The Ring Nebula
The Ring Nebula is one of the most prominent examples of a planetary nebula. It is the leftover of a dead star that has blown off a colourful layer of ionized gas.
Credit: NASA/STScI/AURA
Facts About The Ring Nebula:
Classification: Nebula, Planetary
Names: Ring Nebula, Messier 57, M57, NGC 6720
Constellation: LyraDistance: 2.18e+16 km (2300 ly)
Discovered: 1779 by Antoine Darquier de Pellepoix