Title Text:If you ask “why are leaves green?” the usual answer is “because they’re full of chlorophyll, and chlorophyll is green,” even though “why does chlorophyll scatter green light?” is a great question too.<
Origin:https://xkcd.com/1818/
https://www.explainxkcd.com/wiki/index.php/1818:_Rayleigh_Scattering
雷利散射
