Deep-Sky Object
Planetary Nebula
A dying Sun-like star's exhaled atmosphere.
An expanding shell of ionised gas ejected by a star at the end of its red giant phase, illuminated by the exposed white-dwarf core.
Overview
An expanding shell of ionised gas ejected by a star at the end of its red giant phase, illuminated by the exposed white-dwarf core.
See also
Wolf–Rayet Nebula
A bubble blown by a Wolf–Rayet star's wind.
Round Planetary Nebula
Shell of ionized gas expelled by a dying low-to-intermediate-mass star.
Elliptical Planetary Nebula
Shell of ionized gas expelled by a dying low-to-intermediate-mass star.
Bipolar Planetary Nebula
Shell of ionized gas expelled by a dying low-to-intermediate-mass star.
Multipolar Planetary Nebula
Shell of ionized gas expelled by a dying low-to-intermediate-mass star.
Quadrupolar Planetary Nebula
Shell of ionized gas expelled by a dying low-to-intermediate-mass star.