SciShow Explains How Rainbows Are Created

In the latest installment of SciShow, host Hank Green answers the age-old question
“How Do Rainbows Form?”

To make a rainbow, you need three ingredients: sunlight, water and you.

Due to our position on the Earth, we tend to only see half of the circle, though as Green points out, from the right vantage point, it’s possible to see a fully circular rainbow.

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