Telstar
/ˈtelstɑː(r)/- the first of the active communications satellites (i.e. both receiving and retransmitting signals, not merely reflecting signals from the earth). It was launched by the US in 1962 and used in the transmission of television broadcasting and telephone communication.通信卫星（第一颗主动式通信卫星, 即不仅仅反射来自地球的信号, 还接收和转发信号, 1962年由美国发射, 用于转发电视广播和电话通信）。