NASA’s Solar Dynamics Observatory captured this image of a solar flare – that bright flash on the right side of this image of the Sun – on 20 January 2022.
See an animated gif at NASA.
Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft and astronauts.
This flare is classified as a M5.5 class flare.