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Published on Jun 17, 2010
The sun is waking up from a deep slumber, and in the next few years we expect to see much higher levels of solar activity. Smart power grids, GPS navigation, air travel, financial services and emergency radio communications can all be knocked out by intense solar activity. A century-class solar storm, the Academy warned, could cause twenty times more economic damage than Hurricane Katrina. NASA's Heliophysics presents Understanding The Sun. More at Understanding The Sun http://truemaskedwabbit.multiply.com/...