The sun has let loose its strongest flare yet today. Classified as a M6.5 flare, it was associated with an Earth-direction coronal mass ejection (CME), a solar phenomenon that can send billions of tons of solar particles into space and can reach our planet days later.

This is the strongest flare seen so far in 2013--and it's likely not the last that our planet will see this year. The sun's normal 11-year activity cycle is coming to its peak, which is expected in late 2013.

http://www.scienceworldreport.com/articles/6185/20130411/sun-slings-larg...

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