Question

What causes twilight and dawn?​

Answer 1

Answer:

Twilight is the name given to the period between dawn and sunrise, or between sunset and dusk, when light is still visible in the sky due to sunlight scattering off the atmosphere. It can also be separated in astronomical, nautical and civil sections by how far below the horizon the Sun is.

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Answer 2

ANSWER:

Twilight and dawn are caused because of 'scattering of sunlight' off the atmosphere. Twilight and dawn are periods when little light is visible in the sky.

EXPLANATION:

Twilight is time period between sunrise and dawn or between sunset and dusk. This is the period when it is neither complete daylight nor complete night time and little light is visible in the sky.

The sun when rising and setting scatters light off the atmosphere and this results in what is called twilight and dawn.