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- Society of Photo-optical Instrumentation Engineers (237)
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- 国立天文台 (68)
- 北川, 敏男(1909-1993) (63)
- 江沢, 洋(1932-) (51)
- European Southern Observatory (49)
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- International Astronomical Union. General Assembly (45)
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- COSPAR. Plenary Meeting (42)
- 大槻, 義彦(1936-) (41)
- 文部省 (41)
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- International Astronautical Congress (37)
- European Space Agency (36)
- Hellwege, A. M. (36)
- Moore, Patrick, 1923- (35)
- 佐藤, 文隆(1938-) (35)
- 甘利, 俊一(1936-) (35)
- 荒木, 俊馬(1897-1978) (34)
- Landau, Lev Davidovich, 1908-1968 (33)
- Gamow, George, 1904-1968 (32)
- Arnolʹd, Vladimir Igorevich, 1937- (31)
- Kopal, Zdeněk, 1914- (31)
- Flügge, Siegfried (30)
- Tran, J. Thanh Van (30)
- United States Naval Observatory. Nautical Almanac Office (30)
- Hoyle, Fred, Sir, 1915-2001 (29)
- Needham, Joseph (Noel Joseph Terence Montgomery), 1900-1995 (29)
- Royal Greenwich Observatory (29)
- 宇宙科学研究所 (29)
- 藤井, 旭(1941-) (29)
- Einstein, Albert, 1879-1955 (28)
- Società italiana di fisica (27)
- 中央気象台 (27)
- 野尻, 抱影(1885-1977) (27)
- Chandrasekhar, S. (Subrahmanyan), 1910- (26)
- Lifshit︠s︡, E. M. (Evgeniĭ Mikhaĭlovich), 1915- (26)
- 一松, 信(1926-) (26)
- 東京帝国大学文学部史料編纂所 (26)
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- International School of Physics "Enrico Fermi" (25)
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- Asimov, Isaac, 1920-1992 (24)
- Sommerfeld, Arnold, 1868-1951 (24)
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- 鈴木, 敬信(1905-) (23)
- American Astronomical Society (22)
- Euler, Leonhard, 1707-1783 (22)
- Kepler, Johannes, 1571-1630 (22)
- Matthews, Mildred Shapley (22)
- Philip, A. G. Davis (22)
- 東京天文台 (22)
- 東京帝国大学文科大学史料編纂掛 (22)
- 高橋, 秀俊(1915-1985) (22)
- American Mathematical Society (21)
- Beer, Arthur, 1900- (21)
- Feynman, Richard Phillips, 1918-1988 (21)
- Jeffreys, Harold, Sir, 1891- (21)
- 朝永, 振一郎(1906-1979) (21)
- 桜井, 邦朋(1933-) (21)
- 森口, 繁一(1916-2002) (21)
- 湯川, 秀樹(1907-1981) (21)
- Born, Max, 1882-1970 (20)
- Hilbert, David, 1862-1943 (20)
- Holovna astronomichna observatorii︠a︡ (Akademii︠a︡ nauk Ukraïnsʹkoï RSR) (20)
- Marsden, Brian G. (20)
- 小平, 桂一(1937-) (20)
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- Hawking, Stephen W., 1942- (19)
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- Minor Planet Center (19)
- Narlikar, Jayant Vishnu, 1938- (19)
- Optical Society of America (19)
- Planck, Max, 1858-1947 (19)
- Poincaré, Henri, 1854-1912 (19)
- Ruffini, Remo (19)
- Runcorn, S. K. (19)
- Sagan, Carl, 1934-1996 (19)
- Schweizerische Gesellschaft für Astrophysik und Astronomie (19)
- 原, 康夫(1934-) (19)
- 地学団体研究会 (19)
- 竹内, 均(1921-) (19)
- 萩原, 雄祐(1897-1979) (19)
- Astronomical Society of the Pacific (18)