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Edwards Air Force Base

(Encyclopedia)Edwards Air Force Base, U.S. military installation, 301,000 acres (121,805 hectares), S Calif., NE of Lancaster; est. 1933. It is one of the largest air force bases in the United States and has the wo...

national assembly

(Encyclopedia)national assembly, name of a number of past and present constituent or legislative bodies. In France, under the constitutions of the Fourth and Fifth republics, the lower house of parliament has been ...

National Gallery

(Encyclopedia)National Gallery, London, one of the permanent national art collections of Great Britain, est. 1824. The nucleus of museum was the 38-picture collection of the late English banker John Julius Angerste...

National Radio Astronomy Observatory

(Encyclopedia)National Radio Astronomy Observatory (NRAO), federal observatory for radio astronomy, founded in 1956 and operated under contract with the National Science Foundation by Associated Universities, Inc.,...

National Guard

(Encyclopedia)National Guard, U.S. militia. The militia is authorized by the Constitution of the United States, which also defines the militia's functions and the federal and state role. Article 1, Section 8 provid...

National Mall

(Encyclopedia)National Mall: see National Parks and Monuments (table)national parks and monuments (table). ...

Kuiper, Gerard Peter

(Encyclopedia)Kuiper, Gerard Peter or Gerrit Pieter gĕrˈĭt pēˈtər kīˈpər [key], 1905–73, American astronomer, b. the Netherlands. Kuiper is considered to be the father of modern planetary science for his...

ultraviolet astronomy

(Encyclopedia)ultraviolet astronomy, study of celestial objects by means of the ultraviolet radiation they emit, in the wavelength range from about 90 to about 350 nanometers. Ultraviolet (UV) line spectrum measure...

National Socialism

(Encyclopedia)National Socialism or Nazism, doctrines and policies of the National Socialist German Workers' party, which ruled Germany under Adolf Hitler from 1933 to 1945. In German the party name was Nationalsoz...

National Parks and Monuments (table)

(Encyclopedia)National Parks and Monuments 1 National Parks and Monuments National Monuments National and International Historic Sites and Historical Parks National Memorials National Battlef...