An important reason for using a very large diameter objective in an astronomical telescope is
A)to increase the magnification.
B)to increase the resolution.
C)to form a virtual image, which is easier to look at.
D)to increase the width of the field of view.
E)to increase the depth of the field of view.

Question

Quizplus · Accepted Answer

A larger diameter objective allows the telescope to gather more light, which improves the resolution and allows for clearer and more detailed images of distant celestial objects.

An Important Reason for Using a Very Large Diameter Objective