What is the primary reason the sky appears blue during the day?

Category: Science · Difficulty: easy

Hint: It's related to how light interacts with air particles.

Answer

Rayleigh scattering

Explanation

The sky appears blue due to Rayleigh scattering, where shorter blue wavelengths scatter more than other colors.

This is an easy science riddle — a good one for children and beginners. The answer is Rayleigh scattering.

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