SpazePlanetary nebula, NGC 6543
Cat’s Eye Nebula
One of the most intricate nebulae known: eleven nested rings around a dying star, puffed out every 1,500 years.
- Distance
- 3,300 light years
- Rings
- At least 11
Gas
- Hydrogen
- Helium
- Oxygen
- Nitrogen
Nested shells and jets from a dying star
Measured by Hubble, Chandra