Abstract
SINCE Lord Rayleigh discussed the question of molecular scattering, and its bearing on the explanation of the blue colour of the sky, our experimental and observational data have become much more trustworthy. While our knowledge of the number of molecules in a gas allows us now to calculate with sufficient accuracy the amount of direct sunlight which is diverted by scattering, Mr. Abbot's series of measurements at Washington and on Mount Wilson gives us the actual observed opacity of the air for different wave-lengths.
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SCHUSTER, A. Molecular Scattering and Atmospheric Absorption. Nature 81, 97–98 (1909). https://doi.org/10.1038/081097c0
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DOI: https://doi.org/10.1038/081097c0
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