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Posted by Sam Patterson on October 20, 2002 17:11:45 UTC

I'm not an expert, but I have read of this before.

Arthur Compton discovered that light is scattered off an electron. This isn't a big deal, but he also discovered that the light which was reflected of the electron had a different wavelength than the original light.

His experiment showed that light was more of a photon than a wave.

My point about the Compton scattering and the cosmic backround radiation is this,

The cosmic backround radiation would go through huge fields of gas on the way to our insturments. Due to Compton scatter, the wavelengths would be slightly changed as they passed through these fields of gas. Our instruments would register a change of radiation tempurature, but it would actually be a change in radiation wavelength (intensity).


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