(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…
(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…
(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.…
(Encyclopedia) NarmadaNarmadanərmŭˈdə [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…
(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…
(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…
(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…
(Encyclopedia) air mass, large body of air within the earth's atmosphere in which temperature and humidity, although varying at different heights, remain similar throughout the body at any one height…
(Encyclopedia) X Prize Foundation, private, nonprofit prize institute est. 1995 by commercial space entrepreneur Peter Diamandis. Based in Santa Monica, Calif., and funded by foundations and private…
