A Brief-ish History of SETI. Part V: The First Interstellar Messengers

During the 1970s, the first interstellar probes were launched, carrying messages specifically designed to be intelligible to extraterrestrial species.

The messages were essentially a Welcome back to our continuing series, A Brief-ish History of SETI.

In our previous installments, we examined the foundations of the Search for Extraterrestrial Intelligence, both intellectual and technological.