Why is the Sky Blue?
The article discusses the important of Rayleigh scattering to understand celestial problems. It mentions that the scattering technique explains why the sky appears to be color blue. According to the author, the blue light in the visible portion of the molecular spectrum is scattered more than the other colors in the spectrum.
Locke, James A. and Ball, David W., "Why is the Sky Blue?" (2013). Chemistry Faculty Publications. 156.