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Planetary Nebula
An expanding shell of ionized gas ejected from a red giant star in the late stages of stellar evolution. Despite the name, it has no connection to planets. The glowing gas is illuminated by the hot core of the dying star.
Source: science.nasa.gov
APODs including "Planetary Nebula"
The Helix Nebula from CFHT
24/11/2020
Cygnus: Bubble and Crescent
17/10/2020
Planetary Nebula Abell 78
16/10/2020
M2-9: Wings of a Butterfly Nebula
13/09/2020
The Helix Nebula from Blanco and Hubble
23/08/2020
NGC 5189: An Unusually Complex Planetary Nebula
14/08/2020
Iron in the Butterfly Nebula
21/07/2020
Bright Planetary Nebula NGC 7027 from Hubble
30/06/2020
Halo of the Cat's Eye
07/06/2020
NGC 2392: Double-Shelled Planetary Nebula
16/02/2020
M27: The Dumbbell Nebula
03/12/2019
MyCn 18: The Engraved Hourglass Planetary Nebula
29/09/2019
In Wolf's Cave
07/09/2019
M27: Not a Comet
29/08/2019
The Ghost of Jupiter's Halo
11/07/2019
The Cat's Eye Nebula in Optical and X-ray
01/05/2019
NGC 6302: The Butterfly Nebula
02/03/2019
The Helix Nebula in Hydrogen and Oxygen
13/02/2019
R Leporis: A Vampire's Star
31/10/2018
Halo of the Cat's Eye
20/10/2018
The Falcon 9 Nebula
12/10/2018
Rings Around the Ring Nebula
15/07/2018
The Extraordinary Spiral in LL Pegasi
08/07/2018
The Cat's Eye Nebula from Hubble
10/06/2018
NGC 1360: The Robin's Egg Nebula
11/05/2018
The Red Rectangle Nebula from Hubble
09/05/2018
M57: The Ring Nebula
17/04/2018
Bright Planetary Nebula NGC 7027 from Hubble
09/01/2018
The Helix Nebula from CFHT
03/01/2018
NGC 6369: The Little Ghost Nebula
28/10/2017