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Armstrong, Neil Alden

(Encyclopedia)Armstrong, Neil Alden, 1930–2012, American astronaut, b. Wapakoneta, Ohio, grad. Purdue Univ. (B.S., 1955), Univ. of Southern California (M.S., 1970). A U.S. Navy fighter pilot during the Korean War...

Redstone Arsenal

(Encyclopedia)Redstone Arsenal, U.S. rocket research and development center, 38,781 acres (15,694 hectares), N Ala., W of Huntsville; est. 1941. One of the state's largest industrial enterprises, it includes the Ar...

space-time

(Encyclopedia)space-time, central concept in the theory of relativity that replaces the earlier concepts of space and time as separate absolute entities. In relativity one cannot uniquely distinguish space and time...

space law

(Encyclopedia)space law, agreements governing the exploration and use of outer space, developed since the first launching (1957) by humans of a satellite into space. Space law, an aspect of international law, has g...

Public Works Administration

(Encyclopedia)Public Works Administration (PWA), in U.S. history, New Deal government agency established (1933) by the Congress as the Federal Administration of Public Works, pursuant to the National Industrial Rec...

space station

(Encyclopedia)space station or space platform, artificial earth satellite, usually manned, that is placed in a fixed orbit and can serve as a base for astronomical observations; zero-gravity materials processing; s...

space probe

(Encyclopedia)space probe, space vehicle carrying sophisticated instrumentation but no crew, designed to explore various aspects of the solar system (see space exploration). Unlike an artificial satellite, which is...

rocket, in aeronautics

(Encyclopedia)CE5 Relative positions of the components of the Saturn V rocket, the U.S. space vehicle used in the moon missions rocket, any vehicle propelled by ejection of the gases produced by combustion of s...

space science

(Encyclopedia)space science, body of scientific knowledge as it relates to space exploration; it is sometimes also called astronautics. Space science draws on the conventional sciences of physics, chemistry, biolog...

Food and Drug Administration

(Encyclopedia)Food and Drug Administration (FDA), agency of the Public Health Service division of the U.S. Department of Health and Human Services. It is charged with protecting public health by ensuring that foods...