The red color of emission nebulae comes from the___________ .
A) energy emission of hydrogen
B) conversion of ultraviolet light to visible light
C) energy emission of helium
D) energy emission of oxygen
E) conversion of infrared light to visible light

Question

Quizplus · Accepted Answer

The red color of emission nebulae predominantly comes from the energy emission of hydrogen atoms. As the hydrogen atoms in the nebula are excited by radiation from nearby stars, they emit energy in the form of light, and much of this energy is in the red part of the spectrum.

The Red Color of Emission Nebulae Comes from The___________