Mystery of the Blue Ring Nebula Uncovered After 16 Years
The object puzzled astronomers for a very long time. Now they have it figured out. Step in and see for yourself.
Science & Tech
The Blue Ring Nebula, a star with an unusual ultraviolet ring around it spotted by astronomers working for NASA's now-defunct Galaxy Evolution Explorer mission (GALEX) sixteen years ago has amazed and perplexed researchers since its discovery. Now, it seems astronomers may have finally unearthed the mystery behind it.