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node

(Encyclopedia)node, in astronomy, point at which the orbit of a body crosses a reference plane. One reference plane that is often used is the plane of the earth's orbit around the sun (ecliptic). Since the moon's o...

Taft-Hartley Labor Act

(Encyclopedia)Taft-Hartley Labor Act, 1947, passed by the U.S. Congress, officially known as the Labor-Management Relations Act. Sponsored by Senator Robert Alphonso Taft and Representative Fred Allan Hartley, the ...

Hamer, Fannie Lou

(Encyclopedia)Hamer, Fannie Lou, 1917–1977, U.S. voting rights activist and civil rights leader, b. Montgomery County, Miss. Fannie Lou Hamer was the first woman fr...

amphetamine

(Encyclopedia)amphetamine ămfĕtˈəmēn [key], any one of a group of drugs that are powerful central nervous system stimulants. Amphetamines have stimulating effects opposite to the effects of depressants such as...

Darfur

(Encyclopedia)Darfur därˈfo͞or [key], region and former sultanate, W Sudan. The region is mountainous, dominated by the central massif of Jebel Marra, which rises to 10,130 ft (3,088 m). Much of the terrain is d...

Guinea, country, Africa

(Encyclopedia)CE5 Guinea gĭnˈē [key], officially Republic of Guinea, republic (2015 est. pop. 12,092,000), 94,925 sq mi (245,856 sq km), W Africa. It is bounded on the north by Guinea-Bissau, Senegal, and Mal...

Asturias

(Encyclopedia)Asturias ästo͞oˈryäs [key], autonomous community and coextensive prov., 4,093 sq mi (10,602 sq km), and former kingdom, NW Spain, S of the Bay of Biscay and E of Galic...

Cuban Missile Crisis

(Encyclopedia)Cuban Missile Crisis, 1962, major cold war confrontation between the United States and the Soviet Union. In response to the Bay of Pigs Invasion and other American actions against Cuba as well as to P...

Ajax

(Encyclopedia)Ajax āˈjăks [key], Gr. Aias, in Greek mythology. 1 Hero of the Trojan War, son of Telamon, thus called the Telamonian Ajax, also called Ajax the Greater. In the Iliad he is represented as a giganti...

seasons

(Encyclopedia)CE5 The seasons are caused by the tilt of the earth's axis to the plane of its orbit about the sun. The Northern Hemisphere is tilted toward the sun in the summer and receives more direct rays than...