Tag Archives: dunes

THEMIS: Caterpillar dunes in Kaiser Crater

Posted on January 24, 2018 by rburnham

THEMIS Image of the Day, January 24, 2018. This VIS image of Kaiser Crater shows individual dunes and where the dunes have coalesced into longer dune forms. The addition of sand makes the dunes larger and the intra-dune areas go … Continue reading →

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THEMIS: Dunes in Kaiser Crater

Posted on January 23, 2018 by rburnham

THEMIS Image of the Day, January 23, 2018. Kaiser Crater is located in the southern hemisphere in the Noachis region west of Hellas Planitia. Kaiser Crater is just one of several large craters with extensive dune fields on the crater … Continue reading →

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THEMIS: Rubble piles in Candor Chasma

Posted on January 19, 2018 by rburnham

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

Posted on January 18, 2018 by rburnham

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

Posted on January 18, 2018 by rburnham

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

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THEMIS: Impact crater in Candor Chasma

Posted on January 15, 2018 by rburnham

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

Posted on January 12, 2018 by rburnham

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

Posted on January 12, 2018 by rburnham

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

Posted on January 11, 2018 by rburnham

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

Posted on January 11, 2018 by rburnham

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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