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observatory

(Encyclopedia)observatory, scientific facility especially equipped to detect and record naturally occurring scientific phenomena. Although geological and meteorological observatories exist, the term is generally ap...

Prague

(Encyclopedia)Prague präg, prāg [key], Czech Praha, Ger. Prag, city (1993 pop. 1,216,500), capital and largest city of the Czech Republic and former capital of Czechoslovakia, on both banks of the Vltava (Ger. Mo...

comet

(Encyclopedia)CE5 Comet: Whatever the direction of a comet's flight, its “tail” always points away from the sun. The tail disappears when the comet is far from the sun. comet [Gr.,=longhaired], a small cele...

Renaissance

(Encyclopedia)Renaissance rĕnəsänsˈ, –zänsˈ [key] [Fr.,=rebirth], term used to describe the development of Western civilization that marked the transition from medieval to modern times. This article is conc...

Tunisia

(Encyclopedia)CE5 Tunisia to͞onēˈzhə, tyo͞o– [key], Fr. Tunisie, officially Republic of Tunisia, republic (2015 est. pop. 11,274,000), 63,378 sq mi (164,150 sq km), NW Africa. Occupying the eastern portio...

French Revolution

(Encyclopedia)French Revolution, political upheaval of world importance in France that began in 1789. The French Revolution, though it seemed a failure in 1799 and appeared nullified by 1815, had far-reachin...