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OpenStudy (anonymous):
why is the sky blue?
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OpenStudy (aaronq):
basically, b/c gas molecules scatter the light coming from the sun, blue light has a shorter wavelength so it is scatter more than other wavelengths of light. http://spaceplace.nasa.gov/blue-sky/
OpenStudy (anonymous):
thank you!
OpenStudy (aaronq):
no prob!
OpenStudy (anonymous):
The scattering is actually done by large groups of molecules acting together. An isolated molecule is by itself too small to scatter visible light.
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