Columbia Encyclopedia

Search results

390 results found

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...

Abbo of Fleury

(Encyclopedia)Abbo of Fleury äbōˈ, flörēˈ [key], Fr. Abbon de Fleury, 945?–1004, French monk at the abbey of Fleury (at present-day Saint-Benoît-sur-Loire, France). Head of the monastery school, he later t...

blink microscope

(Encyclopedia)blink microscope, in astronomy, device for determining a change in position or magnitude (brightness) of a star relative to other stars in the background. Two photographs of the same field or area of ...

quadrature

(Encyclopedia)quadrature, in astronomy, arrangement of two celestial bodies at right angles to each other as viewed from a reference point. If the reference point is the earth and the sun is one of the bodies, a pl...

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...

planetary science

(Encyclopedia)planetary science or planetology, study of planets and planetary systems as a whole. Planetary science applies the theories and methods of traditional disciplines such as astronomy, geology, physics, ...

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...

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...

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...