On a related note (grid shutting down), from today's Washington Post:

https://www.washingtonpost.com/news/capi...eather-threats/


"In 2012, NASA said the sun unleashed two massive clouds of plasma that barely missed a catastrophic encounter with Earth. “If it had hit, we would still be picking up the pieces,” physicist Daniel Baker of the University of Colorado told NASA two years after it happened."


National Space Weather Action Plan -- released today.

https://www.whitehouse.gov/sites/default...an_20151028.pdf



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