Tour of Earth from orbit  JUN 02 2011

This is a wonderful seven-minute HD video tour of Earth using video shot from orbit.

Look at this neat picture of Great Salt Lake in Utah. And the variation in color? That's due to an almost a complete blockage of the circulation of the lake by a trestle for a railroad that crosses from one side to the other. It stops the circulation and things get a little bit saltier and certainly saltier at the north end of the lake.

Never knew that about the Great Salt Lake, but you can see the effect on Google Maps as well. (via ★interesting)

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