Smithsonian Astrophysical Observatory

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191	PDF Document Add to Reading List Source URL: www.nasonline.org Language: English - Date: 2011-11-14 11:42:29 Solar variation Solar constant Samuel Pierpont Langley Abbot Charles Doolittle Walcott Smithsonian Astrophysical Observatory Sun Smithsonian Institution Loyal Blaine Aldrich Science Charles Greeley Abbot United States
192	PDF Document Add to Reading List Source URL: www.nasonline.org Language: English - Date: 2012-07-20 14:28:36 Atmospheric sciences Photovoltaics Light sources Samuel Pierpont Langley Solar constant Bolometer Langley Allegheny Observatory Smithsonian Astrophysical Observatory Radiometry Physics Technology
193	72Goldberg Add to Reading List Source URL: books.nap.edu Language: English - Date: 2010-06-14 05:43:02 Science Leo Goldberg McMath–Hulbert Observatory Robert Raynolds McMath Donald Howard Menzel Kitt Peak National Observatory Smithsonian Astrophysical Observatory Observatory Association of Universities for Research in Astronomy Astronomy Science and technology in the United States University of Michigan