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stellar evolution

(Encyclopedia)CE5 The above Hertzsprung-Russell (H-R) diagram shows the track of stellar evolution for a typical star. After spending much of its life evolving toward or along the main sequence, the star becomes...

World War II

(Encyclopedia)World War II, 1939–45, worldwide conflict involving every major power in the world. The two sides were generally known as the Allies and the Axis. Although hostilities came to an end in Sept...

Constellations (table)

(Encyclopedia)Constellations 1 Zodiac constellation. ...

Minnesota, state, United States

(Encyclopedia)CE5 Minnesota mĭnˌĭsōˈtə [key], upper midwestern state of the United States. It is bordered by Lake Superior and Wisconsin (E), Iowa (S), South Dakota and North Dakota (W), and the Canadian p...

Spanish-American literature

(Encyclopedia)Spanish-American literature, the writings of both the European explorers of Spanish America and its later inhabitants. See also Spanish literature; Portuguese literature; Brazilian literature. T...

Vietnam

(Encyclopedia)CE5 Vietnam vēĕtˈnäm [key], officially Socialist Republic of Vietnam, republic (2015 est. pop. 93,572,000), 128,400 sq mi (332,642 sq km), Southeast Asia. Occupying the eastern coastline of the...

Poland

(Encyclopedia)CE5 Poland, Pol. Polska, officially Republic of Poland, republic (2015 est. pop. 38,265,000), 120,725 sq mi (312,677 sq km), central Europe. It borders on Germany in the west, on the Baltic Sea and...