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altitude

(Encyclopedia)altitude, vertical distance of an object above some datum plane, such as mean sea level or a reference point on the earth's surface. It is usually measured by the reduction in atmospheric pressure wit...

Redford, Robert

(Encyclopedia)Redford, Robert, 1937–, American actor and director, b. Santa Monica, Calif., as Charles Robert Redford, Jr. One of Hollywood's superstars, he began his acting career in 1959, scoring his first big ...

Byrd, Harry Flood

(Encyclopedia)Byrd, Harry Flood bûrd [key], 1887–1966, U.S. senator from Virginia (1933–65), b. Martinsburg, W.Va.; brother of Richard E. Byrd. Educated at Shenandoah Academy in Winchester, Va., he became publ...

constellation, in astronomy

(Encyclopedia)CE5 Constellations: Southern sky CE5 Constellations: Southern sky CE5 Constellations: Southern sky constellation, in common usage, group of stars that appear to form a configuration in the...

Letcher, John

(Encyclopedia)Letcher, John, 1813–84, American politician, b. Lexington, Va. He studied law and practiced at Lexington, where he also edited the Jacksonian Democrat Valley Star. In Congress (1851–59), he was kn...

Lewis, Jerry Lee

(Encyclopedia)Lewis, Jerry Lee, 1935–2022, American singer and composer, b. Ferriday, La. Combining country music elements with an energetic performance style, he w...

Key, Francis Scott

(Encyclopedia)Key, Francis Scott kē [key], 1779–1843, American poet, author of the Star-Spangled Banner, b. present Carroll co., Md. A lawyer, he was U.S. attorney for the District of Columbia (1833–41). His w...

Gable, Clark

(Encyclopedia)Gable, Clark, 1901–60, American film actor, b. Cadiz, Ohio. He began his career in films in 1930 and soon after became a star. He won an Academy Award in 1934 for his brilliant comic performance in ...

snakeroot

(Encyclopedia)snakeroot, name for several plants, among them black snakeroot (see bugbane), button snakeroot or blazing star, senega snakeroot (see milkwort), and white snakeroot. ...

Praesepe

(Encyclopedia)Praesepe prēsēˈpē [key] [Lat.,=manger], open star cluster in the constellation Cancer; cataloged as M44 or NGC 2632. It was first recorded by Hipparchus (c.150 b.c.). The cluster is often called t...