A pair of relatively small but frenetic active regions rotated into view, spouting off numerous small flares and sweeping loops of plasma throughout this footage captured May 31 – June 2, 2017 by our Solar Dynamics Observatory. At first, only the one active region was observed, but midway though the video clip a second active region can be picked out behind the first. The dynamic regions were easily the most remarkable areas on the sun during this 42-hour period. The images were taken in a wavelength of extreme ultraviolet light, which is typically invisible to our eyes, but is colorized here in gold. https://go.nasa.gov/2qTI3JQ
