Tag Archives: dunes

HiRISE: Ongoing dune activity in Ganges Chasma

Ongoing dune activity in Ganges Chasma. Beautiful Mars series. [More at links]

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THEMIS: Active dunes and ground-ice creep

THEMIS Image of the Day, August 3, 2018. This VIS image is located in the region between northern Terra Sabaea and Utopia Planitia. This unnamed crater contains a small, dark dune field. Darkness suggests the dunes are dust-free, hence probably … Continue reading

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HiRISE: Cluster of dunes in Tyrrhena Terra

A cluster of dunes within a crater in Tyrrhena Terra. Beautiful Mars series. [More at links]

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HiRISE: Dunes next to a central peak

The dunes, they are coming for you! These dunes are next to a central peak in a crater. Beautiful Mars series. [More at links]

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HiRISE: Down in Proctor Crater

Down in Proctor Crater. Proctor Crater is 168 kilometers in diameter, and its massive dune field has been imaged by us for several years to track changes over time. Beautiful Mars series. [More at links]

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‘Ghost dune’ pits discovered on Mars

Scientists have discovered hundreds of crescent-shaped pits on Mars where sand dunes the size of the U.S. Capitol stood billions of years ago. The curves of these ancient dune impressions record the direction of prevailing winds on the Red Planet, … Continue reading

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THEMIS: Active dunes and possible glacier flow

THEMIS Image of the Day, July 6, 2018. This VIS image is located on the floor of an unnamed crater between Terra Sabaea and Utopia Planitia. The center of the image contains several regions of sand dunes. The dunes occupy … Continue reading

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HiRISE: Dune field in crater

Shadow dancing. Sometimes the less said about a picture, the better. Beautiful Mars series. [More at links]

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THEMIS: Dunes and sand sheet in Rabe Crater

THEMIS Image of the Day, June 19, 2018. The large sand sheet with surface dune forms seen in this VIS image is located on the complex floor of Rabe Crater. The sand is likely derived by erosion into the deposit … Continue reading

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HiRISE: Of dunes and their stories

Of dunes and their stories. So far no seasonal changes have been detected here, making this site unique. Beautiful Mars series. [More at links]

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