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Sun fires off double-barreled X-class flares in span of 2 hours

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First X-class solar flare launched from a sunspot called AR3767 at 9:40 a.m. EDT ( 1340 GMT ) Then, less than two hours later , the sunspot AR3780 fired off an X1.1 class solar flare, which peaked at 11:27 GMT ( 1527 GMT ) Solar flares are often accompanied by huge eruptions of solar plasma called coronal mass ejections.