Assuming that all effects due to variations in Earth's atmosphere could be removed (with adaptive optics) from images produced by a telescope, what diameter of a telescope would be needed to see two bright (laser) headlights of wavelength 650 nm separated by 2 m on a vehicle on the Moon? (Assume Earth-Moon distance to be 400,000 km.)
A) 0.16 m
B) 1600 m
C) 1.6 m
D) 160 m
Correct Answer:
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