Tag Archives: Noachis Terra

THEMIS: Dust devil tracks

Posted on May 18, 2015 by rburnham

THEMIS Image of the Day, May 18, 2015. Today’s VIS image shows dust devil tracks in Noachis Terra. The dark tracks show where the whirlwind was in contact with the surface and removed dust to expose the darker rocky surface. … Continue reading →

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THEMIS: Noachis Terra — false color

Posted on April 20, 2015 by rburnham

THEMIS Image of the Day, April 20, 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: Crater dunes

Posted on April 10, 2015 by rburnham

THEMIS Image of the Day, April 10, 2015. This VIS image shows a large sand sheet with surface dune forms on the floor of an unnamed crater in Noachis Terra. More THEMIS Images of the Day by geological topic.  

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THEMIS: Dust devil tracks

Posted on April 8, 2015 by rburnham

THEMIS Image of the Day, April 7, 2015. The faint dark lines in this VIS image are caused by dust devils. As the dust devil travels along the surface it scours away the loose surface dust, revealing the darker surface … Continue reading →

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THEMIS: Sisyphi Cavi – false color

Posted on March 31, 2015 by rburnham

THEMIS Image of the Day, March 31, 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: Gullies

Posted on March 26, 2015 by rburnham

THEMIS Image of the Day, March 26, 2015. Today’s VIS image shows gullies on the inner rim of an unnamed crater in Noachis Terra. More THEMIS Images of the Day by geological topic.

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THEMIS: Dunes in IR

Posted on March 23, 2015 by rburnham

THEMIS Image of the Day, March 23, 2015. Warm dunes are brighter than their surroundings in this infrared image of an unnamed crater in Noachis Terra. More THEMIS Images of the Day by geological topic.

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THEMIS: Noachis Terra dunes VIS

Posted on March 13, 2015 by rburnham

THEMIS Image of the Day, March 13, 2015. Today’s VIS image was collected at the same time as yesterday’s IR image. The dunes are darker in visible wavelengths than the surrounding material. More THEMIS Images of the Day by geological … Continue reading →

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THEMIS: Noachis Terra dunes IR

Posted on March 12, 2015 by rburnham

THEMIS Image of the Day, March 12, 2015. This IR image shows a dune field on the floor of an unnamed crater in Noachis Terra. The bright tone indicates the dunes are warmer than most of the material surrounding them. … Continue reading →

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THEMIS: Crater dunes

Posted on February 16, 2015 by rburnham

THEMIS Image of the Day, February 16, 2015. A wedge shaped field of dunes is located in an unusual depression on the floor of this unnamed crater in Noachis Terra. More THEMIS Images of the Day by geological topic.

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