Scientists at the National Oceanic and Atmospheric Administration observed a cluster of sunspots on the surface of the sun this week. With them came solar flares that kicked off a severe geomagnetic storm.
That storm is expected to last throughout the weekend as at least five coronal mass ejections — chunks of the sun — are flung out into space, towards Earth! NOAA uses a five point scale to rate these storms, and this weekend's storm is a G4. It's expected to produce auroras as far south as Alabama. To contextualize this storm, we are looking back at he largest solar storm on record: the Carrington Event.
Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at The update to this episode was produced and edited by Rebecca Ramirez. Regina G. Barber checked the facts. Ko Takasugi-Czernowin was the audio engineer.
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