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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...

Bir Tawil

(Encyclopedia)Bir Tawil, unclaimed territory, c.795 sq mi (2,060 km), along the E Egypt-Sudan border W of the Halayeb Triangle. Its unclaimed status arose from the peculiarities the disputed border: Bir Tawil lies ...

Leibovitz, Annie

(Encyclopedia)Leibovitz, Annie lēbˈəvĭts [key], 1949–, American photographer, b. Waterbury, Conn., as Anna-Lou Leibovitz. A celebrated portrait photographer, she began contributing photographs to Rolling Ston...

Knight, Bobby

(Encyclopedia)Knight, Bobby (Robert Montgomery Knight), 1940–, American basketball coach, b. Massillon, Ohio. A point guard at Ohio State (grad. 1962), Knight became (1963) an assistant coach at West Point and tw...

Venizelos, Evangelos

(Encyclopedia)Venizelos, Evangelos vĕnēzēˈlōs [key], 1957–, Greek politician, b. Thessaloniki, Ph.D. Aristotle Univ. of Thessaloniki, 1980. Since the 1980s he has been a professor of constitutional law at h...

Sierra Club

(Encyclopedia)Sierra Club, national organization in the United States dedicated to the preservation and expansion of the world's parks, wildlife, and wilderness areas. Founded (1892) in California by a group led by...

Crotona

(Encyclopedia)Crotona both: krōˈtən [key], ancient city, S Italy, on the east coast of Bruttium (now Calabria), a colony of Magna Graecia founded c.708 b.c. There Pythagoras established his school, which exerted...

Olympia, city, United States

(Encyclopedia)Olympia, city (1990 pop. 33,840), state capital, and seat of Thurston co., W Wash., at the southern tip of Puget Sound, on Budd Inlet; inc. 1859. A port of entry, it ships lumber products and agricult...

Owens, Jesse

(Encyclopedia)Owens, Jesse, 1913–80, U.S. track star, b. Alabama. He was also called John Cleveland Owens, although his original name was said to be simply J. C. Owens. After his family moved to Cleveland he exce...

Holyfield, Evander

(Encyclopedia)Holyfield, Evander, 1962–, American boxer, b. Atmore, Ala. Favored to win the 1984 Olympic heavyweight title, but victim of a controversial disqualification, he turned professional and became cruise...