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Why is the sky blue?

By Daniel Freedman, Dean of the College of Science, Technology, Engineering, Mathematics & Management, University of Wisconsin-Stout

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.

Why is the sky blue? – Mariana A-E., age 11, Tucson, Arizona

You might think that explaining why the sky is blue would be kind of simple. But even a brief explanation of it requires a lot of science. The…

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