Britta's Weather Lab: What makes a rainbow?

HOUSTON – Rainbows look magical, but rainbows are pure science!

To see a rainbow there needs to be rain and sunlight. The sun will always be behind the person viewing the rainbow.

When sunlight hits a water droplet, rain, it bends and moves in a different direction.

Rainbows make beautiful arcs in the sky.

Rainbows show all colors of visible light.

The lesser known facts about rainbows