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Nebula
A nebula is a giant cloud of gas (mostly hydrogen and helium) and cosmic dust situated between stars in the interstellar medium. Nebulae serve as sites of stellar birth and death—including emission nebulae that glow from ionized gas, reflection nebulae that scatter starlight, and dark nebulae that obscure background stars.
Source: science.nasa.gov
APODs including "Nebula"
NGC 346: Star Forming Cluster in the SMC
01/12/2020
Cygnus Without Stars
30/11/2020
The Great Turkey Nebula
26/11/2020
Andromeda over Patagonia
25/11/2020
The Helix Nebula from CFHT
24/11/2020
Dark Molecular Cloud Barnard 68
22/11/2020
Light and Glory over Crete
16/11/2020
The Tarantula Zone
13/11/2020
Comet ATLAS and Orion's Belt
12/11/2020
The Central Soul Nebula Without Stars
10/11/2020
North of Orion's Belt
05/11/2020
In the Center of the Trifid Nebula
01/11/2020
The Ghoul of IC 2118
29/10/2020
NGC 6357: The Lobster Nebula
28/10/2020
Reflections of the Ghost Nebula
26/10/2020
A Night Sky Vista from Sardinia
21/10/2020
Cygnus: Bubble and Crescent
17/10/2020
Planetary Nebula Abell 78
16/10/2020
The Colorful Clouds of Rho Ophiuchi
14/10/2020
Milky Way over the Pinnacles in Australia
11/10/2020
Ou4: A Giant Squid in a Flying Bat
07/10/2020
Orion Nebula in Oxygen, Hydrogen, and Sulfur
04/10/2020
Sonified: Eagle Nebula Pillars
Video
30/09/2020
Filaments of the Cygnus Loop
28/09/2020
Arp 78: Peculiar Galaxy in Aries
18/09/2020
M2-9: Wings of a Butterfly Nebula
13/09/2020
The Milky Way over St Michael's Mount
07/09/2020
M1: The Crab Nebula from Hubble
06/09/2020
The Wizard Nebula
04/09/2020
NGC 6357: Cathedral to Massive Stars
30/08/2020