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The Auroras
The “northern lights” (Aurora borealis) as well as the “southern lights” (Aurora australis) are upper-atmosphere phenomena of astronomical origin. The auroras center around the magnetic (not…rubella
(Encyclopedia) rubella or German measles, acute infectious disease of children and young adults. It is caused by a filterable virus that is spread by droplet spray from the respiratory tract of an…Guadalupe Hidalgo
(Encyclopedia) Guadalupe HidalgoGuadalupe Hidalgogwäᵺäl&oomacr;ˈpā ēdälˈgō, wä– [key], shrine, central Mexico, in the Federal District. The basilica of Guadalupe containing the shrine of Our Lady…African swine fever
(Encyclopedia) African swine fever (ASF), highly contagious, deadly viral disease of swine. Its acute form, which is typically fatal, is characterized by high fever, loss of appetite, lethargy, and…drama, Western
(Encyclopedia) drama, Western, plays produced in the Western world. This article discusses the development of Western drama in general; for further information see the various national literature…Western Australia
(Encyclopedia) Western Australia, state (2016 pop. 2,474,410), 975,920 sq mi (2,527,633 sq km), Australia, comprising the entire western part of the continent. It is bounded on the N, W, and S by the…Western Cape
(Encyclopedia) Western Cape, province (2011 pop. 5,822,734), 49,986 sq mi (129,462 sq km), SW South Africa, on the Atlantic and Indian oceans. In 1994, under South Africa's post-apartheid…Western Desert
(Encyclopedia) Western Desert, Egypt: see Libyan Desert.Western Dvina
(Encyclopedia) Western Dvina: see Dvina (Western Dvina).Western Empire
(Encyclopedia) Western Empire: see Roman Empire under Rome and see Charlemagne.