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coronagraph

(Encyclopedia)coronagraph kərōˈnəgrăfˌ [key], device invented by the French astronomer B. Lyot (1931) for the purpose of observing the corona of the sun and solar prominences occurring in the chromosphere. Be...

Davidson, George

(Encyclopedia)Davidson, George, 1825–1911, American geographer and astronomer, b. England. From 1845 to 1895 he was on the staff of the U.S. Coast and Geodetic Survey. He charted (1850–60) the U.S. Pacific coas...

Chamberlin, Thomas Chrowder

(Encyclopedia)Chamberlin, Thomas Chrowder, 1843–1928, American geologist, b. Mattoon, Ill., grad. Beloit College, 1866. He was professor of geology at Beloit (1873–82), president of the Univ. of Wisconsin (1887...

Jeans, Sir James Hopwood

(Encyclopedia)Jeans, Sir James Hopwood, 1887–1946, English mathematician, physicist, and astronomer. He was professor of applied mathematics at Princeton (1905–9), later lectured at Cambridge (1910–12) and Ox...

Maupertuis, Pierre Louis Moreau de

(Encyclopedia)Maupertuis, Pierre Louis Moreau de pyĕr lwē môrōˈ də mōpĕrtüēˈ [key], 1698–1759, French mathematician and astronomer. For his skillful support of Newton's theory he was admitted to the Ro...

Lowell, Percival

(Encyclopedia)Lowell, Percival, 1855–1916, American astronomer, b. Boston, grad. Harvard, 1876; brother of Abbott Lawrence Lowell and Amy Lowell. He visited Korea and Japan, where he acted as counselor and foreig...

Bürgi, Joost

(Encyclopedia)Bürgi, Joost or Jost, 1552–1632, Swiss mathematician and instrument maker. As the official clockmaker (1579–92) to Duke Wilhelm IV of Hesse-Kassell, he developed the first clock with a minute han...

Tübingen

(Encyclopedia)Tübingen tüˈbĭng–ən [key], city (1994 pop. 83,553), Baden-Württemberg, SW Germany, on the Neckar River. It is a cultural and industrial center; manufactures include textiles, machinery, metal ...

Queloz, Didier Patrick

(Encyclopedia)Queloz, Didier Patrick, 1966–, Swiss astronomer, Ph.D. Univ. of Geneva, 1995. He has been a member of the faculty at the Univ. of Geneva since 2003 (professor from 2008) and since 2013 also has been...

Rosse, William Parsons, 3d earl of

(Encyclopedia)Rosse, William Parsons, 3d earl of rôs [key], 1800–1867, British astronomer and constructor of telescopes. He served as member of Parliament for King's Co., Ireland (1821–34), Irish representativ...