User contributions
- 07:12, 19 April 2017 (diff | hist) . . (+860) . . Talk:1818: Rayleigh Scattering (Explanation why does chlorophyll scatter green light.)
- 06:59, 19 April 2017 (diff | hist) . . (+1,487) . . Talk:1818: Rayleigh Scattering (explanation why do you see distant object in blue color)