Columbia Encyclopedia

Search results

500 results found

Central Utah project

(Encyclopedia)Central Utah project, N central Utah; begun 1959 near Vernal, Utah, by the U.S. Bureau of Reclamation in conjunction with the Colorado River storage project. Water, collected from streams in the Uinta...

Copernicus, Nicholas

(Encyclopedia)Copernicus, Nicholas kōpûrˈnĭkəs [key], Pol. Mikotaj Kopérnik, 1473–1543, Polish astronomer. After studying astronomy at the Univ. of Kraków, he spent a number of years in Italy studying vari...

symbolic logic

(Encyclopedia)symbolic logic or mathematical logic, formalized system of deductive logic, employing abstract symbols for the various aspects of natural language. Symbolic logic draws on the concepts and techniques ...

Hough, George Washington

(Encyclopedia)Hough, George Washington hŭf [key], 1836–1909, American astronomer, b. Montgomery co., N.Y., grad. Union College, 1856. He discovered 627 double stars and made systematic studies of the surface of ...

astronomy

(Encyclopedia)astronomy, branch of science that studies the motions and natures of celestial bodies, such as planets, stars, and galaxies; more generally, the study of matter and energy in the universe at large. ...

observatory, orbiting

(Encyclopedia)observatory, orbiting, research satellite designed to study solar radiation, electromagnetic radiation from distant stars, the earth's atmosphere, or the like. Because the atmosphere and other aspects...

Lincoln, Benjamin

(Encyclopedia)Lincoln, Benjamin, 1733–1810, American Revolutionary soldier, b. Hingham, Mass. He served under Horatio Gates in the Saratoga campaign before becoming (1778) commander in the South. In 1779 he faile...

Kitt Peak National Observatory

(Encyclopedia)Kitt Peak National Observatory, astronomical observatory located southwest of Tucson, Ariz.; it was founded in 1958 under contract with the National Science Foundation and is administered by the Assoc...

Kenny, Elizabeth

(Encyclopedia)Kenny, Elizabeth, 1886–1952, Australian nurse, b. New South Wales, grad. St. Ursula's College, Australia, 1902. She became “Sister” Kenny as a first lieutenant nurse (1914–18) in the Australia...
 

Browse by Subject