SEA MILE
A unit of length distinguished from a nautical mile. One sea mile is equivalent to 1,000 fathoms (6,000 feet).
Related Term: sea mile
NAUTICAL TWILIGHT
The time after civil twilight, when the brighter stars used for celestial navigation have appeared and the horizon may still be seen.
NAUTICAL MILE A unit of length used in marine navigation that is equal to a minute of arc of a great circle on a sphere. One international nautical mile is equivalent to 1,852 meters or 1.151 statue miles. Related Term: sea mile ...
 See also: Meteor, Forecast, Advection, Temperature, Cloud
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