The change of sky colour at sunset (red nearest the sun, blue furthest away) is caused by Rayleigh scattering by atmospheric gas particles which are much smaller than the wavelengths of visible light. The grey/white colour of the clouds is caused by Mie scattering by water droplets which are of a comparable size to the wavelengths of visible light.

The change of sky colour at sunset (red nearest the sun, blue furthest away) is caused by Rayleigh scattering by atmospheric gas particles which are much smaller than the wavelengths of visible light. The grey/white colour of the clouds is caused by Mie scattering by water droplets which are of a comparable size to the wavelengths of visible light.

Mie Scattering in the Atmosphere

Mie Scattering in the Atmosphere

Mie scattering

Mie scattering

Rayleigh & Mie Scattering by Epyon MX, via Flickr

Rayleigh & Mie Scattering by Epyon MX, via Flickr

orange/red sunsets in a clean atmosphere - Rayleigh and Mie scattering

orange/red sunsets in a clean atmosphere - Rayleigh and Mie scattering

Aerosol Wars, Covert (Blatant) Weather Modification,, Mie Scattering Int...

Aerosol Wars, Covert (Blatant) Weather Modification,, Mie Scattering Int...

Mie scattering

Mie scattering

wwwtyro/glsl-atmosphere: Renders sky colors with Rayleigh and Mie scattering.

wwwtyro/glsl-atmosphere: Renders sky colors with Rayleigh and Mie scattering.

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