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celestial mechanics
(Encyclopedia)celestial mechanics, the study of the motions of astronomical bodies as they move under the influence of their mutual gravitation. Celestial mechanics analyzes the orbital motions of planets, dwarf pl...physics
(Encyclopedia)physics, branch of science traditionally defined as the study of matter, energy, and the relation between them; it was called natural philosophy until the late 19th cent. and is still known by this na...Kepler's laws
(Encyclopedia) CE5 Schematic representation of Kepler's second law: The areas ABF and A′B′F′ are equal and are swept out in equal intervals of time by a planet orbiting around the sun (at F). Kepler's laws...Gilgamesh
(Encyclopedia)Gilgamesh gĭlˈgəmĕsh [key], in Babylonian legend, king of Uruk. He is the hero of the Gilgamesh epic, written on 12 tablets c.2000 b.c. and discovered among the ruins at Nineveh. The epic was lost...King, Carole
(Encyclopedia) King, Carole, 1942-, American singer-songwriter, b. New York, N.Y., as Carole Joan Klein. King enjoyed two separate careers; in the early ‘60s, she ...John V, Byzantine emperor
(Encyclopedia)John V (John Palaeologus) pālˌēŏlˈəgəs [key], 1332–91, Byzantine emperor (1341–91), son and successor of Andronicus III. Forced to fight John VI (John Cantacuzene), who usurped the throne d...John, Saint
(Encyclopedia)John, Saint, one of the Twelve Apostles, traditional author of the fourth Gospel, three letters, and the Book of Revelation (see John, Gospel according to Saint; John, letters; Revelation); it is high...Anne, queen of England, Scotland, and Ireland
(Encyclopedia)Anne, 1665–1714, queen of England, Scotland, and Ireland (1702–7), later queen of Great Britain and Ireland (1707–14), daughter of James II and Anne Hyde; successor to William III. Queen Anne ...John I, king of Hungary
(Encyclopedia)John I (John Zapolya) zäˈpôlyŏ [key], 1487–1540, king of Hungary (1526–40), voivode [governor] of Transylvania (1511–26). He was born John Zapolya, the son of Stephen Zápolya. The leader of...John II, king of Hungary and prince of Transylvania
(Encyclopedia)John II (John Sigismund Zapolya), 1540–71, king of Hungary and prince of Transylvania, son of John I. Through his mother, Isabel (daughter of Sigismund I of Poland), he was related to the Jagiello d...Browse by Subject
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