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bent grass

(Encyclopedia)bent grass, any species of the genus Agrostis of the family Poaceae (grass family), chiefly slender, delicate plants native to cool climates. Many are used for forage or lawns. Important species natur...

Scholz's star

(Encyclopedia)Scholz's star, dim binary star system, consisting of a red dwarf and brown dwarf, in the constellation Monoceros, apparent magnitude 18.3. The red dwarf is a tiny star, with less than ten percent the ...

Murrow, Edward Roscoe

(Encyclopedia)Murrow, Edward Roscoe, 1908–65, American news broadcaster, b. Greensboro, N.C. He joined the Columbia Broadcasting System (CBS) in 1935 and became its European director two years later, assembling a...

Percier, Charles

(Encyclopedia)Percier, Charles shärl pĕrsyāˈ [key], 1764–1838, French architect. He won (1786) the Grand Prix de Rome, and in 1794 he became associated with Pierre François Léonard Fontaine. Napoleon appoin...

tornado

(Encyclopedia)tornado, dark, funnel-shaped cloud containing violently rotating air that develops below a heavy cumulonimbus cloud mass and extends toward the earth. The funnel twists about, rises and falls, and whe...

Mayakovsky, Vladimir Vladimirovich

(Encyclopedia)Mayakovsky, Vladimir Vladimirovich vlədyēˈmĭr vlədyēˈmĭrəvĭch mīˌəkôfˈskē [key], 1893–1930, Russian poet and dramatist. Mayakovsky was a leader of the futurist school in 1912, and he...

reconnaissance satellite

(Encyclopedia)reconnaissance satellite, artificial satellite launched by a country to provide intelligence information on the military activities of foreign countries. There are four major types. Early-warning sate...

Langmuir, Irving

(Encyclopedia)Langmuir, Irving lăngˈmyo͞or [key], 1881–1957, American chemist, b. Brooklyn, N.Y. Associated (1909–50) with the research laboratory of the General Electric Company, he introduced atomic-hydrog...

Lanfranco, Giovanni

(Encyclopedia)Lanfranco, Giovanni jōvänˈnē länfrängˈkō [key], 1582–1647, Italian painter. Lanfranco is considered one of the foremost artists of the High Baroque. He was trained by the Carracci and worked...

Hoyle, Sir Fred

(Encyclopedia)Hoyle, Sir Fred hoil [key], 1915–2001, British astrophysicist and mathematician, b. Bingley, Yorkshire. During the years of World War II, Hoyle primarily worked on technical problems related to rada...