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Blaeu, Willem Janszoon
(Encyclopedia)Blaeu, Willem Janszoon vĭˈləm yänˈsōn blou [key], 1571–1638, Dutch cartographer and printer. He studied astronomy and instrument making under the Danish astronomer Tycho Brahe. The printing es...K'ang-hsi
(Encyclopedia)K'ang-hsi käng shē [key], 1654–1722, 2d emperor of the Ch'ing dynasty of China (1661–1722). He extended Manchu control and promoted learning in the arts and sciences. K'ang-hsi conquered the feu...Peralta Barnuevo, Pedro de
(Encyclopedia)Peralta Barnuevo, Pedro de pāˈᵺrō ᵺā pārälˈtä bärnwāˈvō [key], 1664–1743, Peruvian writer. Although his major literary interests were drama and poetry, he also wrote on astronomy, ma...Thoth
(Encyclopedia)Thoth thŏth, tōt [key], in Egyptian religion, god of wisdom and magic. A patron of learning and of the arts, he was credited with many inventions, including writing, geometry, and astronomy. Perhaps...Briggs, Henry
(Encyclopedia)Briggs, Henry, 1561–1630, English mathematician. He was the first professor of geometry at Gresham College, London (1596–1619), and Savilian professor of astronomy at Oxford (from 1619). After pub...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...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...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...Painlevé, Paul
(Encyclopedia)Painlevé, Paul pōl păNləvāˈ [key], 1863–1933, French statesman and mathematician. A mathematical prodigy when a child, he entered on a career devoted to science. He was a professor at the Sorb...Browse by Subject
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