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National Dialogue Quartet

(Encyclopedia)National Dialogue Quartet, informal grouping of four Tunisian civil society organizations formed in mid-2013 to facilitate political dialogue in Tunisia that would lead to consensus on the adoption of...

Council of the European Union

(Encyclopedia)Council of the European Union, institution of the European Union (EU) that has the final vote on legislation proposed by the European Commission and approved by the European Parliament; in some cases ...

center of mass

(Encyclopedia)center of mass, the point at which all the mass of a body may be considered to be concentrated in analyzing its motion. The center of mass of a sphere of uniform density coincides with the center of t...

Fiordland National Park

(Encyclopedia)Fiordland National Park, 4,868 sq mi (12,601 sq km), on the Tasman Sea, SW South Island, New Zealand. New Zealand's largest national park, it was established as a reserve in 1904 and designated a nati...

Yoho National Park

(Encyclopedia)Yoho National Park yōˈhō [key], 507 sq mi (1,313 sq km), SE British Columbia, Canada, in the Rocky Mts. at the Alta. border; est. 1886. It lies W of the Continental Divide, adjoining Banff and Koot...

Auyuittuq National Park

(Encyclopedia)Auyuittuq National Park ouyo͞oˈətək, –ətŭkˌ [key], c.8,290 sq mi (21,470 sq km), E Baffin Island near Pangnirtung, Nunavut Territory, Canada; est. 1972. Located on the Cumberland Peninsula, i...

Aristarchus of Samos

(Encyclopedia)Aristarchus of Samos ărˌĭstärˈkəs, sāˈmŏs [key], fl. c.310 b.c.–c.230 b.c., Greek astronomer and mathematician of the Alexandrian school. He is said to have been the first to propose a heli...

Redwood National Park

(Encyclopedia)Redwood National Park, 112,430 acres (45,518 hectares), along the Pacific coast, NW Calif.; est. 1968. Backed by coastal bluffs, 40 mi (64 km) of beach, lagoon, and rocky coast are preserved in their ...

Canadian National Railway

(Encyclopedia)Canadian National Railway, rail system in Canada and the United States, extending from coast to coast in Canada with many branch lines in each province and in the United States. The system began as an...

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