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Ulugh-Beg

(Encyclopedia)Ulugh-Beg or Ulug-Beg both: o͞oˈlo͞og bĕg [key], 1394–1449, Timurid ruler and astronomer. The grandson of Timur (or Tamerlane), he succeeded to the Timurid domain in 1447. A patron of the arts a...

Andromeda, in astronomy

(Encyclopedia)Andromeda, in astronomy, northern constellation located to the NE of Pegasus and to the S of Cassiopeia. Its brightest star, Alpheratz (Alpha Andromedae), marks the northeast corner of the Great Squar...

Held, Anna

(Encyclopedia)Held, Anna, 1873?–1918, American musical comedy actress, b. Paris. She is remembered for her beauty and charm and for her tempestuous off-stage life. After she had small singing and dancing parts in...

Nurmi, Paavo

(Encyclopedia)Nurmi, Paavo päˈvō no͝orˈmē [key], 1897–1973, Finnish track star. Between 1920 and 1932 he set 20 world running records and won nine Olympic gold medals. His Olympic victories included the 10,...

McCracken, James Eugene

(Encyclopedia)McCracken, James Eugene, 1926–88, American dramatic tenor, b. Gary, Ind. He was noted for his robust voice, his intense singing style, and his prominent vibrato. McCracken made his debut (1952) at t...

Mayer, Louis Burt

(Encyclopedia)Mayer, Louis Burt, 1885–1957, American movie producer, b. Russia. Mayer began (1907) as the operator of a theater in Haverhill, Mass., gradually gaining control of all the theaters in the city. In 1...

Anderson, Dame Judith

(Encyclopedia)Anderson, Dame Judith, 1898–1992, British actress, b. Adelaide, S. Australia, originally named Frances Margaret Anderson. She made her debut in Sydney in 1915 and by 1924 had become celebrated for h...

diurnal circle

(Encyclopedia)diurnal circle dīûrˈnəl [key], apparent path followed by a star due to the earth's rotation on its axis. The stars appear to move on the celestial sphere in concentric circular paths centered at t...

Eridanus

(Encyclopedia)Eridanus ĭrĭdˈənəs [key], large southern constellation stretching SW from Orion for about 60°. Because of its long, winding shape it was identified with a river by many ancient civilizations; e....

hour circle

(Encyclopedia)hour circle, in astronomy, a secondary axis in the equatorial coordinate system. The hour circle of a celestial body is the great circle on the celestial sphere that passes through both the body and t...