A Letter Into Nothing

On August twentieth, nineteen seventy-seven, Voyager 2 lifted off from Cape Canaveral. Sixteen days later, Voyager 1 followed. Bolted to each spacecraft was a copper disc plated with a thin layer of gold, twelve inches across. There was no budget set aside for it, no department built around it. Astronomers Carl Sagan and Frank Drake simply proposed it: let's attach something for whoever finds this. They had six weeks.

Six weeks to assemble a portrait of humanity meant to outlast humanity itself.

It opens with sound — not music, just sound. Thunder. Surf. A volcano erupting. An earthquake. The sequence was built on purpose: first a planet with no life, then biology, then people. Footsteps. A child's laugh. A heartbeat. Pages turning. The rumble of a jet engine. Only after all that does the music begin. This isn't a playlist — it's a story, tracing how civilization grows out of raw geology.

The music itself — twenty-seven tracks — was curated by conductor Murray Sidlin with a team of ethnomusicologists, among them Alan Lomax, a folklorist who spent decades crossing rural America and the wider world with a tape recorder, capturing music that would otherwise have vanished. It was Lomax who insisted: if this record claims to speak for Earth, it has to carry the voices of overlooked cultures too — not just Bach and Beethoven. Thanks to him, the disc includes Bulgarian women's choral singing — field recordings considered wildly unconventional for a space mission at the time — alongside Peruvian wedding music.

Rock and jazz, by contrast, made it on almost by accident, and the story behind that is its own small drama. The team wanted the Beatles' "Here Comes the Sun," but the recording rights and the publishing rights sat with different companies, and there was no time to untangle it. John Lennon heard about the project and, though he never appears on the record as a performer, personally recommended the sound engineer for it — Walter Murch, the film editor behind Apocalypse Now. So the Beatles' influence made it aboard, just off camera. The one rock track that survived, Chuck Berry's "Johnny B. Goode," only got there over the objections of committee members who felt rock and roll was too lowbrow for an official message from humanity.

Fifty-five languages made the cut, from Akkadian — an ancient language of Mesopotamia — to modern Chinese dialects and languages of India. Some were included precisely because they were fading: the linguists wanted to give voice to languages that might not survive another two generations. At the same time, some major world languages were left out entirely — simply because, in six weeks, no one could track down the right expert or speaker in time. Sagan was candid about this later when people asked: it isn't a perfect roster of humanity, just a snapshot of what was possible in nineteen seventy-seven.

Among the hundred and fifteen images is a photograph of a supermarket, and a page from a physics textbook. To NASA's administrators, these read as illustrations of technology and consumer life. To Sagan, they meant something more honest: that people are not only intelligent and musical, but also, quite ordinarily, consumers. In interviews, he stressed that his goal wasn't an idealized humanity — it was a believable one.

And now, the quietest part. The record carries a recording of human brainwaves. The person wired to the electroencephalograph was artist Ann Druyan, Sagan's collaborator. In the hour before the recording, she deliberately filled her mind with thoughts: the history of Earth, the structure of DNA, the fate of humankind. And — as she said years later — the fact that she had just fallen in love with Sagan and agreed to marry him. No one knows what a hypothetical listener might ever "hear" in those signals. But somewhere in interstellar space right now, there's an encoded moment of a person falling in love.

The child's laughter on the record isn't staged. A three-year-old, the son of one of the project's staff, was simply brought into the studio while other sounds were being selected. At some point, playing on his own, he burst out laughing. The engineers looked at each other — and hit record. Next to the formal greetings from the UN Secretary-General and the U.S. president, that laugh is one of the most alive things on the whole record.

The discs themselves are copper plated with gold, chosen to resist erosion and micrometeorite impact in deep space. Engraved on the aluminum cover is an instruction manual: how to play the recording, at what speed, and where the spacecraft came from. Frank Drake drew the diagrams by hand. He admitted afterward that his real fear wasn't that aliens might misread them — it was that a thousand years from now, people on Earth might no longer be able to decode this earnest, homemade cosmic picture-language of their own making.

Both Voyagers have long since crossed beyond the heliosphere, past the point where the solar wind gives out. Their instruments are being switched off one by one as power runs low. But the discs themselves could physically survive for hundreds of millions of years. Back on Earth, the recordings have been reissued in recent years on vinyl and digitally; there have been concerts where musicians performed the record's entire program live, start to finish — from Bulgarian choral singing to Bach.

It's a letter almost certainly no one but us will ever read. And that's exactly why it says so much about who we are.

Anything at all — a building, a word, a habit you never questioned. moygid dot online.