Hello, I would really appreciate if someone explained to me how Rayleigh scattering works. I understand it as far as knowing that gas particles cause the shorter wavelength light (towards the violet part of the spectrum) to scatter more than the longer wavelength light. This apparently also causes us to see the sky as being blue. But when the light has to travel a longer distance (sunset) the sky appears red/orange, because even more light is scattered. Now why is that? Why does scattering of "blue" wavelenghts cause us to see a blue sky, and why does even more scattering cause us to see it as being orange? I would appreciate a detailed answer about the phenomenon. Thanks.