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Friday, August 5, 2011

Sun blows out another big one, expect aurorae tonight!

On August 4 at about 04:00 UT, the Sun let loose with another big flare, this one ranking as an M 9.5 or so on the standard flare classification, bigger than the one earlier this week. It also triggered a coronal mass ejection, which means we may get some effects here on Earth.

Read more: http://blogs.discovermagazine.com/badastronomy/2011/08/05/sun-blows-out-another-big-one-expect-aurorae-tonight/

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