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oracle

(Encyclopedia)oracle, in Greek religion, priest or priestess who imparted the response of a god to a human questioner. The word is also used to refer to the response itself and to the shrine of a god. Every oracula...

Nemrut, Mount

(Encyclopedia)Nemrut, Mount, Turk. Nemrut Dağ, mountain in SE Turkey, in the Anti-Taurus Mts. Rising 7,052 ft (2,150 m), it is the site of the mausoleum of Antiochus I (c.69–c.34 b.c.), king of ancient Commagene...

petrology

(Encyclopedia)petrology, branch of geology specifically concerned with the origin, composition, structure, and properties of rocks, primarily igneous and metamorphic, and secondarily sedimentary. It includes petrog...

Pythagoras of Rhegium

(Encyclopedia)Pythagoras of Rhegium rēˈjəm [key], fl. 5th cent. b.c., Greek sculptor. In a signature on a pedestal at Olympia he declares himself a Samian, but the period of his training and work belongs to Rheg...

Olbia

(Encyclopedia)Olbia ŏlˈbēə [key], Ionic Greek colony of Miletus, founded at the beginning of the 6th cent. b.c. It is on the right bank of the Buh River between Mykolayiv and Ochakiv, S central Ukraine. The lea...

caduceus

(Encyclopedia)caduceus kədyo͞oˈsēəs [key], wing-topped staff, with two snakes winding about it, carried by Hermes, given to him (according to one legend) by Apollo. The symbol of two intertwined snakes appeare...

Orestes, in Greek mythology

(Encyclopedia)Orestes, in Greek mythology, the only son of Clytemnestra and Agamemnon and brother of Electra and Iphigenia. After the slaying of Agamemnon by Clytemnestra and Aegisthus, Orestes, still a boy, was se...

space exploration

(Encyclopedia)CE5 Moon mission assembly CE5 Stages in a moon mission shown counterclockwise from launching on the first day to splashdown on the ninth day. space exploration, the investigation of physical co...

Armstrong, Neil Alden

(Encyclopedia)Armstrong, Neil Alden, 1930–2012, American astronaut, b. Wapakoneta, Ohio, grad. Purdue Univ. (B.S., 1955), Univ. of Southern California (M.S., 1970). A U.S. Navy fighter pilot during the Korean War...

sun worship

(Encyclopedia)sun worship. Deification and adoration of the sun occurred primarily in agrarian societies. When man became a farmer, and thus dependent upon daily and seasonal changes of weather, he often turned to ...