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Why is the sky blue?

‘Mom, why is the sky blue?’

Here’s your simple answer mom:

When the different colors of light pass through the atmosphere, they run into tiny water molecules. Blue-ish colors have short wavelengths which pass through small molecules easily. That’s it!

For more answers to common kid questions, check out:

http://news.yahoo.com/easy-answers-kids-most-burning-questions-133804573.html

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