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Why is the sky blue

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The sky is blue because molecules in the air disperse blue light from the sun more than they spread out red light. When we look towards the sun at sunset, we see orange and red colors since the blue light has been spread out and away from the line of view.

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All colors have wave lengths that are defused by nitrogen and oxygen sience blue is the shortest wave lenght it is difused up to ten times more. Witch make the sky a bluish color (:

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