Another Earthbound Solar Storm?

Monday, January 23, 2012 - 09:30 in Astronomy & Space

A massive sunspot released a M9-class solar flare (one step below the most powerful x-class flares) on January 23, 2012. The resulting coronal mass ejection may set off geomagnetic storms on Earth by January 24th or 25th.

Read the whole article on Space.com

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