WASHINGTON—The Sun has unleashed three potent solar flares in just under 24 hours, marking the most intense activity yet this year and causing limited interruptions to high-frequency radio communications. One of them was classified as an X3.2 flare, with X-class flares being the most intense type, the US space agency said. "This is the strongest X-class flare of 2013 so far, surpassing in strength the two X-class flares that occurred earlier in the 24-hour period," NASA said of the latest flare that peaked at 0111 GMT Tuesday. The flares have sent off bursts of radiation from the Sun, known as coronal mass ejections (CMEs). The most recent tra...
Keep on reading: Sun unleashes 3 potent solar flares
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