Tag Archives: outflow channels

HiRISE: Ejecta margin near Ares Vallis

Ejecta margin near Ares Vallis. The objective of this observation is to examine the margin of a crater’s ejecta. The ejecta on this side looks different than on the opposite side. Ares Vallis is an outflow channel, likely carved by … Continue reading

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THEMIS: Kasei Valles in false color

THEMIS Image of the Day, October 22, 2018. This false-color VIS image shows a section of Kasei Valles. Kasei Valles is a huge outflow channel that drains from the higher elevations of Tharsis down into the lowlands of Chryse Planitia. … Continue reading

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HiRISE: Clay outcrop near Maja Valles

A clay outcrop near Maja Valles. Maja Valles is a large, ancient outflow channel in the Lunae Palus quadrangle on Mars. The name is a Nepali word for “Mars”, and parts of the system have been partially buried by thin volcanic … Continue reading

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Mars Orbiter Mission: Four years in orbit

It’s been four years since [India's] Mars Orbiter successfully got inserted into Martian orbit on September 24, 2014 in its first attempt. MOM‘s mission life was expected to be six months! So far, the Mars Colour Camera has acquired 980+ … Continue reading

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THEMIS: Lunae Mensa in Kasei Valles

THEMIS Image of the Day, September 17, 2018. Today’s image shows a portion of Kasei Valles. The plateau in the center of the image is called Lunae Mensa. The THEMIS VIS camera contains 5 filters. The data from different filters … Continue reading

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THEMIS: Ares Valles’ long winding channel

THEMIS Image of the Day, July 25, 2018. Today’s VIS image shows part of Ares Vallis, one of the large channels in Margaritfer Terra that empty into Chryse Planitia. See more THEMIS Images of the Day by geological subject.

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THEMIS: Flood-scoured island-mesa in Kasei Valles

THEMIS Image of the Day, July 9, 2018. Today’s VIS image is located near the beginning of Kasei Valles. At the top of the image is the relative high land of Lunae Planum. The Kasei Valles channel is just below. … Continue reading

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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: Flood-sculpted ridge in Shalbatana Vallis

THEMIS Image of the Day, June 15, 2018. This VIS image shows a section of Shalbatana Vallis. Shalbatana Vallis is one of many channels that empty into Chryse Planitia. More THEMIS Images of the Day by geological topic.

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THEMIS: Dry waterfall at edge of Shalbatana Vallis?

THEMIS Image of the Day, June 7, 2018. This VIS image shows a section of Shalbatana Vallis. Shalbatana Vallis is located in Xanthe Terra. Shalbatana is an outflow channel carved by massive floods from escaping groundwater whose source lies far … Continue reading

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