Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we see only blue, despite it all starting with a rainbow of colors.

It takes all the colors of the rainbow for us to see it that way. It happens because of something called the Rayleigh effect, or Rayleigh scattering, named after a British scientist who first ...

ST. LOUIS – The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple colors of a rainbow—there’s a lot going on that we don ...

Creating a colorful VIOLET sky. It all starts with incoming sunlight. If we think about the sunlight coming in, it contains all colors of the rainbow (think ROY-G-BIV).

AN instance of this phenomenon, which is referred to as rare in NATURE (vol. vii. p. 68), occurred to-day, Feb. 22, 4.30 P.M. The sky was almost quite clear and a light shower of rain falling ...

From Bettendorf to Hillsdale, these clouds were quite spectacular, especially given the dark blue background with the sky. Why rainbow clouds form These clouds form because of something we call ...