Solar storm delivers a glancing blow to Earth – and a warning – CSMonitor.com   Leave a comment

Charged particles from a huge solar eruption two days ago delivered only a glancing blow to Earth Thursday.

 

 

But it still represented a warning. Solar activity is approaching the 2013 peak of its 11-year cycle, called the “solar maximum,” and the developed world finds itself ever more dependent on systems vulnerable to massive solar storms.

Perhaps most important, the power grid is 10 times larger than it was in 1921, when the last solar superstorm hit, effectively making it a giant new antenna for geomagnetic current. A far stronger solar outburst could overload and wreck hundreds of critical high-voltage transformers nationwide, blacking out 130 million people for months and costing as much as $2 trillion, according to an Oak Ridge National Laboratory study.

via Solar storm delivers a glancing blow to Earth – and a warning – CSMonitor.com.

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Posted June 10, 2011 by arnoneumann in Energy

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