Martian Dust Devil
by Nasa/jpl-caltech/science Photo Library
Title
Martian Dust Devil
Artist
Nasa/jpl-caltech/science Photo Library
Medium
Photograph - Photograph
Description
Martian dust devil, Mars rover image. Dust devil (upper right) and rover tracks (foreground) on the surface of Mars. This image was obtained by the Mars Exploration Rover (MER) Opportunity, using its Navigation Camera (NavCam). It was on a ridge looking back into a valley below. The slope up which the rover had travelled is known as 'Knudsen Ridge' and is part of the southern edge of 'Marathon Valley'. The image was taken on 31 March 2016, the 4332nd Martian day the rover had spent on Mars. A dust devil is caused by a rising, rotating column of hot air that picks up dust from the surface. The slope ascended here has a tilt of 32 degrees, the steepest ever negotiated by a rover on Mars.
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February 15th, 2021
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