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Propertius, Sextus

(Encyclopedia)Propertius, Sextus sĕkˈstəs prōpûrˈshəs [key], c.50 b.c.–c.16 b.c., Roman elegiac poet, b. Umbria. He was a member of the circle of Maecenas. A master of the Latin elegy, he wrote with vigor,...

celestial horizon

(Encyclopedia)celestial horizon, one axis of the altazimuth coordinate system. It is the great circle on the celestial sphere midway between the observer's zenith and nadir; it divides the celestial sphere into two...

Bodø

(Encyclopedia)Bodø bōˈdö [key], city, capital of Nordland co., W Norway, at the mouth of the Saltfjord,...

Illinois, University of

(Encyclopedia)Illinois, University of, main campus at Urbana-Champaign; land-grant with state and federal support; coeducational; chartered 1867, opened 1868 as Illinois Industrial Univ., renamed 1885. It pioneered...

formula, in mathematics and physics

(Encyclopedia)formula, in mathematics and physics, equation expressing a definite fixed relationship between certain quantities. The quantities are usually expressed by letters, and their relationship is indicated ...

Held, Julius Samuel

(Encyclopedia)Held, Julius Samuel, 1905–2002, American art historian, b. Germany. Held immigrated to the United States in 1934. In 1937 he began to teach at Barnard College, where he was professor of art history ...

Vorkuta

(Encyclopedia)Vorkuta vərko͞otäˈ [key], city (2010 pop. 70,548), Komi Republic, NE European Russia, above the Arctic Circle. It is the industrial center of the Pechora coal basin. Founded in 1932 as the site of...

Weyprecht, Karl

(Encyclopedia)Weyprecht, Karl kärl vīˈprĕkht [key], 1838–81, German arctic explorer. With Julius von Payer he made a voyage to Novaya Zemlya in 1871. Weyprecht and Payer were leaders of an Austrian expedition...

Wilson, Lanford

(Encyclopedia)Wilson, Lanford, 1937–2011, American playwright, b. Lebanon, Mo. An important figure in modern drama, he was a master of earthy, realistic dialogue in which monologue, conversation, and direct addre...

jaeger

(Encyclopedia)jaeger yāˈgər [key], common name for several members of the family Stercorariidae, member of a family of hawklike sea birds closely related to the gull and the tern. The skua is also a member of th...