NASA - Solar Dynamics Observatory (SDO) patch.
May 3, 2018
The lone active region visible on our Sun put on a fine display with its tangled magnetic field lines swaying and twisting above it (Apr. 24-26, 2018) when viewed in a wavelength of extreme ultraviolet light.
SDO (Solar Dynamics Observatory): http://www.nasa.gov/mission_pages/sdo/main/index.html
Image, Video, Text, Credits: NASA/Yvette Smith/GSFC/Solar Dynamics Observatory.