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- Thu Aug 30, 2007 6:31 am
- Forum: The Asterisk Café: Discuss Anything Astronomy Related
- Topic: daytime sky
- Replies: 2
- Views: 3322
The blue color of the sky is due to Rayleigh scattering. As light moves through the atmosphere, most of the longer wavelengths pass straight through. Little of the red, orange and yellow light is affected by the air. However, much of the shorter wavelength light is absorbed by the gas molecules. The...