Why are spectral lines so tremendously important in astronomy?
A) They allow us to see black holes and other hidden objects in space.
B) They can help determine unknown substances in the laboratory.
C) They provide reliable evidence of the chemical composition of distant objects.
D) They are difficult and expensive to obtain.

Question

Quizplus · Accepted Answer

Spectral lines provide reliable evidence of the chemical composition of distant objects. Each element has a unique spectral signature, allowing astronomers to identify the elements present in stars, galaxies, and other celestial objects. This information helps us understand the formation and evolution of the universe.

Why Are Spectral Lines So Tremendously Important in Astronomy