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batholith

(Encyclopedia)batholith, enormous mass of intrusive igneous rock, that is, rock made of once-molten material that has solidified below the earth's surface (see rock). Batholiths usually are granitic (see granite) i...

Collins, Wilkie

(Encyclopedia)Collins, Wilkie (William Wilkie Collins), 1824–89, English novelist. Although trained as a lawyer, he spent most of his life writing. He produced some 30 novels, the best known of which are two myst...

Reagan, John Henninger

(Encyclopedia)Reagan, John Henninger rēˈgən [key], 1818–1905, American political leader, b. Sevierville, Tenn. He moved to Texas in 1839, became a lawyer, and held several state offices before serving (1857–...

Arrokoth

(Encyclopedia)Arrokoth, trans-Neptunian object in the Kuiper Belt (see comet). First observed by the Hubble Space Telescope in 2014 and later nicknamed Ultima Thule (until its official naming in late 2019), it beca...

Morton, Thomas

(Encyclopedia)Morton, Thomas, fl. 1622–47, English trader and adventurer in New England. He visited New England in 1622 and returned in 1625 with Captain Wollaston, who founded a settlement at Mt. Wollaston (now ...

Lynch, David (Keith)

(Encyclopedia)Lynch, David (Keith), 1946–, American film and television writer, producer, and director, b. Missoula, Mont. Trained as a painter, he studied at the Corcoran School of Art, Washington, D.C. (1963–...

marathon race

(Encyclopedia)marathon race, long-distance foot race deriving its name from Marathon, Greece. According to legend, in 490 b.c., Pheidippides, a runner from Marathon, carried news of victory over the Persians to Ath...

Narmada

(Encyclopedia)Narmada nərmŭˈdə [key], river, c.775 mi (1,250 km) long, rising in Madhya Pradesh state, central India, and flowing W between the Satpura and Vindhya ranges through Gujarat state to the Gulf of Kh...

Greely, Adolphus Washington

(Encyclopedia)Greely, Adolphus Washington, 1844–1935, American army officer and arctic explorer, b. Newburyport, Mass. Entering the Union army at 17, he emerged a brevet major of volunteers at the end of the Civi...

Intracoastal Waterway

(Encyclopedia)Intracoastal Waterway, c.3,000 mi (4,827 km) long, partly natural, partly artificial, providing sheltered passage for commercial and leisure boats along the U.S. Atlantic coast from Boston, Mass. to K...