If you noticed a little extra radio interference last night, it wasn’t your imagination. At 3:16 AM, NASA saw the biggest solar flare of the year, an M6.5-level coronal mass ejection that was powerful enough to cause a brief radio blackout. That’s not enough to disturb much outside the highest levels of the atmosphere, but it still looked pretty spectacular through the right telescope.
Last night, NASA saw the year’s biggest solar flare



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