Tag Archives: Terra Sirenum

THEMIS: Two small craters in Terra Sirenum

THEMIS Image of the Day, June 19, 2017. Do you see what I see? Shadows are just right to form googly eyes. (THEMIS Art #128). More THEMIS Images of the Day by geological topic.

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THEMIS: False color scan across Terra Sirenum

THEMIS Image of the Day, May 26, 2017. Today’s false color image shows part of the plains and craters of Terra Sirenum. This long scan (see full size image at link) was taken not long after local sunrise. The THEMIS … Continue reading

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THEMIS: False colors on Terra Sirenum plains

THEMIS Image of the Day, May 25, 2017. Today’s false color image shows part of the plains and craters in Terra Sirenum. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways … Continue reading

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THEMIS: Dunes besiege Terra Sirenum crater

THEMIS Image of the Day, May 17, 2017. Not all Martian sand dunes are located in craters. This VIS image shows dunes located on the plains of Terra Sirenum. More THEMIS Images of the Day by geological topic.

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THEMIS: Tectonics in Sirenum Fossae

THEMIS Image of the Day, May 3, 2017. Today’s false color image shows part of Sirenum Fossae. The linear depressions in this image, called graben, were formed by tectonic activity. The THEMIS VIS camera contains 5 filters. The data from … Continue reading

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HiRISE: Colorful mounds, bedrock in Terra Sirenum

Colorful mounds and bedrock in Terra Sirenum. Beautiful Mars series.

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THEMIS: Varieties of geo-chaos in Gorgonum

THEMIS Image of the Day, May 2, 2017. Today’s false color image shows part of Gorgonum Chaos. Chaotic regions form when groundwater escapes to the surface, undermining it and causing the ground to collapse. The linear depression at the bottom … Continue reading

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THEMIS: Newton Crater’s crater

THEMIS Image of the Day, April 24, 2017. Today’s false color image shows an unnamed crater located on the floor of Newton Crater in Terra Sirenum. The THEMIS VIS camera contains 5 filters. The data from different filters can be … Continue reading

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HRSC: Crater triplets

At first glance this scene may seem nothing out of the ordinary, but the large elongated crater marks the imprint of an impacting body that may have broken into three before it hit Mars. The images were acquired by ESA’s … Continue reading

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HiRISE: Possible chloride-rich deposits in Terra Sirenum

Possible chloride-rich deposits in Terra Sirenum. Beautiful Mars series.

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