Tag Archives: sand

THEMIS: Dunes and dust devils

THEMIS Image of the Day, February 12, 2014. Today’s VIS image is of an unnamed crater in Noachis Terra. Part of the crater floor contains a dune field. Dust devil tracks are visible east of the dunes. More THEMIS Images … Continue reading

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Opportunity: Heading uphill

Sol 3839, November 11, 2014. The Navcam looks uphill on Cape Tribulation, across sand ripples strewn by the easterly winds coming out of Endeavour Crater, out of view to the left. Opportunity raw images, its latest mission status, a location … Continue reading

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HiRISE: Sand sheet in Ganges Chasma

Sand sheet in Ganges Chasma. Beautiful Mars series.

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Curiosity update: ‘Shoemaker’

Sol 803-804, November 7, 2014, update from USGS Scientist Ken Herkenhoff: “I’m not on shift today, but keeping up with planning because I’m scheduled as SOWG Chair again on Monday.  And of course I’m curious to see how Curiosity is … Continue reading

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Curiosity: Zapping the scuff

Sol 801, November 7, 2014. The rover’s ChemCam laser instrument is taking pot shots at the sand exposed in the ripple scuffed open by Curiosity’s wheel (for more, see here). Top image: first frame, second frame.         … Continue reading

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HiRISE: Sand monitoring in Pasteur Crater

Sand monitoring in Pasteur Crater. Beautiful Mars series.

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Curiosity update: ‘Walkabout completed’

Sol 799-800, November 3, 2014, update from USGS Scientist Ken Herkenhoff: “The initial reconnaissance of the Pahrump Hills outcrop is complete, and the 53-meter Sol 797 drive successfully placed the rover near the ripples of interest [see right; image at … Continue reading

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HiRISE: Sand sources near Athabasca Valles

This image shows a small channel cutting into young volcanic lavas in a region where massive catastrophic flooding took place in the relatively recent past. The Athabasca Valles region includes a vast lava flow, thought to be the youngest on … Continue reading

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HiRISE: Hardened dunes in Arcadia Planitia

HiRISE, with its high resolution and 8 years in orbit about Mars, has shown that many dunes and ripples on the planet are active. This demonstrates that in some areas sand is loose enough and winds strong enough, that significant … Continue reading

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THEMIS: Gigas Sulci

THEMIS Image of the Day, September 16, 2014. The region shown in this VIS image is part of Gigas Sulci. More THEMIS Images of the Day by geological topic.

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