Increasing the diameter of a reflecting telescope:
A) increases its light-gathering power.
B) decreases its resolving power.
C) decreases its magnifying power.
D) increases its chromatic aberration.
Question 2
A telescope performs best:
A) on a high mountaintop where the air is thin and steady.
B) in a valley where the air is calm.
C) on a hill close to the ocean where the atmospheric turbulence is high.
D) close to a valley where the seeing is poor.