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
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