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What is the approximate size of the smallest object on the earth that astronauts can resolve by eye when they are orbiting 250 km above the earth? assume λ = 500 nm and a pupil …

What is the approximate size of the smallest object on the earth that astronauts can resolve by eye when they are orbiting 250 km above the earth? assume λ = 500 nm and a pupil …
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What is the approximate size of the smallest object on the earth that astronauts can resolve by eye when they are orbiting 250 km above the earth? assume λ = 500 nm and a pupil diameter of 5.00 mm?

User StephenG
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Skipping OTF and considering a small angle, then 2.38E5 • 1.22(4.56E-7/2.2E-3): 60 meters.
User Hongwei Xi
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