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Lewis, Sir George Cornewall
(Encyclopedia)Lewis, Sir George Cornewall, 1806–63, English statesman and man of letters. Entering Parliament as a Liberal in 1847, he served as chancellor of exchequer (1855–58), home secretary (1859–61), an...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...Muses
(Encyclopedia)Muses, in Greek religion and mythology, patron goddesses of the arts, daughters of Zeus and Mnemosyne. Originally only three, they were later considered as nine. Calliope was the Muse of epic poetry a...Brahic, André Fernand
(Encyclopedia)Brahic, André Fernand, 1942–2016, French astrophysicist, b. Paris. He was introduced to astrophysics by Evry Schatzman, a leading French theoretician, and obtained his doctorate from the Univ. of P...Sacrobosco, Johannes de
(Encyclopedia)Sacrobosco, Johannes de yōhänˈəs də săkrōbŏsˈkō [key], or John of Hollywood, c.1200–1256, English mathematician and astronomer. He wrote several widely read and influential books: Algorism...Benedetti, Giovanni Battista
(Encyclopedia)Benedetti, Giovanni Battista jōvänˈnē bät-tēsˈtä bānādĕtˈtē [key], 1530–90, Italian mathematician and physicist. An important forerunner of Galileo, Benedetti had diverse interests, inc...Galle, Johann Gottfried
(Encyclopedia)Galle, Johann Gottfried yōˈhän gôtˈfrēt gäˈlə [key], 1812–1910, German astronomer. He is noted for his discovery of the planet Neptune, Sept. 23, 1846, by following the guidance of calculat...Mauna Kea Observatories
(Encyclopedia)Mauna Kea Observatories mouˈnə kāˈə [key], astronomical observatory complex located on Mauna Kea peak, the “white mountain” on the island of Hawaii, at an altitude of more than 13,600 ft (4,1...Al-Farghani
(Encyclopedia)Al-Farghani ălfrəgāˈnəs [key], d. after 861, Arab astronomer. Al-Farghani was born in Farghana, Transoxania (present-day Fergana, Uzbekistan), and died in Egypt. His most important work, written ...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...Browse by Subject
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