Nicholson , Seth Barnes
(1891–1963) American astronomer
Nicholson was the son of a farmer from Springfield, Illinois. He graduated from Drake University, Des Moines, Iowa, in 1912 and in 1915 obtained his PhD from the University of California. From then until his retirement in 1957 he worked at the Mount Wilson Observatory, California.
While still a graduate student at the Lick Observatory, Nicholson discovered the ninth satellite of Jupiter (Sinope) in 1914, working close to the limits of resolution of the Lick telescope and the photographic plates then available. He went on to discover a further three satellites, Jupiter X (Lysithea) and XI (Carme) in 1938 and Jupiter XII (Ananke) in 1951. All four satellites are very small, about 15–20 kilometers (9–12 mi) in diameter.
Nicholson studied the surface features and spectrum of the Sun and also, in collaboration with Edison Petit, worked on planetary and lunar temperatures. Thus they showed in 1927 that the Moon undergoes enormous temperature changes, for in the course of an eclipse its surface temperature dropped from 160°F to –110°F (71°C to –79°C) in about an hour.

Scientists. . 2011.

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  • Nicholson, Seth Barnes — ▪ American astronomer born Nov. 12, 1891, Springfield, Ill., U.S. died July 2, 1963, Los Angeles, Calif.       American astronomer best known for discovering four satellites of Jupiter: (Jupiter) the 9th in 1914 (at Lick Observatory, Mount… …   Universalium

  • Seth Barnes Nicholson — (* 12. November 1891 in Springfield, Illinois; † 2. Juli 1963 in Los Angeles) war ein US amerikanischer Astronom. Leben Nicholson wuchs in der ländlichen Umgebung von Illinois auf und besuchte später die Drake University, wo sein Interesse für… …   Deutsch Wikipedia

  • Seth Barnes Nicholson — (12 novembre 1891 – 2 juillet 1963) était un astronome américain. Il est né à Springfield, dans l État de l Illinois. Il fit ses études à la Drake University, où il se découvrit une passion pour l astronomie. Biographie En 1914 à l observatoire… …   Wikipédia en Français

  • Seth Barnes Nicholson — (12 de noviembre de 1891– 2 de julio de 1963) fue un destacado astrónomo estadounidense. Es el descubridor de cuatro lunas de Júpiter, además de un par de asteroides. Fue Editor en Jefe de la revista de astronomía Publications of the Astronomical …   Wikipedia Español

  • Seth Barnes Nicholson — Infobox Scientist name = PAGENAME box width = image size =150px caption = PAGENAME birth date = November 12, 1891 birth place = Springfield, Illinois death date = July 2, 1963 death place = Los Angeles residence = |citizenship = nationality =… …   Wikipedia

  • Seth Nicholson — Seth Barnes Nicholson Seth Barnes Nicholson (12 novembre 1891 – 2 juillet 1963) était un astronome américain. Il est né à Springfield, dans l état de l Illinois. Il fit ses études à la Drake University, où il se découvrit une passion pour l… …   Wikipédia en Français

  • Nicholson — Family name Meaning derived from Son of Nichol Region of origin England, Scotland Footnotes: [1] Nicholson is a surname of northern E …   Wikipedia

  • Nicholson — ist der Familienname folgender Personen: Alfred Osborn Pope Nicholson (1808–1876), US amerikanischer Politiker Arthur Nicholson (1947–1985), Major der US Army, das letzte Opfer des Kalten Krieges Ben Nicholson (1894–1982), britischer Maler und… …   Deutsch Wikipedia

  • Nicholson — es un apellido patronímico común en lengua inglesa. Su significado es hijo de Nicolás . Puede hacer referencia a las siguientes personas: Jack Nicholson, actor de cine estadounidense. William Nicholson, pintor e ilustrador de libros inglés. Ben… …   Wikipedia Español

  • Nicholson (Martian crater) — This article is about the crater on Mars. For other craters named Nicholson, see Nicholson (crater) Nicholson Planet Mars Coordinates …   Wikipedia

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