Science of the sun: Nasa releases solar flare footage
5 April 2014 Last updated at 13:51 BST
Nasa has released dramatic footage of a solar flare, captured by its Solar Dynamics Observatory.
The mid-level solar flare was emitted on 2 April, and reached peak intensity at 14:05 GMT.
Solar flares are powerful bursts of radiation, producing a sudden brightening on the sun's surface.
Footage courtesy of Nasa