Tag Archives: sand dunes

THEMIS: “Dry spots” in the north polar sand sea

THEMIS Image of the Day, September 20, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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THEMIS: Basaltic dunes and frost in north polar lowlands

THEMIS Image of the Day, September 19, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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THEMIS: Frosty dunes in Siton Undae

THEMIS Image of the Day, September 18, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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THEMIS: Ridge deflects winds, shapes dunes

THEMIS Image of the Day, September 15, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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THEMIS: Merging dunes in Siton Undae

THEMIS Image of the Day, September 14, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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THEMIS: Bare patches in north polar sand sea

THEMIS Image of the Day, September 13, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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THEMIS: Dunes of Siton Undae

THEMIS Image of the Day, September 12, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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THEMIS: Marching dunes of Siton Undae

THEMIS Image of the Day, September 11, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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HiRISE: Exploring the sandy province of Herschel Crater

While perhaps not awe-inspiringly beautiful, sand sheets can tell us about Mars’ current and past environmental conditions as a piece of the puzzle for understanding habitability. This view shows the downwind stretches of a sand sheet in central part of … Continue reading

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HiRISE: Opposing dunes, opposing winds

On one side of this image, fairly textbook-looking barchan sand dunes sit atop the bedrock. Barchan dunes pointing in the opposite direction are just a few kilometers away to the east. In between these opposing barchan dunes are star dunes. … Continue reading

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