What is a similarity between radio and optical telescopes?
A) Both can observe from the Earth's surface.
B) Both are usually located on mountaintops.
C) Both are usually made as refracting telescopes.
D) Both can detect radiation with charge-coupled devices.

Question

Quizplus · Accepted Answer

Both radio and optical telescopes can observe from the Earth's surface, as they are designed to detect different parts of the electromagnetic spectrum that can penetrate the Earth's atmosphere.

What Is a Similarity Between Radio and Optical Telescopes