-OxfordLanguages
--wiktionary
Twilight occurs when Earth's upper atmosphere scatters and refracts sunlight which illuminates the lower atmosphere.
The morning twilight is often called dawn , while the evening twilight is also known as dusk .
There are 3 Types of Twilight:
Astronomers define the 3 stages of twilight on the basis of how far the Sun is below the horizon.
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Similar ideas to TWILIGHT: Half-light
This period is less bright than civil twilight.Artificial light is needed for outdoor activities
Nautical twilight occurs when the center of the sun is between 6 and 12 degrees below the horizon
Nautical dawn is the time when the sun is 12 degrees below the horizon in the morning.
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