22/05/2023
Did you know? ๐ฃโ๏ธ
The scattering that occurs in the atmosphere is called Rayleigh Scattering, named after Lord Rayleigh. That is when the light runs into the gasses within the atmosphere (nitrogen, oxygen, etc). These gases are smaller than the particles of light, so scattering of the light occurs.
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Twilight is the period of time before sunrise and after sunset, in which the atmosphere is partially illuminated by the sun, being neither totally dark or completely lit. (weather.gov)