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Date: 2011-10-25 11:00:44Donald Howard Menzel United States Adriaan van Maanen Aller Leo Goldberg Harlow Shapley Nebula Astronomical Society of the Pacific Galaxy Astronomy Science Astrophysics | NATIONAL ACADEMY OF SCIENCES LAWRENCE HUGH ALLERAdd to Reading ListSource URL: www.nasonline.orgDownload Document from Source WebsiteFile Size: 1,19 MBShare Document on Facebook |