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Fraser
2012-Jul-06, 02:20 AM
From July 2 to July 5, the Sun shot off a whopping eighteen M-class solar flares. Most originated from Active Region 1515 and ranged from M1.1 to M6.1. On July 4th alone, there were seven M-class solar flares. According to SpaceWeather.com, big sunspot AR1515 appears to be on the verge of producing an X-class explosion. [...]

More... (http://www.universetoday.com/96161/fireworks-from-the-sun/)