Columbia Encyclopedia
Search results
500 results found
Bradley, James
(Encyclopedia)Bradley, James, 1693–1762, English astronomer. His discovery of the aberration of light, announced in 1728, provided an important line of evidence for the motion of the earth around the sun. In 1742...Wallingford
(Encyclopedia)Wallingford, town (1990 pop. 40,822), New Haven co., S Conn.; inc. 1670. Its silverware industry dates from c.1835. Fruit growing and the manufacture of plastics, steel, precision instruments, and har...Siddim
(Encyclopedia)Siddim, in the Bible, locale of the battle of the kings, said to mean the valley of the Dead Sea.Glaisher, James
(Encyclopedia)Glaisher, James glāˈshər [key], 1809–1903, English meteorologist and balloonist, b. London. He served as superintendent of the department of meteorology and magnetism at Greenwich Observatory fro...Thornhill, Sir James
(Encyclopedia)Thornhill, Sir James, 1676–1734, English decorative artist. George I made him court painter and later knighted him. He executed decorations in Hampton Court and the cupola of St. Paul's, London; the...Chaldaea
(Encyclopedia)Chaldaea or Chaldea both: kăldēˈə [key], properly the southernmost portion of the valley of the Tigris and the Euphrates rivers. Sometimes it is extended to include Babylonia and thus comprises al...ephemeris time
(Encyclopedia)ephemeris time (ET), astronomical time defined by the orbital motions of the earth, moon, and planets. The earth does not rotate with uniform speed, so the solar day is an imprecise unit of time. Ephe...time-division
(Encyclopedia)time-division: see multiplexing. ...time zone
(Encyclopedia)time zone: see standard time.sidereal time
(Encyclopedia)sidereal time (ST), time measured relative to the fixed stars; thus, the sidereal day is the period during which the earth completes one rotation on its axis so that some chosen star appears twice on ...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
-
Places
+-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
