What is a similarity between radio and optical telescopes?
A)Both are usually located on mountain tops.
B)Both can observe from the Earth's surface.
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 are designed to observe from the Earth's surface. While radio telescopes can also be located in space, they are typically placed on the ground as well.

What Is a Similarity Between Radio and Optical Telescopes