Question

Why is the sky blue?

Answer 1

Answer: Dust particles and gases reflect light in all directions, which is called scattering. The short wavelengths of blue and violet light are the wavelengths that are reflected or scattered. For this reason, scattered light looks bluer than other sunlight, which is why the sky looks blue during the day.

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Answer 2

Answer:

As light moves through the atmosphere, most of the longer wavelengths pass straight through. Little of the red, orange and yellow light is affected by the air. However, much of the shorter wavelength light is absorbed by the gas molecules.

Explanation: