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Date: 2016-08-18 14:42:58Electromagnetic radiation Astrology Nature Eclipses Diffraction Optical filter Ultraviolet Sun Solar eclipse Diffraction grating | On August 21, 2017, a total solar eclipse will cross the United States in a path from northwestAdd to Reading ListSource URL: eclipse.siu.eduDownload Document from Source WebsiteFile Size: 2,13 MBShare Document on Facebook |