The Sciences

Sandswept world

Bad AstronomyBy Phil PlaitMar 12, 2010 12:24 PM

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Hot on the heels of the post the other day about the winds on Mars blowing the sand dunes and visibly moving them across the planet's surface comes this new satellite image of a huge sandstorm raging across the planet:

Of course, I'd forgive you if you interpret my saying "the planet" as meaning Mars. However, this picture is of Earth! Specifically, the Middle East. This March 4^th image from the Terra satellite shows a plume of sand 100 km (60 miles!) across sweeping from Saudi Arabia over Kuwait and into Iran. In some ways, Mars and Earth are very similar. Sometimes, it's even hard to tell them apart...

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