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Barnard, Henry

(Encyclopedia)Barnard, Henry, 1811–1900, American educator, b. Hartford, Conn., grad. Yale, 1830. He studied law and was admitted to the bar in 1835. As a member (1837–39) of the Connecticut legislature, he ori...

retrograde motion

(Encyclopedia)retrograde motion, in astronomy, real or apparent movement of a planet, dwarf planet, moon, asteroid, or comet from east to west relative to the fixed stars. The most common direction of motion in the...

perturbation

(Encyclopedia)perturbation pŭrˌtərbāˈshən [key], in astronomy and physics, small force or other influence that modifies the otherwise simple motion of some object. The term is also used for the effect produce...

Eichler, August Wilhelm

(Encyclopedia)Eichler, August Wilhelm ouˈgo͝ost vĭlˈhĕlm īkhˈlər [key], 1839–87, German botanist. He worked out the symmetry of the parts of a flower and developed a system of plant classification which, ...

Farnsworth, Philo Taylor

(Encyclopedia)Farnsworth, Philo Taylor, 1906–71, American inventor, b. Beaver, Utah, grad. Brigham Young Univ., 1925. He demonstrated (1927) a working model of a television system. His “dissector tube” (calle...

Fournier, Pierre Simon

(Encyclopedia)Fournier, Pierre Simon pyĕr sēmôNˈ fo͞ornyāˈ [key], 1712–68, Parisian type founder. Fournier devised the first point system for measuring and naming sizes of type in 1737. He designed a numbe...

Australian Alps

(Encyclopedia)Australian Alps, chain of mountain ranges, SE Australia, in the state of Victoria and New South Wales, making up the southern part of the Eastern Highlands and forming the watershed between the Murray...

Ket

(Encyclopedia)Ket kĕˈtyə [key], river, c.845 mi (1,360 km) long, W central Siberian Russia. It rises in central Siberia, just N of Krasnoyarsk, and flows NW and W into the Ob. The Ket is navigable c.410 mi (660 ...

Mineral Wells

(Encyclopedia)Mineral Wells, city (1990 pop. 14,870), Palo Pinto and Parker counties, N Tex.; inc. 1882. Aluminum products, bottled mineral water, clothing, and pharmaceuticals are produced, and there is gas proces...

Lindsey, Benjamin Barr

(Encyclopedia)Lindsey, Benjamin Barr (Ben Lindsey), 1869–1943, American judge and reformer, b. Jackson, Tenn. As judge of the juvenile court of Denver from 1900 to 1927, he founded the American juvenile court sys...