A powerful X1-class solar flare erupted from an unnamed sunspot on July 3, 2021. It caused a “short-wave radio blackout over the Atlantic Ocean,“ according to . NASA’s Solar Dynamics Observatory caught the blast in multiple wavelengths. -- Full Story:
See an X8.2 flare from Sept. 2017:
Credit: | NASA/SDO/Science teams: AIA/EVE/HMI | produced & edited by Steve Spaleta ()