Pioneer Plaque – Etched Greeting to the Cosmos

Long before Voyager or digital radio signals, the Pioneer Plaque was humanity’s first physical message to alien life. Launched in 1972 and 1973, it featured nude human figures, scientific diagrams, and a celestial map pointing to Earth’s location. More than metal—it was a cultural statement, a cosmic greeting, and a risky gesture. Will it ever be found? And if so, how might it be interpreted?