ESA released a new set of superb looking Mars images made by the Mars Express spacecraft. The photos show things related to the main fields of research conducted by the Mars Express: water, ice, glaciers and volcanism!
This image of the Martian north polar ice cap shows layers of water ice and dust for the first time in perspective view. Here we see cliffs which are almost 2 kilometres high, and the dark material in the caldera-like structures and dune fields could be volcanic ash.
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