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Is it true? If it is, How big could it be?, what might be possible or will be possible?, what will happen?

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Is it true?

Solar storms are like Earth storms: unpredictable until they are quite near.

What will happen?

If there is a massive solar storm, we will experience power outages in long lines (e.g. U.S.A. mainland, Russia), communications disruption on satellite links (and again in long copper lines), and very nice auroras.

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finally I'll be able to show my wife that aurorae are real :-) – Rory Alsop Feb 6 '14 at 10:13

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