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Explain how beautiful sunrises and sunsets are the result of dust in the atmosphere?
Photo Credit: Erik Herman
This phenomenon in which small particles reflect certain wavelengths of light is called Rayleigh Scattering named after the physicist Lord Rayleigh (1842-1919).
Now at sunset, the light passes through more atmosphere and dust particles on the horizon. This dust scatters the larger wavelength red and orange light and hence creates the brilliant sunset. In Sedona AZ, the scattered light is so elaborate and beautiful that people cheer and applaud the sunset every night.