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infrared astronomy

(Encyclopedia)infrared astronomy, study of celestial objects by means of the infrared radiation they emit, in the wavelength range from about 1 micrometer to about 1 millimeter. All objects, from trees and building...

Baikonur Cosmodrome

(Encyclopedia)Baikonur or Baykonur Cosmodrome both: bīˌkəno͞orˈ [key], formerly secret aerospace launch complex, Qyzylorda prov., S central Kazakhstan, near Baikonur (originally, 1958–95, Leninsk) but c.200 ...

Orbiting Astronomical Observatory

(Encyclopedia)Orbiting Astronomical Observatory (OAO), series of four orbiting observatories (see observatory, orbiting) launched between 1966 and 1972 by the National Aeronautics and Space Administration (NASA) to...

air traffic control

(Encyclopedia)air traffic control, the system by which airplanes are safely routed into and out of major airports. Air traffic control in the United States is centered in a number of regional control centers that r...

Frankland, William

(Encyclopedia)Frankland, William (Alfred William Frankland), 1912–2020, British allergist and immunologist. He studied medicine at Queens College, Oxford, and St. Mary's Hospital Medical School (now part of Imper...

Andrée, Salomon August

(Encyclopedia)Andrée, Salomon August säˈlo͞omôn ouˈgəst ändrāˈ [key], 1854–97, Swedish polar explorer, grad. Royal Inst. of Technology, Stockholm. An aeronautical engineer and head of the Swedish patent...

Eliasson, Olafur

(Encyclopedia)Eliasson, Olafur, 1967–, Danish sculptor, architect, and installation artist. His work is influenced by nature and natural phenomena. Early works involved frozen water droplets, electric fans, and s...

Australian terrier

(Encyclopedia)Australian terrier, breed of small, hardy terrier perfected in Australia c.1885. It stands about 10 in. (25.4 cm) high at the shoulder and weighs from 12 to 14 lb (5.5–6.4 kg). Its weather-resistant...

weathering

(Encyclopedia)weathering, collective term for the processes by which rock at or near the earth's surface is disintegrated and decomposed by the action of atmospheric agents, water, and living things. Some of these ...

border terrier

(Encyclopedia)border terrier, breed of hardy, medium-sized terrier developed in the Border districts of N England in the 18th and 19th cent. It stands about 12 in. (30 cm) high at the shoulder and weighs from 131�...