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Jackson, Frederick George

(Encyclopedia)Jackson, Frederick George, 1860–1938, British arctic explorer. He explored (1893–94) the tundra in arctic Russia and in Lapland, and he commanded (1894–97) the Jackson-Harmsworth expedition that...

Wyandotte

(Encyclopedia)Wyandotte wīˈəndŏt [key], industrial city (1990 pop. 30,938), Wayne co., SE Mich., a suburb of Detroit on the Detroit River; inc. as a city 1867. Salt deposits there supply the city's extensive ch...

Vesta, in astronomy

(Encyclopedia)Vesta vĕsˈtə [key], in astronomy, the fourth asteroid to be discovered. It was found in 1807 by H. Olbers. It is the third largest asteroid in size, with a diameter of c.326 mi (525 km). Its averag...

map projection

(Encyclopedia)map projection, transfer of the features of the surface of the earth or another spherical body onto a flat sheet of paper. Only a globe can represent accurately the shape, orientation, and relative ar...

weather vane

(Encyclopedia)weather vane or wind vane, instrument used to indicate wind direction. It consists of an asymmetrically shaped object, e.g., an arrow or a rooster, mounted at its center of gravity so it can move free...

stratosphere

(Encyclopedia)stratosphere strătˈəsfēr [key], second lowest layer of the earth's atmosphere. The level from which it extends outward varies with latitude; it begins c.51⁄2 mi (9 km) above the poles, c.6 or 7 ...

bean

(Encyclopedia)bean, name applied to the seeds of leguminous trees and shrubs and to various leguminous plants of the family Leguminosae (pulse family) with edible seeds or seed pods (legumes). The genera and specie...

boat

(Encyclopedia)boat, small, open nautical vessel propelled by sail, oar, pole, paddle, or motor. The use of the term boat for larger vessels, although common, is somewhat improper, but the line between boats and shi...

Arctic, the

(Encyclopedia)CE5 Arctic, the northernmost area of the earth, centered on the North Pole. The arctic regions are not coextensive with the area enclosed by the Arctic Circle (lat. 66°30′N) but are usually defi...

Sebastiano del Piombo

(Encyclopedia)Sebastiano del Piombo sābästyäˈnō dĕl pyômˈbō [key], c.1485–1547, Italian painter of the Venetian school, whose real name was Sebastiano Luciani. Although he was trained by Giovanni Bellini...