ch36-p020 - 20. (a) Using the notation of Sample Problem...

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20. (a) Using the notation of Sample Problem 36-3, the minimum separation is DL L d == F H G I K J = ×× θ R mm m m. 122 400 10 122 550 10 0 005 50 39 . . . λ ch b g b g (b) The Rayleigh criterion suggests that the astronaut will not be able to discern the Great Wall (see the result of part (a)). (c) The signs of intelligent life would probably be, at most, ambiguous on the sunlit half
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