The Ring Nebula is a bright shell of gas in the constellation Lyra. It has long served as a textbook example of how stars ...
Astronomers found an iron bar in the Ring Nebula that doesn't match any known stellar phenomenon. Scientists can't explain ...
The Ring Nebula is perhaps one of the most photographed objects in the night sky, dating back to its first image in 1886. Its intrinsic structure has been debated for as long as it has been observed.