Compared with the direction of the incoming light,in which way does the light leave the eyepiece of a Newtonian telescope?
A) at a variable angle depending on the direction of the source in the sky
B) in the same direction
C) in the reverse direction, back toward the source
D) at right angles

Question

Quizplus · Accepted Answer

In a Newtonian telescope, the light is reflected by a secondary mirror at a right angle to the incoming light, directing it out the side of the telescope through the eyepiece.

Compared with the Direction of the Incoming Light,in Which Way