October 17, 2017. This image shows part of the Nili Patera dune field. High resolution imaging by other spacecraft has revealed that the dunes in this region are moving. Winds are blowing the dunes across … Continue reading →

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HRSC: Colorful dunes on wind-swept Mars

Posted on October 16, 2017 by rburnham

Dunes are prominent indicators of prevailing winds, as can be seen on this crater floor on Mars, imaged by ESA’s Mars Express on 16 May. Depressions such as impact craters can act as traps for sediments that have been blown … Continue reading →

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THEMIS: Meroe and Nili Paterae in Syrtis Major

Posted on October 16, 2017 by rburnham

THEMIS Image of the Day, October 16, 2017. This image shows part of the Nili Patera dune field. High resolution imaging by other spacecraft has revealed that the dunes in this region are moving. Winds are blowing the dunes across … Continue reading →

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THEMIS: Swirled dunes at foot of Coprates canyon wall

Posted on September 28, 2017 by rburnham

THEMIS Image of the Day, September 28, 2017. This image is located in eastern Coprates Chasma. The image shows a relatively smooth floor, with a group of sand dune forms located against the wall of the chasma (bottom of image). … Continue reading →

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THEMIS: Shore of the sand sea

Posted on September 22, 2017 by rburnham

THEMIS Image of the Day, September 22, 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: Low hill divides the dunes

Posted on September 21, 2017 by rburnham

THEMIS Image of the Day, September 21, 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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