an artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication
an artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication
an artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication
a bowl-shaped antenna with which signals are transmitted to or received from a communications satellite
a small moon orbiting close to a planetary ring, especially of Saturn, and whose gravitational field confines the ring within a narrow band
television broadcasting using a satellite to relay signals to appropriately equipped customers in a particular area
a satellite placed in orbit around the earth in order to relay television, radio, and telephone signals
a satellite placed in orbit around the earth in order to relay television, radio, and telephone signals