planetary nebula
planetary nebula
Broader Terms
- BT↑ emission nebula
- BT↑ evolved star
- BT↑ nebula
Related terms
- RT⇆ ansa
- RT⇆ central star
- RT⇆ emission line star
- RT⇆ exciting star
- RT⇆ Harman-Seaton sequence
- RT⇆ mass-loss
- RT⇆ ring nebula
