Skywatchers enjoy supercharged auroras from strongest solar storm in years

A surprise solar storm supercharged auroras across the U.S. and Europe last night (March 23), with sightings of the colorful displays reported from as far south as New Mexico and Arizona.

The storm, classified as a severe G4 on the 5-grade scale used by the U.S. National Oceanic and Atmospheric Administration (NOAA), even forced  Rocket Lab to delay a launch of its Electron rocket for 90 minutes. Oddly, space weather forecasters didn’t see the storm coming, as it was caused by a stealthy solar eruption. 

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