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Study of Atmospheric 'froth' May Help Gps Communications


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Aurora Borealis from International Space Station

The Aurora Borealis viewed by the crew of Expedition 30 on board the International Space Station. The sequence of shots was taken on February 7, 2012 from 09:54:04 to 10:03:59 GMT, on a pass from the North Pacific Ocean, west of Canada, to southwestern Illinois.

Credit: NASA/JSC

When you don't know how to get to an unfamiliar place, you probably rely on a smart phone or other device with a Global Positioning System (GPS) module for guidance.

From Jet Propulsion Laboratory/NASA
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