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Evans, Dame Edith

(Encyclopedia) Evans, Dame Edith, 1888–1976, English actress. After her stage debut in 1912, Evans toured with Ellen Terry. Known for her resonant voice, she worked with the Old Vic (1925–26) and had…

Cepheid variables

(Encyclopedia) Cepheid variablesCepheid variablessēˈfēĭd [key], class of variable stars that brighten and dim in an extremely regular fashion. The periods of the fluctuations (the time to complete…

Tool

metal band Original members Adam Jones, Maynard James Keenan, Danny Carey, and Paul D'Amour met in Los Angeles and formed Tool in 1990. Their albums include Opiate (1992), Undertow (1993), and…

crescent

(Encyclopedia) crescent, emblematic representation of the quarter moon. The crescent and star, ancient Byzantine symbols that became the emblems of Constantinople, were also assumed as the standard…

Crinoidea

(Encyclopedia) Crinoidea: see Echinodermata; feather star; sea lily.

X-ray astronomy

(Encyclopedia) X-ray astronomy, study of celestial objects by means of the X rays they emit, in the wavelength range from 0.01 to 10 nanometers. X-ray astronomy dates to 1949 with the discovery that…

Naomi Campbell

modelBorn: 5/22/1970Birthplace: London, England International supermodel who was discovered at age 15 in Covent Garden by an agent from Elite and went on to earn millions by her early twenties. She…

Arcturus

(Encyclopedia) ArcturusArcturusärkt&oobreve;rˈəs [key], brightest star in the constellation Boötes and 4th-brightest star in the entire sky; Bayer designation Alpha Boötis; 1992 position R.A.…