Columbia Encyclopedia

(Encyclopedia) Amundsen Sea, arm of the S Pacific Ocean, W Antarctica, bordered by Thurston Island and Cape Dart. Off the coast of Marie Byrd Land, the sea was named after Norwegian explorer Roald Amundsen. ...

(Encyclopedia) sea mouse, marine worm of the genus Aphrodite with a short, broad, segmented body, found in moderately deep water. The upper, or dorsal, surface of a sea mouse bears 15 pairs of raised scales; the spa...

(Encyclopedia) Pallas, Peter Simon pāˈtər zēˈmôn päˈläs [key], 1741–1811, German naturalist and explorer. He became (1768) professor at the Academy of Sciences, St. Petersburg. In 1769, Pallas was a membe...

(Encyclopedia) Elburz ĕlbo͝orzˈ [key], mountain range, N Iran, between the Caspian Sea and the central Iranian plateau; rises to 18,606 ft (5,671 m) at Mt. Damavand. The range consists of steep, narrow, parallel ...

(Encyclopedia) sea pansy, fleshy, leaf-shaped colony of marine organisms belonging to the genus Renilla in the same phylum as the jellyfish. The colony consists of a stalk formed by a large organism called a primary...

(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...

(Encyclopedia) Ross Sea, arm of the Pacific Ocean, Antarctica, between Victoria Land and Marie Byrd Land. It was discovered in 1841 by Sir James Clark Ross, a British explorer. Ross Island with Mt. Erebus, an active...

(Encyclopedia) Marmara, Sea of, or Sea of Marmora, c.4,430 sq mi (11,474 sq km), NW Turkey, between Europe in the north and Asia in the south. The Sea of Marmara, c.175 mi (280 km) long and 50 mi (80 km) wide, is co...

(Encyclopedia) Volga vŏlˈgə, Rus. vôlˈgə [key], river, c.2,300 mi (3,700 km) long, central and E European Russia. It is the longest river of Europe and the principal waterway of Russia, being navigable (with l...

(Encyclopedia) Arafura Sea ärəfo͞oˈrə [key], shallow part of the Pacific Ocean, between the Timor and Coral seas, separating Australia from New Guinea. It contains several islands of Indonesia. The Torres Strai...