Short Answer
If the ________ is good, the atmosphere is stable, and image quality is sharp.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q20: Hubble Space Telescope is still the largest
Q21: The light-gathering power of a telescope varies
Q22: Which method of astronomical measurement is the
Q23: Based on their optical design, would an
Q24: Which design is subject to chromatic aberration?<br>A)refractor<br>B)prime
Q26: What is "seeing"?<br>A)a measure of the quality
Q27: Radio telescopes have poorer angular resolution than
Q28: Why do stars appear to twinkle?
Q29: The amount of diffraction a telescope creates
Q30: What is the resolving power of the