How does a rainbow form in the sky?
Rainbow's Secret Trick
How does a rainbow form in the sky?
A rainbow looks like a painting someone hung across the sky after a storm. But nobody painted it. It's actually a magic trick performed by sunlight and a sky full of leftover raindrops — and once you know how the trick works, it gets even more beautiful.
Here's the first secret: sunlight only LOOKS white. It's really a bundle of every color, all stacked together and traveling as one. Your eyes can't tell them apart — until something splits the bundle open.
