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The sun fired off its strongest solar flare of the year in November, causing a wide-area blackout of high frequency signal. It was classified an X3.3, falling into the category of the most intense solar explosions. These X-class solar flares, when aimed directly at Earth, can pose a threat to satellites and astronauts in orbit. Continue reading for more.


This entry was posted on 12/22/2013 02:30am and is filed under Photography, Science .
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