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Al-Battani
(Encyclopedia)Al-Battani ălˌbətēˈnēəs [key], b. before 858, d. 929, Arab astronomer and mathematician. He is best known in astronomy for his improvements and corrections of the Ptolemaic tradition. His Kitab...Lamont, Johann von
(Encyclopedia)Lamont, Johann von yōˈhän fən läˈmônt [key], 1805–79, Scottish-German astronomer and magnetician, b. Scotland. In 1817 he went to Ratisbon to study at the seminary. He remained in Germany to ...False Cross
(Encyclopedia)False Cross, in astronomy: see Carina. ...Xena
(Encyclopedia)Xena, in astronomy: see Eris.direction finder
(Encyclopedia)direction finder, electronic device used to determine the position of a ship or aircraft. In a simple direction finder a radio receiver is equipped with a revolving directional antenna. The antenna re...Cosmic Background Explorer
(Encyclopedia)Cosmic Background Explorer: see infrared astronomy. ...encounter theory
(Encyclopedia)encounter theory, in astronomy, see solar system. ...Extreme Ultraviolet Explorer
(Encyclopedia)Extreme Ultraviolet Explorer: see ultraviolet astronomy. ...International Ultraviolet Explorer
(Encyclopedia)International Ultraviolet Explorer: see ultraviolet astronomy. ...Infrared Astronomical Satellite
(Encyclopedia)Infrared Astronomical Satellite: see infrared astronomy. ...Browse by Subject
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