SATELLITE
How does satellite work
''Artwork: communication satellite bounce signals from one side to other, a bit like giant mirrors in space.
A ground - based satellite transmitter dish (red) beams a signal to the satellite's receiving dish (yellow).''
satellite are used for many purposes. common types include military and civilian earth observation satellite,
communication satellites, navigation satellites, weather satellite , and space telescopes . space stations and human spaceraft in orbit are also satellites.''