Columbia Encyclopedia

(Encyclopedia) magnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. a.d.), all visible with the unaided eye, were ranked on a brightness sc...

(Encyclopedia) meteor shower, increase in the number of meteors observed in a particular part of the sky. The trails of the meteors of a meteor shower all appear to be traceable back to a single point in the sky, kn...

(Encyclopedia) Apollo əpŏlˈō [key], in Greek religion and mythology, one of the most important Olympian gods, concerned especially with prophecy, medicine, music and poetry, archery, and various bucolic arts, pa...

(Encyclopedia) Mount Wilson Observatory, astronomical observatory located in California on Mt. Wilson, near Pasadena. Mt. Wilson Observatory was founded in 1904 by George E. Hale. Its equipment includes 100-in. (2.5...

(Encyclopedia) Dyson, Freeman John dīˈsən [key], 1923–2020, British-American theoretical physicist and mathematician, studied Trinity College, Cambridge (B.A., 1945) and Cornell. He did bomber operations resear...

(Encyclopedia) Comanche kəmănˈchē [key], Native North Americans belonging to the Shoshonean group of the Uto-Aztecan branch of the Aztec-Tanoan linguistic stock (see Native American languages). They originated f...

(Encyclopedia) Bradbury, Ray (Raymond Douglas Bradbury) brădˈbĕrˌē, –bərē [key], 1920–2012, American writer, b. Waukegan, Ill. A popular and prolific writer of science fiction who did much to bring the ge...

(Encyclopedia) Frame, Janet (Janet Paterson Frame Clutha) klo͞oˈthə [key], 1924–2004, New Zealand novelist, b. Dunedin. Frame's complex, disturbing novels are marked by startling images and masterful language. ...

(Encyclopedia) snake worship. The snake has been variously adored as a regenerative power, as a god of evil, as a god of good, as Christ (by the Gnostics), as a phallic deity, as a solar deity, and as a god of death...

(Encyclopedia) Zeffirelli, Franco frängˈkō zāf-fērĕlˈlē [key], 1923–2019, Italian opera, stage, and film director and designer, b. Florence as Gianfranco Corsi Zeffirelli. Zeffirelli had his first successe...