Why is the Earth's daytime sky blue?

Name: Why is the Earth's daytime sky blue?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Molecules in the Earth's atmosphere scatter blue light more than red light. This is due to the fact that blue light has a shorter wavelength and higher energy than red light, so it is more easily scattered by the small molecules in the atmosphere. As a result, when sunlight enters the atmosphere, the blue light is scattered in all directions, making the daytime sky appear blue.

Why Is the Earth's Daytime Sky Blue