There are 10 times more galaxies in our universe than we'd estimated
By Tatianna Amatruda, CNN
Updated 2148 GMT (0548 HKT) October 13, 2016
Photos:Wonders of the universe
The Blue Ring Nebula is thought to be a never-before-seen phase that occurs after the merger of two stars. Debris flowing out from the merger was sliced by a disk around one of the stars, creating two cones of material glowing in ultraviolet light.