"Naked eye astronomers" know that, if you want to view a dim star without a telescope you should
A) stare at it intently for several seconds.
B) close your left eye, then move your head slowly back and forth.
C) make sure that you are surrounded by bright lights.
D) not look directly at it.
E) avoid consuming foods that are rich in vitamin A.

Question

"Naked eye astronomers" know that, if you want to view a dim star without a telescope you should
A) stare at it intently for several seconds.
B) close your left eye, then move your head slowly back and forth.
C) make sure that you are surrounded by bright lights.
D) not look directly at it.
E) avoid consuming foods that are rich in vitamin A.

Quizplus · Accepted Answer

Looking directly at a dim star can cause it to disappear from your line of sight due to the way your eye's receptors work. By not looking directly at it, you can view it more clearly with your peripheral vision.

"Naked Eye Astronomers" Know That, If You Want to View