In the early hours of 2 March 1972, the Pioneer 10 spacecraft lifted off from Earth, an unassuming departure that would ultimately carve its path into the unknown reaches of interstellar space. It was the first human-made object to leave the gravitational embrace of our solar system, bound for the void. Yet, it was not simply a mission of scientific curiosity—it carried something deeper, an existential whisper across the cosmos.
As Richard Hoagland, a scientific journalist present at the launch, gazed upon the spacecraft, a thought took root in his mind: here was an object created by humans, destined to wander the stars for untold millennia, long after the pyramids had crumbled to dust and the Earth itself had ceased to exist. His mind raced. This, he realised, could be the first thing humans ever made that some alien civilisation might one day find, and it had to carry a message.
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