What does angular resolution measure?
A)the angular size of the smallest features that the telescope can see
B)the brightness of an image
C)the size of an image
D)the number of electromagnetic waves captured by an image

Question

Quizplus · Accepted Answer

Angular resolution measures the smallest angle at which two separate objects can be distinguished. In other words, it measures the smallest features that can be resolved by the telescope. This is usually given in terms of arcseconds or degrees.

What Does Angular Resolution Measure