Tag Archives: sand

THEMIS: Olympia Undae

THEMIS Image of the Day, July 17, 2014. Today’s VIS image is part of Olympia Undae. Compare this to previous images and notice how uniform the dunes are in this region. More THEMIS Images of the Day by geological topic.

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THEMIS: More polar dunes

THEMIS Image of the Day, July 11, 2014. Like yesterday’s image, this VIS image shows more north polar dunes. If you compare multiple dune images, you will see that the dunes can take different forms and cover different amounts of … Continue reading

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Curiosity: Sol 674, June 29, 2014

Curiosity tests the sand ripples for trafficability — and finds wheels slipping, in a Sol 674 (June 29, 2014) panorama (5372 × 1969 pixels, 1.8 MB) assembled by Damia Bouic using Navcam images. (Thumbnail image above cropped). Mount Sharp lies in the … Continue reading

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THEMIS: North polar dunes

THEMIS Image of the Day, June 30, 2014. Today’s VIS image shows dunes on the margin of Olympia Undae, a large dune field near the north pole. More THEMIS Images of the Day by geological topic.

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THEMIS: Crater dunes

THEMIS Image of the Day, June 23, 2014. A sand sheet with surface dune forms covers part of the floor of this unnamed crater. This crater is located in Acidalia Planitia. More THEMIS Images of the Day by geological topic.

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Opportunity: Sol 3696, June 17, 2014

Mid-afternoon on Murray Ridge and Opportunity’s Navcam images an outcrop possibly containing aluminum-hydroxl clays. Small drifts of sand and dust nearby are reminders that the wind blowing over the ridge is keeping the rover’s solar panels remarkably clean: 92.4% of … Continue reading

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THEMIS: North polar dunes

THEMIS Image of the Day, June 5, 2014. Now that summer has arrived in the northern hemisphere of Mars, the dunes near the polar cap have shed all their winter frost. More THEMIS Images of the Day by geological topic.

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THEMIS: Siton Undae

THEMIS Image of the Day, May 30, 2014. Today’s VIS image shows part of Siton Undae, one of the dune fields near the north polar cap. More THEMIS Images of the Day by geological topic.

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THEMIS: Crater dunes

THEMIS Image of the Day, May 16, 2014. Today’s VIS image shows another unnamed crater near the north pole with dunes on its floor. More THEMIS Images of the Day by geological topic.

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THEMIS: Crater dunes

THEMIS Image of the Day, May 14, 2014. A sand sheet with surface dune forms partly surrounds the central peak of this unnamed crater near the north pole. More THEMIS Images of the Day by geological topic.

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