Columbia Encyclopedia

Search results

500 results found

radiation

(Encyclopedia)radiation rāˌdēāˈshən [key], term applied to the emission and transmission of energy through space or through a material medium and also to the radiated energy itself. In its widest sense the te...

Maderna, Bruno

(Encyclopedia)Maderna, Bruno bro͞oˈnō mädĕrˈnä [key], 1920–73, Italian composer and conductor, b. Venice. Maderna studied composing with Gian Francesco Malipiero and conducting with Hermann Scherchen. As a...

telegraph

(Encyclopedia)telegraph, term originally applied to any device or system for distant communication by means of visible or audible signals, now commonly restricted to electrically operated devices. Attempts at long-...

Jean, Michaëlle

(Encyclopedia)Jean, Michaëlle, 1957–, Canadian journalist, filmmaker, and women's rights activist, b. Port-au-Prince, Haiti. Her family immigrated to Canada in 1968. After studying languages and literature at th...

Whitehorse

(Encyclopedia)Whitehorse, city (1991 pop. 17,925), S Yukon, Canada, on the Yukon River. Since 1952 it has been the territorial capital. Whitehorse is on the Alaska Highway and was the terminus of the White Pass and...

Cole, Nat “King”

(Encyclopedia)Cole, Nat “King,” 1919–65, American musician and composer, b. Montgomery, Ala., as Nathaniel Adams Coles. A jazz pianist, he played Los Angeles nightclubs and in 1938 formed the King Cole Trio. ...

Dione, in astronomy

(Encyclopedia)Dione dīōˈnē [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn IV (or S4), Dione is 695 mi (1,120 km) in diameter, orbits Saturn at a mean distanc...

Algol, in astronomy

(Encyclopedia)Algol ălˈgŏl [key], famous variable star in the constellation Perseus; Bayer designation β Persei; 1992 position R.A. 3h07.7m, Dec. +40°55′. Algol's variation in apparent magnitude, from 2.06 t...

Draco, in astronomy

(Encyclopedia)Draco [Lat.,=the dragon], northern constellation lying SE of Ursa Minor and N of Lyra and Hercules. It is traditionally depicted as a dragon. Draco contains the bright star Eltanin (Gamma Draconis). T...

conjunction, in astronomy

(Encyclopedia)conjunction, in astronomy, alignment of two celestial bodies as seen from the earth. Conjunction of the moon and the planets is often determined by reference to the sun. When a body is in conjunction ...