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corona, in astronomy

(Encyclopedia)corona, luminous envelope surrounding the sun, outside the chromosphere. Its density is less than one billionth that of the earth's atmosphere. The corona is visible only at the time of totality durin...

phase, in astronomy

(Encyclopedia)CE5 Phases of the moon phase, in astronomy, the measure of how much of the illuminated surface of a planet or satellite can be seen from a point at a distance from that body; the term is most ofte...

Sarnoff, David

(Encyclopedia)Sarnoff, David, 1891–1971, American pioneer in radio and television, b. Russia. Emigrating to the United States in 1900, he worked for the Marconi Wireless Company, winning recognition as the narrat...

National Recovery Administration

(Encyclopedia)National Recovery Administration (NRA), in U.S. history, administrative bureau established under the National Industrial Recovery Act of 1933. In response to President Franklin Delano Roosevelt's cong...

Lee's Summit

(Encyclopedia)Lee's Summit, city (1990 pop. 46,418), Jackson co., W Mo., in the Kansas City metropolitan area; inc. 1868. The city is an important trucking center and manufactures communications equipment, applianc...

statute

(Encyclopedia)statute, in law, a formal, written enactment by the authorized powers of a state. The term is usually not applied to a written constitution but is restricted to the enactments of a legislature. Statut...

Santiago, city, Panama

(Encyclopedia)Santiago säntyäˈgō [key], city (1990 pop. 60,959), W central Panama. Santiago is a communications and commercial center in the Pacific lowlands. It is a provincial and district capital. ...

Portalis, Jean Étienne Marie

(Encyclopedia)Portalis, Jean Étienne Marie zhäN ātyĕnˈ märēˈ pôrtälēsˈ [key], 1746–1807, French statesman and lawyer. A moderate, he was suspected of royalist sympathies during the French Revolution b...