How Are Rainbows Formed?

introduction

Have you ever looked outside at a rainbow after it rains and wonder "How does that happen?" If so then keep reading.

Rain and sun

Rainbows are formed when the sun and water mix in an certain way. For example, the sunlight enters a raindrop and separates into different colors. These colors are red, orange, yellow, green, blue, indigo, and purple.

WHere should the sun be?

Also, most people do not relize is that the sun has to be always behind you when you look at a rainbow. That is because rainbows are formed on the opposite side of the sun. Another thing that is not well known is, it does not matter if the raindrop is big or small, it will not effect the rainbow size.

Rainbow shapes

Finally rainbows can be full circles, but people mostly just see the typicle arc. And red is always on top of the rainbow and purple is always on the bottom.

In conclusion, a lot of things go into forming a rainbow. I was surprised how detailed it really was.