Columbia Encyclopedia
Search results
500 results found
Teotihuacán
(Encyclopedia)Teotihuacán tāōtēwäkänˈ [key], ancient commercial and religious center in the central valley of Mexico, c.30 mi (48 km) NE of Mexico City. Once thought to be the great religious center of the T...Ptolemy
(Encyclopedia)Ptolemy (Claudius Ptolemaeus), fl. 2d cent. a.d., celebrated Greco-Egyptian mathematician, astronomer, and geographer. He made his observations in Alexandria and was the last great astronomer of ancie...zodiac
(Encyclopedia) CE5 Signs of the zodiac CEE zodiac zōˈdēăk [key] [Gr. zoion=animal], in astronomy, zone of the sky that includes about 8° on either side of the ecliptic. The apparent paths of the sun, the...Chiang Kai-shek
(Encyclopedia)Chiang Kai-shek jyäng kī-shĕk, jyäng [key], 1887–1975, Chinese Nationalist leader. He was also called Chiang Chung-cheng. After completing military training with the Japanese Army, he returned t...Cassini
(Encyclopedia)Cassini käs-sēˈnē [key], name of a family of Italian-French astronomers, four generations of whom were directors of the Paris Observatory. Gian Domenico Cassini, 1625–1712, was born in Italy and...celestial mechanics
(Encyclopedia)celestial mechanics, the study of the motions of astronomical bodies as they move under the influence of their mutual gravitation. Celestial mechanics analyzes the orbital motions of planets, dwarf pl...Marsden, Gerry
(Encyclopedia)Marsden, Gerry, 1942-2021, British pop singer and bandleader, b. Liverpool, England. Marsden was the leader of ‘60s British Invasion group Gerry and t...Achernar
(Encyclopedia)Achernar āˈkərnärˌ [key], brightest star in the constellation Eridanus; Bayer designation α Eridani; 1992 position R.A. 1h37.4m, Dec. −57°16′. A bluish-white white star with apparent magnit...Larsa
(Encyclopedia)Larsa lärˈsə [key], ancient city of S Babylonia, in modern Iraq, 30 mi (48 km) NW of An Nasiriyah. It was the biblical Ellasar (Gen. 14.1). When the last king of the third dynasty of Ur was overthr...alfalfa caterpillar
(Encyclopedia)alfalfa caterpillar, larva of the alfalfa butterfly, Colias eurytheme, a member of the family Pieridae. Found throughout most of Mexico, the United States, and S Canada, it is sometimes a serious pest...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 +-
