This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A rainbow forms when sunlight is refracted ...

Answer: The principal indication given by a double bow is that the raindrops that are refracting and reflecting sunlight are of medium to large size, rather than being very small or tiny droplets.

SIOUX FALLS, S.D. (KELO) — With the scattered rain this weekend, you might be able to see a rainbow, one of the beauties of nature. KELOLAND News Chief Photographer Kevin Kjergaard captured one near ...

MACON, Ga. — A rainbow forms when sunlight enters a raindrop. When this happens, sunlight bounces around the raindrop and changes speed and direction. That's called refraction. These changes also ...