Planetary nebula, M57
Ring Nebula
A dying star’s outer layers drifting away in a glowing ring, with the white-dwarf core still hot at the centre. Our Sun will do this in about 5 billion years.
- Distance
- 2,570 light years
- Width
- 1.3 light years
- Centre
- White dwarf
Gas
- Hydrogen
- Helium
- Oxygen
- Nitrogen
Gas shells thrown off by a dying Sun-like star
Measured by Hubble, JWST