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Becquerel Crater
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Becquerel Crater

September 6, 2013
Prominent patches of wind-blown dust, possibly mixed with volcanic ash, radiate from Becquerel crater and into a neighboring crater. The streak of dust following a radial path likely traces out a gentle topographic depression, beyond the eroded rim of the neighboring old crater.

The prevailing wind direction is towards the bottom right of the image in this orientation, in the direction of the tail-like features emanating from the tiny craters. Although small, the crater rims influence wind flow over the crater such that the material immediately downwind of the crater remains undisturbed in comparison to the surrounding plains.

Becquerel crater and its immediate surroundings were imaged during four orbits of Mars Express around the Red Planet: on 22 July 2006 (orbit 3253), and 26 February, 2 and 7 March 2008, corresponding to orbits 5332, 5350 and 5368, respectively. Becquerel crater lies within Arabia Terra, at about 22°N/352°E.

Credits: ESA/DLR/FU Berlin (G. Neukum)



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