Tag Archives: sand ripples

Curiosity: Among megaripples

Sol 1686, May 4, 2017. Curiosity’s drive toward Vera Rubin Ridge is encountering locations where sand has collected into large ripples. Here we see that the rover rolled a foot or two onto a ripple then rolled back, perhaps as … Continue reading

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Curiosity: Edge of Ogunquit Beach

Sol 1646, March 24, 2017. Curiosity drove about 30 meters (100 feet) to the east-northeast. This placed the rover close to the edge of a large sand patch where it can investigate the dune sand and dune ripples at the … Continue reading

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Mars winds carve mountains, move & raise dust

On Mars, wind rules. Wind has been shaping the Red Planet’s landscapes for billions of years and continues to do so today. Studies using both a NASA orbiter and a rover reveal its effects on scales grand to tiny on … Continue reading

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HiRISE: Star & barchan dunes, Tyrrhena Terra

We monitor the dunes so that you don’t have to. Beautiful Mars series.

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HiRISE: Dark dunes over light-toned mega-ripples

Dark dunes over light-toned mega-ripples. Beautiful Mars series.

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Large aeolian ripples on Mars

Planetary Geomorphology Image of the Month, July 30, 2016: Ryan C. Ewing (Texas A&M University).  Ripples cover the surfaces of sand dunes on Earth and Mars. On Earth, ripples formed in typical aeolian sand (e.g., 0.1 and 0.3 mm) range … Continue reading

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Curiosity update: ‘More sand traps’

Sol 983, May 11, 2015, update from USGS scientist Ken Herkenhoff: The Sol 981 drive got the rover around the troublesome ripples and to the desired location, which gave us a good view of the terrain ahead.  Unfortunately, the images … Continue reading

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Curiosity: Sand ripples near bedded outcrops

Sol 967, April 26, 2015. Winds swirling around the thinly bedded outcrops produced a complex sand ripple. Click on the composite image (three Navcam frames) above to open a larger version in a new browser tab. Sol 967 raw 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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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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