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White, Edward Higgins, 2d

(Encyclopedia)White, Edward Higgins, 2d, 1930–67, American astronaut, b. San Antonio. While serving as pilot of Gemini 4 (June 3–7, 1965), he became the first American to perform extravehicular activity. He had...

White, Ellen Gould (Harmon)

(Encyclopedia)White, Ellen Gould (Harmon), 1827–1915, leader of the Seventh-day Adventists, b. Gorham, Maine. Converted at the age of 15 to the beliefs of the Adventists, she began to receive visions accepted as ...

White, Sir George Stuart

(Encyclopedia)White, Sir George Stuart, 1835–1912, British field marshal. He first achieved distinction in the Afghan War of 1878–80. In Myanmar (1885–87), where he was knighted in 1886, in Baluchistan (1889â...

White, John, English colonizer

(Encyclopedia)White, John, 1575–1648, English colonizer. An Anglican priest of moderate Puritan belief, White wished to establish a colony for Puritans. He helped form (1628) the New England Company, which later ...

West Highland white terrier

(Encyclopedia)West Highland white terrier, breed of sturdy, compact terrier developed in Scotland in the early 19th cent. It stands about 11 in. (27.9 cm) high at the shoulder and weighs from 13 to 20 lb (5.9–9.1...

luminosity

(Encyclopedia)luminosity, in astronomy, the rate at which energy of all types is radiated by an object in all directions. A star's luminosity depends on its size and its temperature, varying as the square of the ra...

Tom Thumb

(Encyclopedia)Tom Thumb, 1838–83, American entertainer, whose original name was Charles Sherwood Stratton, b. Bridgeport, Conn. His career as General Tom Thumb began in 1842, when the showman P. T. Barnum gave hi...

kangaroo rat

(Encyclopedia)kangaroo rat, small, jumping desert rodent, genus Dipodomys, related to the pocket mouse. There are about 20 kangaroo rat species, found throughout the arid regions of Mexico and the S and W United St...

failed star

(Encyclopedia)failed star: see brown dwarf.

dwarfism

(Encyclopedia)dwarfism, condition in which an animal or plant is less than normal in size and lacks the capacity for normal growth. Dwarfism is deliberately produced and perpetuated in certain species (e.g., in bre...