NASA's Interface Region Imaging Spectrograph (IRIS) mission captured an X1.1-class solar flare. See time-lapse footage of the blast that caused "a strong shortwave radio blackout over South America," ...
In 28 days it began. In 28 weeks it spread. In 28 years it evolved.
Sunspot AR3186 erupted with an X1-class solar flare on Jan. 10, 2022. NASA's Solar Dynamics Observatory captured the ...