An astronomy graduate student takes a long-exposure picture with a CCD camera but forgets to turn on the telescope tracking.What will the picture look like?
A)The picture will be blank.
B)The picture will be blurry.
C)The picture will have long, thin star trails.
D)The picture will have many false colours.

Question

Quizplus · Accepted Answer

Without telescope tracking, the stars will appear to move across the field of view, resulting in long, thin star trails in the image.

An Astronomy Graduate Student Takes a Long-Exposure Picture with a CCD