What process primarily causes emission nebulae to produce their own glow?

Answer

Active production via atomic processes involving gas and intense radiation

Emission nebulae glow because they are actively producing light through energetic processes where gas atoms interact with intense radiation, specifically through ionization followed by recombination.

What process primarily causes emission nebulae to produce their own glow?

#Videos

What Makes Emission Nebulae Glow In Distinct Colors? - YouTube

What Makes Emission Nebulae Glow So Brightly? - Physics Frontier

lightstarnebulagasemission