What is "seeing"?
A) the ability of a telescope to show two very close objects separately
B) the capacity of a telescope to gather more light
C) the ability of a telescope to see in the night
D) the distortion of an image due to an atmospheric turbulence
Correct Answer:
Verified
Q48: Why must radio telescopes have very large
Q49: Ground-based observations can be made easily in
Q50: One of the biggest problems for ground-based
Q51: Why does the Sun look flattened near
Q52: Why does the Moon appear bigger near
Q54: The best site for placing a ground-based
Q55: Why do stars twinkle?
A) due to rapid
Q56: Why does the useful resolving power of
Q57: On some telescopes, actuators on the mirror
Q58: Which of the following is a reason
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