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Visible in the lower part of the image scene are remnants of a once 'streamlined' island. Above, the upper part of the image scene covers Tiu Vallis nearly in its entire width (approx. 55 km). Eye-catching are sinuous, meandering ridges which are bounded by depressions. The processes that formed these peculiar structures is unknown.
Credit: ESA/DLR/FU Berlin (G. Neukum).
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