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stellar structure

(Encyclopedia)stellar structure, physical properties of a star and the processes taking place within it. Except for that of the sun, astronomers must draw their conclusions regarding stellar structure on the basis ...

Wilson, Harold

(Encyclopedia)Wilson, Harold (James Harold Wilson, Baron Wilson of Rievaulx), 1916–95, British statesman. A graduate of Oxford, he became an economics lecturer there (1937) and a fellow of University College (193...

Bologna

(Encyclopedia)Bologna bōlôˈnyä [key], city, capital of Emilia-Romagna and of Bologna prov., N central I...

Kennedy, John Fitzgerald

(Encyclopedia)Kennedy, John Fitzgerald, 1917–63, 35th President of the United States (1961–63), b. Brookline, Mass.; son of Joseph P. Kennedy. On Nov. 22, 1963, President Kennedy was shot and killed while ...

reproduction

(Encyclopedia)CE5 Examples of asexual reproduction reproduction, capacity of all living systems to give rise to new systems similar to themselves. The term reproduction may refer to this power of self-duplicati...

Bush, George Walker

(Encyclopedia)Bush, George Walker, 1946–, 43d President of the United States (2001–9), b. New Haven, Conn. The eldest son of President George H. W. Bush, he was was raised in Texas and, like his father, attende...

Nehru, Jawaharlal

(Encyclopedia)Nehru, Jawaharlal jəwähərlälˈ nāˈro͞o, nĕˈ– [key], 1889–1964, Indian statesman, b. Allahabad (now Priyagraj); son of Motilal Nehru. A politician and statesman of great skill, Nehru was e...

Manchester, city, England

(Encyclopedia)Manchester mănˈchəstər, –chĕsˌtər [key], city and metropolitan borough (1991 pop. 397,400), NW England, a port on the Irwell, Medlock, Irk, and Tib rivers. Manchester remains the center of th...

Korean War

(Encyclopedia)Korean War, conflict between Communist and non-Communist forces in Korea from June 25, 1950, to July 27, 1953. At the end of World War II, Korea was divided at the 38th parallel into Soviet (North Kor...

set, in mathematics

(Encyclopedia)CE5 Union and intersection of sets A and B: The union of A and B, A∪B, contains all members belonging to either A or B. The intersection of A and B, A∩B, contains all members common to both A a...