In what process sky colors (including blue sky and red sun) are created?

iridescence
637
Rayleigh scattering
1814
mirage
654
atmospheric refraction
2302
Rayleigh scattering, named after the British physicist Lord Rayleigh (John William Strutt), is an elastic scattering of light or other electromagnetic radiation by particles much smaller than the wavelength of the radiation.
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Ninjai
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