Why is the sky blue? Or red at sunset? Or any color at all? Joe Hanson explains.

Why is the sky any color? Be Smart

Premiered March 11, 2013
Why is the sky any color?

Why is the sky blue? It's a question that you'd think kids have been asking for thousands of years, but it might not be that old at all. The ancient Greek poet Homer never used a word for blue in The Odyssey or The Iliad, because blue is one of the last colors that cultures pick out a word for.

About the Program

Be Smart

Join Joe Hanson as he explores curiosity and illuminates the science behind… well, everything.

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