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Beginning of Paper
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The human eye in space by Lambert Parker (edited)
Human visual hardware is a result of a billion years of evolution within
the earths atmosphere where light is scattered by molecules of air,
moisture, particular matter etc. However as we ascend into our atmosphere
with decrease density, light distribution is changed resulting ....
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Middle of Paper
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.... of the thesis by Muckler and
Narvan "Visual Surveillance and Reconnaissance from space vehicles" in
which they determined that a visual angle of ten minutes was the
operational minimum, and that the minimum resolvable object length
[M.R.O.L] at an altitude of 113 miles would be 1730 ft. This limitation of
acuity was revised the next year to 0.5 seconds of arc for an extended
contrasting line and 15 seconds of arc for minimum separation of two
points sharply contrasting with the background.
Orbiting at 237 miles in the skylab it was possible to see the entire e ....
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