Sunspot crackling with strong M flares - See them in 4K time-lapse

Sunspot AR3165 has erupted with several m-class solar flares in a span of a few hours. NASA Solar Dynamics Observatory captured the fireworks in several wavelengths. Credit: Space.com | footage courtesy: NASA/SDO/helioviewer.org | edited by Steve Spaleta (https://twitter.com/stevespaleta) Music: Far Far Far by Bonnie Grace / courtesy of http://www.epidemicsound.com