Answered: 39. Astronomers have discovered a… | bartleby

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39. Astronomers have discovered a planetary system orbiting the
star Upsilon Andromedae, which is at a distance of 4.2 × 10¹7 m from the
earth. One planet is believed to be located at a distance of 1.2 × 10¹¹1 m
from the star. Using visible light with a vacuum wavelength of 550 nm,
what is the minimum necessary aperture diameter that a telescope must
have so that it can resolve the planet and the star?

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