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Foucault, Jean Bernard Léon

(Encyclopedia)Foucault, Jean Bernard Léon zhäN bĕrnärˈ lāôNˈ fo͞okōˈ [key], 1819–68, French physicist. Known especially for his research on the speed of light, he determined its velocity in air and fou...

Goldberg, Rube

(Encyclopedia)Goldberg, Rube (Reuben Lucius Goldberg), 1883–1970, American cartoonist and sculptor, b. San Francisco. After drawing cartoons for San Francisco newspapers, he moved to New York City. There he worke...

Aquarius

(Encyclopedia)Aquarius əkwârˈēəs [key] [Lat.,=water carrier], large constellation located on the ecliptic (the sun's apparent path through the heavens) between Capricornus and Pisces; it is one of the constell...

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...

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...

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...

Adhara

(Encyclopedia)Adhara ădhârˈə [key], bright star in the constellation Canis Major; Bayer designation ε Canis Majoris; 1992 position R.A. 6h58.3m, Dec. −31°54′. A bluish-white giant (spectral class B2 II) w...

Balmont, Konstantin Dmitrieyevich

(Encyclopedia)Balmont, Konstantin Dmitrieyevich kənstəntyēnˈ dəmēˈtrēəvĭch bälˈmônt [key], 1867–1943, Russian poet and translator. After first hailing the Bolshevik revolution, he repudiated it and l...

Adams, Samuel Hopkins

(Encyclopedia)Adams, Samuel Hopkins, 1871–1958, American author, b. Dunkirk, N.Y., grad. Hamilton College, 1891. He was a reporter for the New York Sun (1891–1900) and then joined McClure's Magazine, where he g...

thunder

(Encyclopedia)thunder, sound produced along a path of a lightning flash, caused by the rapid heating and expansion of the adjacent air; lightning can heat air to temperatures as much as five times hotter than those...