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Tortosa

(Encyclopedia) TortosaTortosatōrtōˈsə [key], city (1990 pop. 29,970), Tarragona prov., NE Spain, in Catalonia, on the Ebro (Ebre) River. It has a fishing industry and light manufacturing, producing…

Hubble, Edwin Powell

(Encyclopedia) Hubble, Edwin Powell, 1889–1953, American astronomer, b. Marshfield, Mo. He did research (1914–17) at Yerkes Observatory, and joined (1919) the staff of Mt. Wilson Observatory,…

Meudon

(Encyclopedia) MeudonMeudonmödôNˈ [key], town (1990 pop. 46,173), Hauts-de-Seine dept., N central France, a suburb SW of Paris. Metal products, automobile bodies, and explosives are the chief…

Loomis, Elias

(Encyclopedia) Loomis, Elias, 1811–89, American physicist and mathematician, b. Willington, Conn., grad. Yale, 1830. He taught at Western Reserve (1837–44), at New York Univ. (1844–47, 1849–60), and…

Airy, Sir George Biddell

(Encyclopedia) Airy, Sir George Biddell, 1801–92, English astronomer. The son of a poor farmer, he distinguished himself as Senior Wrangler at Cambridge, where he was elected fellow of Trinity…

Donati, Giovanni Battista

(Encyclopedia) Donati, Giovanni BattistaDonati, Giovanni Battistajōvänˈnē bät-tēsˈtä dōnäˈtē [key], 1826–73, Italian astronomer, b. Pisa. Serving as director of the Florence Observatory from 1864, he…

prime meridian

(Encyclopedia) prime meridian, meridian that is designated zero degree (0°) longitude, from which all other longitudes are measured. By international convention, it passes through the site of the…

Amici, Giovanni Battista

(Encyclopedia) Amici, Giovanni BattistaAmici, Giovanni Battistajōvänˈnē bät-tēsˈtä ämēˈchē [key], 1786–1863, Italian astronomer, mathematician, and naturalist. He became director of the observatory…

Bradley, James

(Encyclopedia) Bradley, James, 1693–1762, English astronomer. His discovery of the aberration of light, announced in 1728, provided an important line of evidence for the motion of the earth around…

The Vice President's House

The Question: Where does the vice president live? The Answer: In July 1974 Congress designated a house on the southeast corner of 34th Street and Massachusetts Avenue in Washington DC where the…