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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...Lorelei
(Encyclopedia)Lorelei lôrˈəlī, Ger. lōˈrəlī [key], cliff, 433 ft (132 m) high, on the right bank of the Rhine River, near St. Goarshausen, W Germany, about midway between Koblenz and Bingen. There the Rhine...Mona Passage
(Encyclopedia)Mona Passage mōˈnä, –nə [key], strait, c.80 mi (130 km) wide, between Puerto Rico and the Dominican Republic. Connecting the N Atlantic Ocean with the Caribbean Sea, it is a favored shipping lan...Papahānaumokuākea Marine National Monument
(Encyclopedia)Papahānaumokuākea Marine National Monument, 582,578 sq mi (1,508,870 sq km), in the Pacific Ocean surrounding the NW Hawaiian Islands, c.270 mi (435 km) NW of Oahu; est. 2006 as Northwestern Hawaiia...Saint Croix, island, Virgin Islands
(Encyclopedia)Saint Croix sānt kroi [key], island (2010 pop. 50,601), 80 sq mi (207 sq km), the largest of the U.S. Virgin Islands, in the West Indies. Christiansted, on the northeast coast, is the island's leadin...Spruance, Raymond Ames
(Encyclopedia)Spruance, Raymond Ames spro͞oˈəns [key], 1886–1969, American admiral, b. Baltimore. Commissioned in the navy in 1908, he reached the rank of rear admiral in 1939. In World War II he distinguished...Lomonosov, Mikhail Vasilyevich
(Encyclopedia)Lomonosov, Mikhail Vasilyevich mēkhəyēlˈ vəsēˈlyəvĭch ləmənôˈsəf [key], 1711–65, Russian scientist, scholar, and writer, an outstanding figure in 18th-century Russia. Lomonosov was the...North Sea
(Encyclopedia)North Sea, arm of the Atlantic Ocean, c.222,000 sq mi (574,980 sq km), c.600 mi (1,000 km) long and c.400 mi (640 km) wide, NW of Central Europe. It washes the shores of Great Britain, Norway, Denmark...Buridan, Jean
(Encyclopedia)Buridan, Jean byo͝orˈĭdən, Fr. zhäN bürēdäNˈ [key], d. c.1358, French scholastic philosopher. Rector of the Univ. of Paris, he was a follower of William of Occam and a nominalist. Buridan pro...Bassas da India
(Encyclopedia)Bassas da India bäˌsäs də ēndyäˈ [key], uninhabited atoll, 0.1 sq mi (0.2 sq km), in the S Mozambique Channel, W Indian Ocean, about midway between Madagascar and Mozambique, part of the Scatte...Browse by Subject
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