Tag Archives: north polar sand sea

HiRISE: Dune-ice interactions in Olympia Undae

Dune-ice interactions in Olympia Undae. Beautiful Mars series.

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THEMIS: North polar dunes

THEMIS Image of the Day, July 6, 2016. Multiple dune fields surround the north polar cap. This unnamed region of dunes is located between Olympia Undae (the largest dune field) and Abalos Undae. This image was acquired during northern summer, … Continue reading

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HiRISE: At the edge of a dune sea

At the edge of a dune sea. Beautiful Mars series.

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THEMIS: More Olympia Undae

THEMIS Image of the Day, June 2, 2016. This VIS image shows a small portion of Olympia Undae, the largest of the dune fields surrounding the north polar cap. This image was collected during summer and no frost remains on … Continue reading

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THEMIS: Olympia Undae

THEMIS Image of the Day, June 1, 2016. This VIS image shows a small portion of Olympia Undae, the largest of the many dune fields surrounding the north polar cap. This image was collected during summer, and the dunes are … Continue reading

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THEMIS: Olympia Undae

THEMIS Image of the Day, May 23, 2016. This VIS image shows a small portion of Olympia Undae. Olympia Undae is the largest dune field at the margin of the north polar cap. This image was collected during northern hemisphere … Continue reading

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THEMIS: Hyperboreae Undae

THEMIS Image of the Day, May 17, 2016. Several dunes fields are found near the north polar cap. Today’s VIS image shows part of Hyperboreae Undae, which is located between Escorial Crater and the margin of Chasma Boreale. More THEMIS … Continue reading

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THEMIS: Sea of sand in Siton Undae

THEMIS Image of the Day, April 20, 2016. Today’s VIS image shows part of Siton Undae, a dune field located near Escorial Crater and the north polar cap. More THEMIS Images of the Day by geological topic.

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THEMIS: More Olympia Undae

THEMIS Image of the Day, March 28, 2016. The arc shaped feature at the bottom of this VIS image is the remaining rim of a crater. The dunes of Olympia Undae have surrounded the rim and small individual dunes are … Continue reading

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THEMIS: Olympia Undae

THEMIS Image of the Day, March 25, 2016. This VIS image shows a small portion of Olympia Undae, a large dune field located near the north polar cap. More THEMIS Images of the Day by geological topic.

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