April 29, 2014
Spasmodic Active Solar Region
An active region that was rotating out of view displayed a dazzling variety of dozens of spurts and eruptions in about 2.5 days (Apr. 19-21, 2014). The frames, taken in extreme ultraviolet light, show ionized Helium not far above the Sun’s surface. All of the activity near this region was caused by intense magnetic forces in a powerful struggling with each other.
Credit: Solar Dynamics Observatory / NASA