Tag Archives: channels

Opportunity: Studying the channel near the head of Perseverance Valley

NASA’s senior Mars rover, Opportunity, is examining rocks at the edge of Endeavour Crater for signs that they may have been either transported by a flood or eroded in place by wind. Those scenarios are among the possible explanations rover-team … Continue reading

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HiRISE: Channel near Hale Crater

Channel near Hale Crater. Beautiful Mars series.

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HiRISE: Channel on a crater floor in NW Arabia Terra

A channel on a crater floor in northwestern Arabia Terra. Beautiful Mars series.

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HiRISE: Channels northwest of Hale Crater

Channels northwest of Hale Crater. Beautiful Mars series.

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HiRISE: Sources of gullies in Hale Crater

HiRISE color can show mineralogical differences due to the near-infrared filter. The sources of channels on the north rim of Hale Crater show fresh blue, green, purple and light toned exposures under the the overlying reddish dust. The causes and … Continue reading

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THEMIS: Reull Vallis, ancient channel

THEMIS Image of the Day, April 7, 2017. This VIS image shows a short section of Reull Vallis. Reull Vallis starts in Promethei Terra and ends in Hellas Plainitia. More THEMIS Images of the Day by geological topic.

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HiRISE: Channel networks on Arabia crater wall

Channel networks on the wall of a crater in Arabia Terra. Beautiful Mars series.

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HiRISE: Distinctive brightness

This full-resolution image is centered on a bright deposit at the end of a gully channel. The bright deposit does not seem to be present in an image acquired several years earlier than 2009, and is likely to be very … Continue reading

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HiRISE: Plains south of Valles Marineris

This enhanced-color sample reveals the incredible diversity of landforms on some Martian plains that appear bland and uniform at larger scales. Here we see layers, small channels suggesting water flow, craters, and indurated sand dunes. [More at link]

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THEMIS: Channels of Nirgal Vallis

THEMIS Image of the Day, March 2, 2017. This VIS image shows a portion of Nirgal Vallis. A tributary of the channel is seen on the left side of the image, with the main channel crossing the image from left … Continue reading

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