Tag Archives: floods

Water floods and effusive volcanism in Hrad Vallis

[Editor’s note: From a paper by Christopher Hamilton and four co-authors recently published in the Journal of Geophysical Research.] • The Hrad Vallis region of Mars includes evidence of both aqueous flooding and effusive volcanism • Lava flows in the … Continue reading

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THEMIS: Shalbatana Vallis

THEMIS Image of the Day, May 30, 2016. Today’s VIS image shows a small portion of Shalbatana Vallis, near the end of the channel where it drains into Chryse Planitia. Two streamlined islands are visible in this image and indicate … Continue reading

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THEMIS: Ares Vallis

THEMIS Image of the Day, February 24, 2016. This VIS image shows a small portion of Ares Vallis. With the different elevations within the broad channel, it is thought that multiple periods of flow successively eroded lower and lower into … Continue reading

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THEMIS: Mangala Valles

THEMIS Image of the Day, September 25, 2015. This VIS image shows part of the complex channel called Mengala Valles. The tear-drop shaped regions in the channel are called streamlined islands and the narrow “tail” points down stream. More THEMIS … Continue reading

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THEMIS: Mangala Fossae

THEMIS Image of the Day, May 22, 2015. The linear wall at the bottom of this VIS image is a fault. The linear depression caused by faulting is part of a long depression called Mangala Fossae. More THEMIS Images of … Continue reading

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THEMIS: Reull Vallis

THEMIS Image of the Day, March 6, 2015. This VIS image shows a section of Reull Vallis, a major channel that empties into Hellas Planitia. More THEMIS Images of the Day by geological topic.

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THEMIS: Kasei Valles false color

THEMIS Image of the Day, January 7, 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: Nilus Mensae

THEMIS Image of the Day, September 4, 2014. The hills and ridges at the top of this VIS image are part of Nilus Mensae, which is part of the complex Kasei Valles channels. More THEMIS Images of the Day by … Continue reading

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THEMIS: Ravi Vallis

THEMIS Image of the Day, August 27, 2014. This VIS image shows a portion of Ravi Vallis. More THEMIS Images of the Day by geological topic.

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THEMIS: Kasei Valles

THEMIS Image of the Day, August 1, 2014. The small channels in this VIS image are located within the much larger Kasei Valles channel. More THEMIS Images of the Day by geological topic.

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