Image of the day

Impact crater
This impact crater (made by a falling meteorite) with its 50 km diameter is situated in the Meridiani Planum region on Mars. The dark deposits resemble volcanic ash and the fact that they extend upwards and to the left indicates the direction of the prevailing winds in the area. This photograph was taken by the European Mars Express probe.
Credit: ESA/DLR/FU Berlin (G. Neukum)

The image explained in detail on the ESA website

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