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Enceladus

(Encyclopedia)Enceladus ĕnsĕlˈədəs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn II (or S2), Enceladus is 310 mi (500 km) in diameter, orbits Saturn at a m...

asthenosphere

(Encyclopedia)asthenosphere ăsthēnˈəsfēr [key], region in the upper mantle of the earth's interior, characterized by low-density, semiplastic (or partially molten) rock material chemically similar to the overl...

lionfish

(Encyclopedia)lionfish, common name for a genus (Pterois) of the family Scorpaenidae (see rockfish), comprising venomous subtropical marine fish native to the South Pacific, the Indian Ocean, and the Red Sea. Nativ...

Polynesia

(Encyclopedia)Polynesia pŏlĭnēˈzhə, –shə [key] [Gr.,=many islands], one of the three main divisions of Oceania, in the central and S Pacific Ocean. The larger islands are volcanic; the smaller ones are gene...

Coral Sea

(Encyclopedia)Coral Sea, southwest arm of the Pacific Ocean, between Australia, New Guinea, and Vanuatu. The Great Barrier Reef lies along its western edge. During World War II it was the scene of the battle of the...

Coronel

(Encyclopedia)Coronel kōrōnĕlˈ [key], S central Chile, a port on the Pacific Ocean. Part of the Great C...

Clipperton Island

(Encyclopedia)Clipperton Island, uninhabited atoll, c.2 sq mi (5.2 sq km), in the Pacific Ocean, c.800 mi (1,290 km) SW of Mexico. It was used as a base by John Clipperton, an English pirate. The French claimed it ...

Essequibo

(Encyclopedia)Essequibo ĕsākēˈbō [key], longest river of Guyana, c.600 mi (970 km) long, rising in the Guiana Highlands, S Guyana, and flowing generally N to the Atlantic Ocean. Most of the river's course is b...

Foyle

(Encyclopedia)Foyle foil [key], river, c.10 mi (16 km) long, formed by the junction of the Mourne and Finn rivers at Strabane, which is on the border between Limavady and Derry dists., W Northern Ireland. It flows ...

Moroni

(Encyclopedia)Moroni mōrōˈnē [key], town (1990 pop. 23,432), capital of Comoros, on Njazidja (formerly Grande Comore) island, at the northern end of the Mozambique Channel, an arm of the Indian Ocean. Moroni is...