Tag Archives: Professor Harry Messel

Why are the Blue Mountains Blue

By | September 12, 2022

The blue look associated with the Blue Mountains is caused by “Rayleigh Scattering“. Rayleigh scattering refers to the scattering of light off of the molecules of the air, and can be extended to scattering from particles up to about a tenth of the wavelength of the light. It is Rayleigh scattering off the molecules of… Read More »