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hour angle
(Encyclopedia)hour angle, in astronomy, a coordinate in the equatorial coordinate system. The hour angle of a celestial body is the angular distance, expressed in hours, minutes, and seconds (one hour equals 15 deg...Moscow State University
(Encyclopedia)Moscow State University, at Moscow, Russia, officially M. V. Lomonosov Moscow State Univ.; founded 1755 as Moscow Univ. by the Russian scientist M. V. Lomonosov, renamed Moscow State Univ. after the R...Abbe, Cleveland
(Encyclopedia)Abbe, Cleveland ăbˈē [key], 1838–1916, American meteorologist, b. New York City; brother of Robert Abbe. He was the first official daily weather forecaster in the United States. Abbe studied astr...Cauchy, Augustin Louis, Baron
(Encyclopedia)Cauchy, Augustin Louis, Baron ōgüstăNˈ lwē bärôNˈ kōshēˈ [key], 1789–1857, French mathematician. He was professor simultaneously (1816–30) at the École polytechnique, the Sorbonne, and...Picard, Jean
(Encyclopedia)Picard, Jean, 1620–82, French astronomer, noted for having made the first accurate measurement of a degree of the earth's meridian. The figures he established were of great value to Newton in his ca...parsec
(Encyclopedia)parsec pärˈsĕc [key] [parallax + second], in astronomy, basic unit of length for measuring interstellar and intergalactic distances, equal to 206,265 times the distance from the earth to the su...nutation
(Encyclopedia)nutation, in astronomy, a slight wobbling motion of the earth's axis. The causes of nutation are similar to those of the precession of the equinoxes, involving the varying attraction of the moon on th...syzygy
(Encyclopedia)syzygy sĭzˈəjē [key], in astronomy, alignment of three bodies of the solar system along a straight or nearly straight line. A planet is in syzygy with the earth and sun when it is in opposition or...Frye, Northrop
(Encyclopedia)Frye, Northrop nôrˈthrəp [key], 1912–91, Canadian literary critic, b. Quebec. In 1936 he was ordained as a minister in the United Church of Canada. In 1948 he was appointed professor of English a...Garnett, Richard
(Encyclopedia)Garnett, Richard, 1835–1906, English librarian and author. From 1851 until his retirement in 1899 he was connected with the British Museum, which he served with great distinction. Besides writing vo...Browse by Subject
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