File:Dust Devils on Mars.jpg

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2009-08-24, Mars orbit, HiRISE - Dust Devil tracks

This portion of a recent high-resolution picture from the HiRISE camera on board NASA's Mars Reconnaissance Orbiter shows twisting dark trails criss-crossing light coloured terrain on the Martian surface. Newly formed trails like these had presented researchers with a tantalizing Martian mystery but are now known to be the work of miniature wind vortices known to occur on the red planet - Martian dust devils. Such spinning columns of rising air heated by the warm surface are also common in dry and desert areas on planet Earth. Typically lasting only a few minutes, dust devils becoming visible as they pick up loose red-coloured dust leaving the darker and heavier sand beneath intact. On Mars, dust devils can be up to 8 kilometres high. Dust devils have been credited with unexpected cleanings of Mars rover solar panels.

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Public Domain

Source:

http://www.uahirise.org/ESP_014426_2070

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Date/TimeThumbnailDimensionsUserComment
current11:30, 24 July 2013Thumbnail for version as of 11:30, 24 July 20131,920 × 1,440 (3.12 MB)Angel (Talk | contribs)2009-08-24, Mars orbit, HiRISE - Dust Devil tracks NASA Image# [http://www.uahirise.org/ESP_014426_2070 ESP_014426_2070] This portion of a recent high-resolution picture from the HiRISE camera on board the Mars Reconnaissance Orbiter shows twisting d...

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