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A lot of people ask why the sky is blue. And yes, there is actually a scientific reason for that. It all has to do with light. When light travels to the Earth from the sun it has to travel through the atmosphere. Once the light hits the atmosphere, all of it travels through the air, but something happens to the blue light that doesn't happen to the rest of the colors. It gets scattered more that the rest of them do.


Scattering is where light gets thrown different ways because of other things in the air such as clouds or anything else in this case, for example. When the light from the sun goes through the atmosphere all of the colors go through without being scattered very much, but blue gets scattered much more than all the other colors. Blue light gets thrown throughout the sky, making it blue.




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