天文学家

Alvan Graham Clark

1832 - 1897

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阿尔万·格雷厄姆·克拉克（Alvan Graham Clark，1832年7月10日—1897年6月9日）是一位美国天文学家和望远镜制造商。 1832年7月10日，他出生在马萨诸塞州福尔里弗，是阿尔万·克拉克的儿子，阿尔万·克拉克父子公司创始人之一。 1862年1月31日，当他在测试马萨诸塞州剑桥港一架新的18.5英寸（47厘米）口径大型折射电望远镜时，第一次观测到了一颗白矮星。这颗天狼星B或昵称为"小狗"的发现，证明了1844年弗里德里希·威廉·贝塞尔的假设-夜空中最亮的天狼星（视星等为−1.46）有一颗扰动它运行的隐形伴星。 在维基百科上阅读更多

他的传记在维基百科上提供 20 种语言版本。Alvan Graham Clark在最受欢迎的天文学家中排名第400位（较 2024 年的第367位下降），在美国人物传记中排名第5871位（较 2019 年的第5482位下降），并在最受欢迎的美国天文学家中排名第75位。

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Among 天文学家

Among 天文学家, Alvan Graham Clark ranks 400 out of 644. Before him are Chushiro Hayashi, James Gunn, Paris Pişmiş, Gustav Spörer, Kiyotsugu Hirayama, and Viktor Knorre. After him are Henry E. Holt, Dorothea Klumpke, Ludwig Biermann, Geoffrey Burbidge, Jill Tarter, and Michael E. Brown.

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Contemporaries

Among people born in 1832, Alvan Graham Clark ranks 65. Before him are Colin Archer, Leslie Stephen, Gheorghe Grigore Cantacuzino, Pavel Chistyakov, Johann Joseph Abert, and Lina Sandell. After him are Lucretia Garfield, Miroslav Tyrš, Heinrich XIV, Prince Reuss Younger Line, Carl Friedrich Schmidt, Larin Paraske, and Max Lange. Among people deceased in 1897, Alvan Graham Clark ranks 57. Before him are Dimitrie Ghica, Rutherford Alcock, Lea Ahlborn, Charles-Denis Bourbaki, Édouard Deldevez, and Japetus Steenstrup. After him are Jules de Burlet, William Henry Conley, Heinrich von Stephan, James Legge, Alfred Des Cloizeaux, and Aleko Konstantinov.

Others Born in 1832

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Others Deceased in 1897

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In 美国

Among people born in 美国, Alvan Graham Clark ranks 5,873 out of NaN. Before him are Haskell Curry (1900), Sam J. Jones (1954), Richard N. Frye (1920), Walter Sutton (1877), Ralph Hartley (1888), Ernest Fenollosa (1853), Gus Hall (1910), and Arleigh Burke (1901). After him are Michael Cole (1968), Mark Tornillo (1954), Paul J. Weitz (1932), and Syd Field (1935).

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Among 天文学家 In 美国

Among 天文学家 born in 美国, Alvan Graham Clark ranks 75. Before him are Robert Herman (1914), Brian Schmidt (1967), James Edward Keeler (1857), Margaret Geller (1947), Harold D. Babcock (1882), and James Gunn (1938). After him are Henry E. Holt (1929), Dorothea Klumpke (1861), Jill Tarter (1944), Michael E. Brown (1965), George Herbig (1920), and Herbert Friedman (1916).

美国人 born 天文学家

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