Tag Archives: dunes

THEMIS: Swirling dunes in Charlier Crater

THEMIS Image of the Day, April 6, 2017. This VIS image shows part of the large sand sheet with surface dune forms on the floor of Charlier Crater in Terra Sirenum. The complex pattern in the dune crests may result … Continue reading

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THEMIS: Heap of dunes in Noachis Terra crater

THEMIS Image of the Day, March 31, 2017. This VIS image shows a portion of a sand sheet with surface dune forms on the floor of an unnamed crater in Noachis Terra. More THEMIS Images of the Day by geological … Continue reading

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THEMIS: Sand sheet in Cimmeria crater

THEMIS Image of the Day, March 30, 2017. Today’s VIS image shows a sand sheet with surface dune forms on the floor of an unnamed crater in Terra Cimmeria. More THEMIS Images of the Day by geological topic.  

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THEMIS: Rabe Crater dune field in VIS

THEMIS Image of the Day, March 29, 2017. This VIS image was collected simultaneously with yesterday’s IR image. It shows part of the dune field on the floor of Rabe Crater. Scientists compare VIS images with IR ones to help … Continue reading

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HiRISE: Unusual dunes on a crater floor

Unusual dunes on a crater floor. Beautiful Mars series.

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THEMIS: Rabe Crater dunes in infrared

THEMIS Image of the Day, March 28, 2017. This image of Rabe Crater and the region around it was collected using the IR (infrared) camera. The brighter the material, the warmer the surface is. Most dunes on Mars are dark … Continue reading

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HiRISE: The splitting of the dunes

The mound in the center of this image appears to have blocked the path of the dunes as they marched south (north is to the left in this image) across the scene. Many of these transverse dunes have slipfaces that … Continue reading

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THEMIS: Gullies on a big dune

THEMIS Image of the Day, March 27, 2017. Today’s VIS image shows part of the large dune form on the floor of Russell Crater. The big dune is scarred by gullies, with little dunes gathering at the gullies’ ends. More … Continue reading

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THEMIS: Gale Crater & Mt. Sharp in false color

THEMIS Image of the Day, March 24, 2017. Today’s false color image shows part of Gale Crater, the home of Curiosity Rover. The rover has driven about 10 miles (16 km) from where it landed and is currently traversing across … Continue reading

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HiRISE: Dunes of the Southern Highlands

Sand dunes are scattered across Mars and one of the larger populations exists in the Southern hemisphere, just west of the Hellas impact basin. The Hellespontus region features numerous collections of dark, dune formations that collect both within depressions such … Continue reading

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