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

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