Quote:
Originally Posted by froze
Ok, so let's make this simple for me and other readers like me. If there wasn't any water on the surface of the earth then what color would the sky be?
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Blue skies don't have anything due specifically to water. Rayleigh scattering is also why sunsets tend to be red-orange: the blue gets preferentially scattered in all directions, while you are looking at the direct rays from the sun, so it appears red, because less long wavelength light is scattered in other directions.