Tag Archives: Aonia Terra

HiRISE: Plains with diverse lithologies

Posted on February 15, 2019 by rburnham

Plains with diverse lithologies. This observation was a “nadir” target, meaning our camera was pointing straight down at the surface. These pockmarked plains outside of a larger impact crater show some very nice colors. The top cutout is from our … Continue reading →

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THEMIS: Gullies and floor features in Aonia Terra crater

Posted on January 17, 2019 by rburnham

THEMIS Image of the Day, January 17, 2019. Many large gullies dissect the rim of this unnamed crater in Aonia Terra.  The inner walls and floor both show evidence of pasted-on terrain — a layer of potentially ice-rich dust. See … Continue reading →

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THEMIS: Aonia Terra crater gullies

Posted on January 16, 2019 by rburnham

THEMIS Image of the Day, January 16, 2019. Today’s VIS image shows part of an unnamed crater in Aonia Terra. The rim of this crater contains many deep gullies. At the top left of the image a channel system is … Continue reading →

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THEMIS: Dunes on the move in Aonia Terra

Posted on December 28, 2018 by rburnham

THEMIS Image of the Day, December 28, 2018. Located in the center of this VIS image is a group of sand dunes. With enough wind and sand, sand dunes are formed. Dune morphology typically has a shallow slope on the … Continue reading →

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THEMIS: Graben cuts across Claritas Fossae crater

Posted on December 7, 2018 by rburnham

THEMIS Image of the Day, December 7, 2018. Located on the northern margin of Aonia Terra, this unnamed crater interacts with one of the fossa, also called a graben. In this image, it is apparent that the tectonic depression crosses … Continue reading →

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THEMIS: Crater-wall gullies in Aonia Terra

Posted on December 3, 2018 by rburnham

THEMIS Image of the Day, December 3, 2018. Today’s VIS image shows an unnamed crater located in Aonia Terra. Numerous gullies dissect the inner crater rim. This crater impacted onto the rim of the much larger Slipher Crater. See more … Continue reading →

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THEMIS: Channel in Coracis Fossae

Posted on November 19, 2018 by rburnham

THEMIS Image of the Day, November 19, 2018. Today’s VIS image shows one of the numerous channel features that dissect the highlands between Solis Planum and Aonia Terra. The linear features in the region include both tectonic graben and fluvial … Continue reading →

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HiRISE: Ejecta and possible bedrock on a crater floor in Aonia Terra

Posted on January 31, 2018 by rburnham

Ejecta and possible bedrock on a crater floor in Aonia Terra. This is just to the east of an impact crater that is almost dead center within a much larger impact crater. (249 km above the surface; black and white … Continue reading →

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THEMIS: Aonia Terra crater ejecta in false color

Posted on April 26, 2017 by rburnham

THEMIS Image of the Day, April 26, 2017. Today’s false color image shows several small craters in Aonia Terra. The false colors help show differences in the patterns of debris ejected in the impacts. The THEMIS VIS camera contains 5 … Continue reading →

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THEMIS: Dust devil scrawls in Aonia Terra

Posted on March 6, 2017 by rburnham

THEMIS Image of the Day, March 6, 2017. This VIS image show dust devil tracks in Aonia Terra. As the dust devil moves along the surface it scours the dust and fine materials away, revealing the darker rocky surface below … Continue reading →

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