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| What do you use the Internet
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| Asked by:
Anonymous on Jan-13-2009 19:24:16 | |
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| Answer
1 Contributor: Anonymous on Feb-14-2009 05:46:13 |
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The blue color of the sky is caused by the scattering of sunlight off the molecules of the atmosphere. This scattering, called Rayleigh scattering, is more effective at short wavelengths (the blue end of the visible spectrum). Therefore the light scattered down to the earth at a large angle with respect to the direction of the sun's light is predominantly in the blue end of the spectrum.
http://hyperphysics.phy-astr.gsu.edu/Hbase/atmos/blusky.html |  Report
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