Telstar

Telstar was the first active communications satellite, launched in 1962, marking a major step in global telecommunications. It demonstrated that signals could be sent quickly across vast distances in space, enabling live TV broadcasts, phone calls, and data transmission between continents. Telstar's successful operation showed that satellites could be used for practical communication purposes, paving the way for modern satellite networks. Its launch was a milestone in the development of space technology and global connectivity, illustrating how space-based infrastructure could transform communication worldwide.