A particular telescope is set up to use the Coudé focus. What arrangement of mirrors is used to bring the light to this focus?
A) A concave primary mirror and concave secondary mirror reflect light back through a hole in the primary mirror.
B) A series of mirrors channel the light to a remote and fixed location.
C) A concave primary mirror and flat, diagonal secondary mirror are used.
D) A concave primary mirror and convex secondary mirror reflect light back through a hole in the primary mirror.
Correct Answer:
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