Tag Archives: Aonia Terra

THEMIS: Dunes on the move in Aonia Terra

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

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

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

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

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

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

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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THEMIS: Ross Crater gullies

THEMIS Image of the Day, February 24, 2017. This VIS image shows Ross Crater in Aonia Terra. The crater rim is dissected by gullies, however these gullies are much smaller than those in yesterday’s image. More THEMIS Images of the … Continue reading

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THEMIS: Dust devil tracks in Aonia Terra

THEMIS Image of the Day, February 20, 2017. Today’s VIS image shows dust devil tracks on the plains of Aonia Terra. As the dust devil moves across the surface it scours the fine dust particles, revealing the darker rock surface … Continue reading

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MARCI weather report, November 2-8, 2015

At the beginning of last week, condensate water-ice clouds associated with the aphelion cloud-belt were spotted over Tharsis, Arabia, and Syrtis Major. During this time, dust lifting activity was also observed over Aonia. At the end of the week, three … Continue reading

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