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nutation

(Encyclopedia)nutation, in astronomy, a slight wobbling motion of the earth's axis. The causes of nutation are similar to those of the precession of the equinoxes, involving the varying attraction of the moon on th...

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...

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...

journalism

(Encyclopedia)journalism, the collection and periodic publication or transmission of news through media such as newspaper, periodical, television, and radio. By broadcasting events such as the Watergate hearin...

Laurent, Robert

(Encyclopedia)Laurent, Robert rōbârˈ lôrĕntˈ [key], 1890–1970, American sculptor, b. France. He emigrated to the United States in 1902 and later studied in Rome. Progressing from early decorative works, he ...

Maderna, Bruno

(Encyclopedia)Maderna, Bruno bro͞oˈnō mädĕrˈnä [key], 1920–73, Italian composer and conductor, b. Venice. Maderna studied composing with Gian Francesco Malipiero and conducting with Hermann Scherchen. As a...

Konaré, Alpha Oumar

(Encyclopedia)Konaré, Alpha Oumar, 1946–, Malian politcal leader. He served as Mali's youth, sports, and culture minister (1978–80); was a professor of history and archaeology; founded and edited a cultural re...

Kostelanetz, André

(Encyclopedia)Kostelanetz, André änˈdrā kŏsˌtəläˈnĭts [key], 1901–80, American pianist and conductor, b. St. Petersburg, Russia. After studying at the St. Petersburg Conservatory of Music, he emigrated ...

Joffe, Abram

(Encyclopedia)Joffe, Abram əbrämˈ yôˈfyə [key], 1880–1960, Soviet scientist, b. Ukraine, grad. St. Petersburg Technological Institute, 1902. From 1902 to 1906 he worked in Munich as an assistant to W. C. Ro...