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Why is the sky blue?

April 13, 2009

do you notice how the blue light “bends” more due to the prism? It also bends more due to the atmosphere, which means that it gets scattered away more easily.

But during the day, that same scattered blue light fills the upper atmosphere, but enough of the full spectrum comes straight through that the sky looks blue and the Sun looks white!

If we didn’t have the thick atmosphere we have, the sky wouldn’t look blue!

via Pining for the Sun : Starts With A Bang.

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