Columbia Encyclopedia

Search results

500 results found

Wilson, J. Tuzo

(Encyclopedia)Wilson, J. Tuzo (John Tuzo Wilson), 1908–93, Canadian geologist and geophysicist, b. Ottawa, Ph.D. Princeton (1936), M.A. Cambridge (1940). He worked for the Geological Survey of Canada (1936–39) ...

tallit

(Encyclopedia)tallit tälētˈ [key], in Judaism, four-cornered, fringed shawl worn by males during the morning prayers. It is donned before putting on the phylacteries, except on Yom Kippur when it is worn all thr...

Mercury, in astronomy

(Encyclopedia)Mercury, in astronomy, nearest planet to the sun, at a mean distance of 36 million mi (58 million km); its period of revolution is 88 days. Mercury passes through phases similar to those of the moon a...

parallax

(Encyclopedia)CE5 The trigonometric parallax of a star, expressed by the angle θ, is a measure of its apparent motion against the background of more distant stars as a result of the earth's motions in its orbit...

adobe

(Encyclopedia)adobe ədōˈbē [key]: see rammed earth. ...

Tiw

(Encyclopedia)Tiw tür [key], ancient Germanic god. Originally a highly revered sky god, he was later worshiped as a god of war and of athletic events. He was identified with the Roman war god Mars, and among Germa...

Shrove Tuesday

(Encyclopedia)Shrove Tuesday, day before Ash Wednesday (the beginning of Lent). In the Latin countries it is the last day of the carnival, called by the French Mardi Gras. ...

Oklahoma, University of

(Encyclopedia)Oklahoma, University of, mainly at Norman, state supported; coeducational; chartered 1890, opened 1892. The schools of medicine and nursing, with hospitals and a research foundation, are at Oklahoma C...

Daniel, book of the Bible

(Encyclopedia)Daniel, book of the Bible. It combines “court” tales, perhaps originating from the 6th cent. b.c., and a series of apocalyptic visions arising from the time of the Maccabean emergency (167–164 b...

space probe

(Encyclopedia)space probe, space vehicle carrying sophisticated instrumentation but no crew, designed to explore various aspects of the solar system (see space exploration). Unlike an artificial satellite, which is...