Artificial communication satellites

They relay radio and television signals around the curved surface of the Earth and thus serve the purpose of intercontinental radio and television transmission.

Artificial communication satellites are placed in an orbit around the Earth. They relay radio and television signals around the curved surface of the Earth and thus serve the purpose of intercontinental radio and television transmission.

retransmit signals being sent for the purpose of communication.

As for active satellites, they are used to receive, amplify, and retransmit signals being sent for the purpose of communication.

signals from the surface of the Earth.

The function of passive satellites is only to reflect the transmitted signals from the surface of the Earth.