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jeudi 30 juin 2011

Are We Prepared for a Catastrophic Solar Storm?

A solar disaster isn't a question of if, but when--and it looks like soon

Sun StrokeNASA
 
One of the biggest disasters we face would begin about 18 hours after the sun spit out a 10-billion-ton ball of plasma--something it has done before and is sure to do again. When the ball, a charged cloud of particles called a coronal mass ejection (CME), struck the Earth, electrical currents would spike through the power grid. Transformers would be destroyed. Lights would go out. Food would spoil and--since the entire transportation system would also be shut down--go unrestocked.

Curious about what a CME would mean for us? Check out our feature.  ...

Read more  http://www.popsci.com/science/article/2011-05/are-we-prepared-catastrophic-solar-storm

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