Fluorescence is a characteristic of ___________.
A) blue nebulae
B) reflection nebulae
C) planetary nebulae
D) dark nebulae
E) emission nebulae

Question

Quizplus · Accepted Answer

Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation. Emission nebulae are known for their characteristic fluorescence due to the ionization of gas by high-energy photons from nearby stars, causing them to emit light.

Fluorescence Is a Characteristic of ___________