Tag Archives: channels

THEMIS: Channels

THEMIS Image of the Day, November 20, 2015. Today’s VIS image shows a number of unnamed channels located on the northeastern margin of Terra Sabaea. More THEMIS Images of the Day by geological topic.

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THEMIS: Sacra Fossae

THEMIS Image of the Day, November 17, 2015. The steep sided depressions in this VIS image are fault bounded tectonic features called graben. These depressions are part of a large region of graben called Sacra Fossae. Sacra Fossae is located … Continue reading

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HiRISE: Channel networks around a crater

Channel networks around a crater in Arabia Terra. Beautiful Mars series.

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THEMIS: Auqakuh Vallis

THEMIS Image of the Day, November 10, 2015. Today’s VIS image shows a portion of Auqakuh Vallis, which dissects the northern margin of Terra Sabaea. More THEMIS Images of the Day by geological topic.

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HiRISE: Small channels & rocky patch in Cydonia

The southern section of this image is dominated by both a series of craters and the remnants of channels that may be from a past fluvial system. The paleochannel system has wind-blown bedforms in its interior, with crests oriented approximately … Continue reading

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THEMIS: Channels

THEMIS Image of the Day, October 21, 2015. Today’s VIS image shows part of a complex region of channels which dissect the margin of Arabia Terra where elevations lower into Acidalia Planitia. Material that has moved down the channels in … Continue reading

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HRSC: Flash floods in Mangala Valles

Catastrophic flooding triggered by ice melting from the heat of volcanic activity is thought to be responsible for the chaotic scenery depicted in this region of the Mangala Valles channel network. The images were taken by the high-resolution stereo camera … Continue reading

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HiRISE: Fine-branched ridges

This image shows numerous branching ridges with various degrees of sinuosity. These branching forms resemble tributaries funneling and draining into larger channel trunks towards the upper portion of the scene. The raised relief of these branching ridges suggests that these … Continue reading

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THEMIS: The Martian, Part 2: Mawrth Vallis

THEMIS Image of the Day, October 13, 2015. All this week, the THEMIS Image of the Day is following on the real Mars the path taken by fictional astronaut Mark Watney, stranded on the Red Planet in the book and … Continue reading

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HiRISE: Nested channels near Hellas

We’re not sure if this channel-inside-a-channel was carved by flowing water or lava. Flowing water erodes channels, and flowing lava both erodes and melts surrounding rock to form channels. It’s not clear whether a huge surge of water or lava … Continue reading

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