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Tethys , in astronomy
(Encyclopedia)Tethys tēˈthĭs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn III (or S3), Tethys is 659 mi (1060 km) in diameter, orbits Saturn at a mean dista...GPS
(Encyclopedia)GPS: see navigation satellite.Syncom
(Encyclopedia)Syncom: see communications satellite. ...Telstar
(Encyclopedia)Telstar: see communications satellite. ...Global Positioning System
(Encyclopedia)Global Positioning System: see navigation satellite. ...photogrammetry
(Encyclopedia)photogrammetry: see aerial and satellite photography. ...Pickering, William Henry
(Encyclopedia)Pickering, William Henry, 1858–1938, American astronomer, b. Boston, grad. Massachusetts Institute of Technology (B.S., 1879). He taught at the Massachusetts Institute of Technology (1880–87) and ...Ichinomiya
(Encyclopedia)Ichinomiya ēchĭnōˈmēyä [key], city, Aichi prefecture, central Honshu, Japan. It is an industrial ...Sputnik
(Encyclopedia)Sputnik: see satellite, artificial; space exploration. ...McLean
(Encyclopedia)McLean, city (1990 pop. 38,168), Fairfax co., N Va., a suburb of Washington, D.C. Manufacturing includes foods, satellite components, and computer and telecommunications equipment. The headquarters of...Browse by Subject
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