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back to article Supersize shifting sand dunes stalk surface of Mars

NASA's Mars Reconnaissance Orbiter has found the wind blows much more fiercely across the surface of the Red Planet than previously thought - reshaping sand dunes at around the same rate as those on Earth. Martian sand dunes rippling Martian sand dunes rippling. Credit: NASA/JPL-Caltech/ Univ. of Arizona/JHU-APL Boffins had …

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Sand dunes be damned...

That's worm-sign, I tell you, worm sign!

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Headmaster

200 feet (61 meters) deep

Seieng as though 200 feet is already an approximation, I think stating 60 metres in the conversion would be good enough.

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That's not wind...

I for one welcome our Shai-Hulud overlords.

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The animated image looks more like the lighting angle has changed rather than the dunes shifting. I'm not saying the experts are wrong, but, that's what it looks like to me.

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jai
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pics or it didn.... oh

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