Visibility
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- Visibility The greatest distance that prominent objects can be seen and identified by unaided, normal eyes.
NSIDC - Cite This Source - This Definition - analog, Mesopause, Mesosphere, Stratopause
- The distance at which a given standard object can be seen and identified with the unaided eye
NOAA National Weather Service - Cite This Source - This Definition - Brightness, LGT, Prevailing Visibility, Runway Visual Range, RVR, Sector Visibility
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