Columbia Encyclopedia

Search results

500 results found

Myers, Richard Bowman

(Encyclopedia)Myers, Richard Bowman, 1942–, American Air Force general, b. Kansas City, Mo. He studied at Kansas State Univ., graduating and joining the Air Force in 1965; he later attended Auburn Univ. (M.A., 19...

X-ray astronomy

(Encyclopedia)X-ray astronomy, study of celestial objects by means of the X rays they emit, in the wavelength range from 0.01 to 10 nanometers. X-ray astronomy dates to 1949 with the discovery that the sun emits X ...

astronautics

(Encyclopedia)astronautics: see space science. ...

Meteosat

(Encyclopedia)Meteosat: see European Space Agency. ...

Arianespace

(Encyclopedia)Arianespace: see European Space Agency. ...

dwarf tree

(Encyclopedia)dwarf tree, in horticultural practice, a tree artificially kept to a smaller size than is normal for average members of the species. This is usually accomplished either by limiting its root space and ...

McDonald Observatory

(Encyclopedia)McDonald Observatory, astronomical observatory located on Mt. Locke, near Fort Davis, Tex.; founded in 1932, sponsored by the Univ. of Texas in cooperation with the Univ. of Chicago. Its equipment inc...

NASA

(Encyclopedia)NASA: see National Aeronautics and Space Administration. ...

Strategic Air Command

(Encyclopedia)Strategic Air Command (SAC), former command of the U.S. air force (see Air Force, United States Department of the) charged with organizing, training, equipping, administering, and preparing strategic ...

Browse by Subject