During the 1970s, the first interstellar probes were launched, carrying messages specifically designed to be intelligible to extraterrestrial species. The messages were essentially a "message in a bottle" intended for an advanced civilization, should they find the probes someday.
A Brief-ish History of SETI. Part V: The First Interstellar Messengers
Universe Today - 18 May 2026 23:20
During the 1970s, the first interstellar probes were launched, carrying messages specifically designed to be intelligible to extraterrestrial species. The messages were essentially a "message in a bottle" intended for an advanced civilization, should they find the probes someday.
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