Columbia Encyclopedia

(Encyclopedia) geography, the science of place, i.e., the study of the surface of the earth, the location and distribution of its physical and cultural features, the areal patterns or places that they form, and the ...

(Encyclopedia) museums of art, institutions or buildings where works of art are kept for display or safekeeping. The word museum derives from the Greek mouseion, meaning temple to the works of the Muses. This articl...

(Encyclopedia) missions, term generally applied to organizations formed for the purpose of extending religious teaching, whether at home or abroad. It also indicates the stations or the fields where such teaching is...

(Encyclopedia) Presidents of the United States

(Encyclopedia) World War I, 1914–18, also known as the Great War, conflict, chiefly in Europe, among most of the great Western powers. It was the largest war the world had yet seen. World War I and the resul...

(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...

(Encyclopedia) light, visible electromagnetic radiation. Of the entire electromagnetic spectrum, the human eye is sensitive to only a tiny part, the part that is called light. The wavelengths of visible light range ...

(Encyclopedia)  CE5 Bohr-Rutherford atom CE5 Probability distribution of the electron in the hydrogen atom: A. Ground state B. Highly excited state atom [Gr.,=uncuttable (indivisible)], basic unit of matte...

(Encyclopedia) Bavaria bəvârˈēə [key], Ger. Bayern, state, 27,239 sq mi (70,549 sq km), S Germany. Muni...

(Encyclopedia)  CE5 Gabon gäbôNˈ [key], officially Gabonese Republic, republic (2015 est. pop. 1,930,000), 103,346 sq mi (267,667 sq km), W central Africa. It borders on the Atlantic Ocean in the west, on Equat...