The blue color of the daytime sky results from Rayleigh scattering, where atmospheric atoms and molecules preferentially scatter the blue wavelengths of sunlight more than red, rather than being the ...
The reason we often imagine the Sun as yellow or orange has to do with the air around us rather than with the Sun itself.
This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Michael J. I. Brown, Associate Professor in Astronomy ...