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Alvan Graham Clark
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Alvan Graham Clark (* 10. Juli 1832 in Fall River, Massachusetts; β 9. Juni 1897 in Cambridge, Massachusetts) war ein US-amerikanischer Astronom und Teleskopbauer.
Er war der Sohn des Teleskopbauers Alvan Clark. Am 31. Januar 1862 entdeckte er Sirius B, den Begleiter des Sirius. Dies war der erste entdeckte WeiΓe Zwerg.
1881 wurde Clark zum Mitglied der American Academy of Arts and Sciences in Cambridge, Massachusetts gewΓ€hlt.cite-ref-1[1]
Der Mondkrater Clark ist nach ihm und seinem Vater benannt.cite-ref-2[2]
Contents
β’ Weblinks
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Weblinks
β’ O. C. Wendell, G. E. Hale: Alvan Graham Clark. In: Astrophysical Journal, vol. 6 (1897), S. 136β138. (Nachrufe, englisch)
Einzelnachweise
cite-note-11. β Members of the American Academy. Listed by election year, 1850β1899. (PDF, 50 kB) bei der American Academy of Arts and Sciences (amacad.org).