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Science News: Radio frequency blackouts reported across the US after one of the largest solar flares ever recorded. Flares classified by range and strength. Solar f
The flare may have been accompanied by a plasma eruption now headed toward Earth
The strongest displays of aurora in 20 years were seen around the world. Read more here. On December 1 and 2, a series of three geomagnetic storms from last week produced aurora displays in the northern hemisphere's furthest southerly latitudes in 20 years.
The sun unleashed an X2.8 solar flare today (Dec. 14), its most powerful such eruption since September 2017.
A solar superstorm could cause a rail disaster, scientists warn.