When we look at the sky, we can see blue light scattered from various directions, giving the sky its blue color. However, during sunrise and sunset, more blue light is scattered away, while red light is relatively less scattered, allowing us to witness the beautiful hues of orange or red in the sky.
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The reason why the sky appears blue is because of the scattering of sunlight by the Earth's atmosphere. Compared to other colors, blue light has a shorter wavelength, making it more easily scattered in the atmosphere.
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