Tag Archives: Escorial Crater

THEMIS: Frosty dunes in Hyperboreae Undae

Posted on August 5, 2019 by rburnham

THEMIS Image of the Day, August 5, 2019. Several dune fields encircle the north polar cap. Hyperboreae Undae is one of them, located near Escorial Crater and Chasma Boreale. This VIS image was taken during the spring season, when the … Continue reading →

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THEMIS: North polar dunes meet Escorial Crater

Posted on September 25, 2018 by rburnham

THEMIS Image of the Day, September 25, 2018. At the bottom of this image is Escorial Crater. The dune field to the north are called Hyperboreae Undae. The subtle blue and yellow arcs over the crater are clouds. The THEMIS … Continue reading →

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THEMIS: Dunes and Escorial Crater ejecta in false color

Posted on September 13, 2018 by rburnham

THEMIS Image of the Day, September 13, 2018. The ‘brown’ in this VIS image is part of the ejecta surrounding Escorial Crater. The material of the ejecta blanket is much more resistant to local winds and remains as a plateau … Continue reading →

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THEMIS: Siton Undae dunes in false color

Posted on September 12, 2018 by rburnham

THEMIS Image of the Day, September 12, 2018. The blue features in this VIS image are sand dunes located near Escorial Crater and the north polar cap. The dune field is called Siton Undae. The THEMIS VIS camera contains 5 … Continue reading →

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THEMIS: Shore of the sand sea

Posted on September 22, 2017 by rburnham

THEMIS Image of the Day, September 22, 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: Low hill divides the dunes

Posted on September 21, 2017 by rburnham

THEMIS Image of the Day, September 21, 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: “Dry spots” in the north polar sand sea

Posted on September 20, 2017 by rburnham

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

Posted on September 19, 2017 by rburnham

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

Posted on September 18, 2017 by rburnham

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

Posted on September 15, 2017 by rburnham

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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