The science behind nature’s colorful arc.
White sunlight isn’t white.It’s made of all colors.
When light enters a raindrop,it bends this is called refraction.
The light bounces inside the raindrop,splitting colors even more.
The light exits the drop,spreading into a color spectrum.
Millions of drops create millions of spectra, forming a perfect arc.
Sometimes light bounces twice, creating a second, fainter rainbow.