Which part of the electromagnetic spectrum would we use to study the relatively cool dust of interstellar space?
A) radio waves
B) infrared light
C) visible light
D) ultraviolet light
E) gamma rays

Question

Quizplus · Accepted Answer

Infrared light is used to study the relatively cool dust of interstellar space because it has a longer wavelength than visible light and can penetrate dust and gas more easily.

Which Part of the Electromagnetic Spectrum Would We Use to Study