The reason that some bright objects appearing in photographs of distant objects in the night sky appear to be blurry is that
A) they are really other galaxies, collections of billions of stars.
B) they are really nearby objects that can appear to move relative to distant and dimmer objects much further away
C) they are exploding supernovae very near to the Earth
D) they would really look blurry even if you were right next to them

Question

Quizplus · Accepted Answer

Bright objects appearing blurry in photographs of distant objects in the night sky are often other galaxies. These galaxies are collections of billions of stars, and their vast distances from Earth can cause them to appear as blurry, luminous patches in photographs.

The Reason That Some Bright Objects Appearing in Photographs of Distant