The two ranges of electromagnetic radiation for which Earth's atmosphere is reasonably transparent are
A) X- ray and visible light.
B) visible light and radio wave.
C) visible light and far infrared radiation.
D) UV radiation and radio wave.

Question

Quizplus · Accepted Answer

The Earth's atmosphere is most transparent to visible light and radio waves, allowing these types of electromagnetic radiation to pass through with relatively little absorption or scattering. This transparency is why we can see the Sun and stars with our eyes (visible light) and why radio communications are possible over long distances.

The Two Ranges of Electromagnetic Radiation for Which Earth's Atmosphere