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Britta's Weather Lab: What makes a rainbow?

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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.

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

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Rainbows make beautiful arcs in the sky.

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Rainbows show all colors of visible light.

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The lesser known facts about rainbows

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