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cloud chamber
(Encyclopedia)cloud chamber, device used to detect elementary particles and other ionizing radiation. A cloud chamber consists essentially of a closed container filled with a supersaturated vapor, e.g., water in ai...thunderstorm
(Encyclopedia)thunderstorm, violent, local atmospheric disturbance accompanied by lightning, thunder, and heavy rain, often by strong gusts of wind, and sometimes by hail. The typical thunderstorm caused by convect...Saint Cloud
(Encyclopedia)Saint Cloud, city (1990 pop. 48,812), seat of Stearns co. and also in Benton and Sherburne counties, central Minn., on the Mississippi River; inc. 1856. Agriculture (dairying, poultry, livestock, grai...waterspout
(Encyclopedia)waterspout, tornado occurring at sea or over inland waters. The characteristic funnel-shaped cloud is formed at the base of a cumulus-type cloud and extends downward to the water surface, where it pic...Oort, Jan Hendrik
(Encyclopedia)Oort, Jan Hendrik ōrt [key], 1900–1992, Dutch astronomer. He confirmed (1927) Bertil Lindblad's theory of the Milky Way galaxy's rotation. In the 1950s he and his colleagues used radio astronomical...Oort cloud
(Encyclopedia)Oort cloud: see comet.White Cloud
(Encyclopedia)White Cloud: see Waubeshiek.Small Magellanic Cloud
(Encyclopedia)Small Magellanic Cloud: see Magellanic Clouds. ...Large Magellanic Cloud
(Encyclopedia)Large Magellanic Cloud: see Magellanic Clouds. ...Bighorn Mountains
(Encyclopedia)Bighorn Mountains, range of the Rocky Mts., N central Wyo., extending c.120 mi (190 km) N into S Montana, E of the Bighorn River. Cloud Peak, 13,165 ft (4,013 m), is the highest point. The glaciated m...Browse by Subject
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