The first telescopic photo shows what appears to be a single star. The second photo shows the same object, now revealed to be two distinct stars. What is the difference between the two photos?

A) The second photo has better (smaller) angular resolution than the first photo.
B) The second photo was taken with a telescope that has greater light-collecting area.
C) The second photo was taken by two telescopes rather than one.
D) The second photo comes from a radio telescope, whereas the first photo comes from a visible-light photo.


A) The second photo has better (smaller) angular resolution than the first photo.

Physics & Space Science

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