(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…
(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…
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…
(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…
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…
Source: Publishers Weekly.HardcoverHarry Potter and the Half-Blood Prince, J. K. RowlingThe Penultimate Peril (A Series of Unfortunate Events #12), Lemony Snicket, illustrated by Brett…
(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.…
actorBorn: 12/7/1915Birthplace: Brooklyn, New York A distinguished actor with a 46-year career spanning both Hollywood and European movies, he also has appeared prolifically on television. He has…
