Any object purposely placed into orbit around Earth, other planets, or the Sun. Since the launching of the first artificial satellite in 1957, thousands of these “man-made moons” have been rocketed into Earth orbit.
In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavor. Such objects are sometimes called artificial satellites to distinguish ...
Encyclopedia satellite, artificial. satellite, artificial, object constructed by humans and placed in orbit around the earth or other celestial body (see also space probe).
World Book Article on Artificial Satellites ... An artificial satellite is a manufactured object that continuously orbits Earth or some other body in space.
Hotmail
Messenger
My MSN
MSN Directory
See all search results in Articles (85)
