Tag Archives: dunes

THEMIS: Rubble piles in Candor Chasma

THEMIS Image of the Day, January 19, 2018. This image shows part of eastern Candor Chasma. At the top of the image is the steep cliff between the upper surface elevation and the depths of Candor Chasma. The bottom of … Continue reading

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HRSC: Crater named for Gerhard Neukum, Mars Express founder

A fascinating martian crater has been chosen to honour the German physicist and planetary scientist, Gerhard Neukum, one of the founders of ESA’s Mars Express mission. The International Astronomical Union named the 102 km-wide crater in the Noachis Terra region … Continue reading

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HiRISE: Small field of eroding dunes

Small field of eroding dunes. Just drifting away into oblivion… Beautiful Mars series.

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THEMIS: Impact crater in Candor Chasma

THEMIS Image of the Day, January 15, 2017. This THEMIS image shows part of western Candor Chasma. Near the bottom of the image is an impact crater. Impact craters are relatively rare within all the canyons of Valles Marineris. The … Continue reading

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HiRISE: Powerful winds and streaming sands

Powerful winds and streaming sands. This observation shows sand dunes within the Hellespontus region of Mars. The sand appears to come from the layered mesas and knobs, features that have been eroded by powerful winds. In fact the origin of … Continue reading

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THEMIS: Yardangs in Candor Chasma

THEMIS Image of the Day, January 12, 2018. This image shows part of eastern Candor Chasma. In the middle of the image is a set of linear ridges and valleys. These features are called yardangs and are created by uniform … Continue reading

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HiRISE: Seasonal haloes and fractals

Seasonal haloes and fractals. In the spring, as the winter layer of dry ice covering the polar regions sublimates, there is a lot of action. The ice layer cracks and ruptures, and escaping gas lofts sand from the dunes above … Continue reading

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THEMIS: Canyon walls in Candor Chasma

THEMIS Image of the Day, January 11, 2018. This image shows part of eastern Candor Chasma. At the top of the image is the steep cliff between the upper surface elevation and the depths of Candor Chasma. The bottom of … Continue reading

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THEMIS: Landslides in Candor Chasma

THEMIS Image of the Day, January 10, 2018. This image shows part of eastern Candor Chasma. At the bottom of the image is the steep cliff between the upper surface elevation and the depths of Candor Chasma. The small lobate … Continue reading

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THEMIS: Mesa and dunes in Candor Chasma

THEMIS Image of the Day, January 9, 2018.  This image shows part of western Candor and the erosion of a large mesa. Layered materials are visible throughout the image. The dark material with the linear appearance in the middle of … Continue reading

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