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Street Wise

'Solar storms' a threat to 21st century life

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DON’T bother opening your umbrella. It won’t do a bit of good in the face of what scientists call a "solar storm". This is when "plasma balls" from the sun’s surface are blown by solar winds into the earth’s magnetic field. It happened in 1989 in Quebec, Canada, and knocked out 6 million people’s electricity for about nine hours.
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