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Sun erupts with two big solar flares
http://www.nbcnews.com/science/sun-erupts-solar-flare-one-strongest-it-can-unleash-8c11466275
95 comments
26/10/2013
space
Sun erupts with two big solar flares
http://www.nbcnews.com/science/sun-erupts-solar-flare-one-strongest-it-can-unleash-8c11466275
7 comments
26/10/2013
science