Tag Archives: sand

HiRISE: Gullies with color anomalies

This is an oblique view of gully deposits from the steep slope of an impact crater. The deposits with anomalous (bluish) colors may reveal very recent activity, not yet homogenized by dust deposition, or there may be sand preferentially trapped … Continue reading

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HiRISE: Windblown sand in Ganges Chasma

Dark, windblown sand covers intricate sedimentary rock layers in this image from Ganges Chasma, a canyon in the Valles Marineris system. These features are at once familiar and unusual to those familiar with Earth’s beaches and deserts. Most sand dunes … Continue reading

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Curiosity update: Finishing at Stop 1

Sol 1603, February 9, 2017, update by USGS scientist Ryan Anderson: Yesterday’s plan went well, and ChemCam has run all of the planned diagnostics and will be back in action tomorrow! Similar to yestersol’s plan, the Sol 1603 plan begins … Continue reading

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Curiosity: Zooming in on Bagnold sands

Sol 1603, February 8, 2017. Three MAHLI views of one patch of Bagnold Dunes sand. As the instrument steps in, each successive image lies nested in the center of the previous one. The final view at bottom shows well-rounded and … Continue reading

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THEMIS: Dune field in Dulovo Crater

THEMIS Image of the Day, November 25, 2016. Today’s false color image shows the dunes on the floor of Dulovo Crater. The blue tint indicates that the sand grains are particles of basaltic rock. The THEMIS VIS camera contains 5 … Continue reading

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THEMIS: False color on Terra Sabaea

THEMIS Image of the Day, November 18, 2016. Today’s false color image shows part of Terra Sabaea. This area lies to the west of the Isidis Planitia impact basin, and near one of the candidate landing sites (Jezero Crater) for … Continue reading

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THEMIS: Northern Gale Crater in false color

THEMIS Image of the Day, November 14, 2016. Today’s false color image shows part of the interior mound of material within Gale Crater. The dark blue material is most likely basaltic sand. Gale Crater is the home of Curiosity Rover. The … Continue reading

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Curiosity: Sandy patches ahead

Sol 1507, November 1, 2016. As Curiosity continues its trek toward Mt. Sharp, the Navcam shows the rover is approaching terrain with increasing numbers of wind-rippled patches of sand. Not too much farther ahead these will grow in size and … Continue reading

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THEMIS: Sand deposit in Firsoff Crater

THEMIS Image of the Day, October 13, 2016. Today’s false color image shows part of the interior deposit in Firsoff Crater. The dark blue material is most likely basaltic sand. The THEMIS VIS camera contains 5 filters. The data from different … Continue reading

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HiRISE: Just rise above it

Just rise above it. Beautiful Mars series.

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