An Active Sunspot Blasted A Major X8.7 Class Solar Flare

Space.com 2024-12-20

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Extremely active sunspot AR3664 blasted a major X8.7-class solar flare.
The sunspot was behind the incredible geomagnetic storms that recently bathed Earth in auroras.

Credit: Space.com | footage courtesy: NASA / SDO and the AIA, EVE, and HMI science teams /HelioViewer| edited by Steve Spaleta

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