NASA has reported a X4.2 solar flare, so what does it mean? We break down what a solar flare is and how it connects to the ...
The sun has just fired off an eruption so intense it ranks among the most powerful solar flares seen in three decades, a jolt of energy that has put space weather forecasters and power grid operators ...
The X4.2-rated flare erupted at 7:13 a.m. EST on February 4.
An impulsive X4.2 solar flare sparked strong radio blackouts across Africa and Europe as the giant sunspot continues to rage.