Text written in Basque and translated automatically by Elia without any subsequent editing. SEE ORIGINAL
Less bad it is on Mars!
2002/12/17 Elhuyar Zientzia
The image shows the north pole of Mars, covered by a sandstorm. You see a very fine storm, at the limits of the pole, although not so fine. On Mars, giant sand storms are common in spring.
The north pole of Mars consists of frozen carbon dioxide. In spring, the contrast between this cold layer and the hottest lands in the area and the evaporating cold air currents cause storms. They lift, turbulent and push the sand to the poles.
The photo is made with the MOC camera of the Mars Global Surveyor spacecraft. Rather, it is a mosaic of images collected daily last May.
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