How is the objective of most radio telescopes similar to the objective of a reflecting optical telescope?
A)They are both bowl-shaped (concave).
B)They are both hill-shaped (convex).
C)They are typically the same size.
D)They are both made of metal.

Question

Quizplus · Accepted Answer

The objective of most radio telescopes is to collect radio waves coming from outer space, just like the objective of a reflecting optical telescope is to collect visible light from celestial objects. Both types of telescopes use a concave shape to gather and focus incoming waves or light onto a receiver or detector.

How Is the Objective of Most Radio Telescopes Similar to the Objective