NAUTICAL TWILIGHT


Meaning of NAUTICAL TWILIGHT in English

The time after civil twilight, when the brighter stars used for celestial navigation have appeared and the horizon may still be seen. It ends when the center of the sun is 12 degrees below the horizon, and it is too difficult to perceive the horizon, preventing accurate sighting of stars. Related term: twilight

Weather and meteorology English vocabulary.      Английский словарь погоды и метеорологии .