A tech-destroying solar flare could hit Earth within 100 years, and knock out our electrical grids, satellite communications and the internet. A new study in The Astrophysical Journal finds that such an event is likely within the next century.

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A tech-destroying solar flare could hit Earth within 100 years, and knock out our electrical grids, satellite communications and the internet. A new study in The Astrophysical Journal finds that such an event is likely within the next century.