A 4K Solar Explosion: Remarkable NASA Video Captures Enormous Flare
4. 28. 16 by Jolene Creighton
On April 17, 2016, an active region on the Sun's right side released a solar flare, captured here by NASA's Solar Dynamics Observatory. This solar flare caused moderate radio blackouts, according to NOAA's Space Weather Prediction Center.
You can see all the NASA footage here.