www.allsides.com
Strongest solar storm in 20 years puts on a light show
The strongest solar storm in more than two decades struck Earth on Friday, triggering spectacular auroras worldwide.
According to the US National Oceanic and Atmospheric Administration's (NOAA) Space Weather Prediction Center, the first of several coronal mass ejections (CME) occurred shortly after 1600 GMT.
It was later upgraded to an "extreme" geomagnetic storm. It was the first such storm since the Halloween storms of October 2003, which caused blackouts in Sweden and...