Voyager Golden Record - Sounds of Earth

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gold-plated copper | ultra-pure sample of the isotope uranium-238 electroplated | 115 images encoded in analogue form | audio: designed to be played at 16⅔ rev per min

El Disco de oro del Voyager acompaña a las sondas espaciales Voyager, lanzadas en 1977 y que tardarán 74.500 años en alcanzar las proximidades de la estrella más cercana a nuestro sistema solar. El disco contiene sonidos e imagenes de la diversidad de la vida y la cultura en la Tierra. Se diseñó con el objetivo de dar a conocer la existencia de vida en la Tierra a alguna posible forma de vida extraterrestre inteligente que lo encontrase, y que además tenga la capacidad de poder leer, entender y descifrar el disco.
Earlier I had asked Carl if those putative extraterrestrials of a billion years from now could conceivably interpret the brain waves of a meditator. Who knows? A billion years is a long, long time, was his reply. On the chance that it might be possible why don't we give it a try?

Two days after our life-changing phone call, I entered a laboratory at Bellevue Hospital in New York City and was hooked up to a computer that turned all the data from my brain and heart into sound. I had a one-hour mental itinerary of the information I wished to convey. I began by thinking about the history of Earth and the life it sustains. To the best of my abilities I tried to think something of the history of ideas and human social organization. I thought about the predicament that our civilization finds itself in and about the violence and poverty that make this planet a hell for so many of its inhabitants. Toward the end I permitted myself a personal statement of what it was like to fall in love.
Carl Sagan - Billions and Billions (1997) - Thoughts on Life and Death at the Brink of the Millennium

We cast this message into the cosmos Of the 200 billion stars in the Milky Way galaxy, some — perhaps many — may have inhabited planets and space faring civilizations. If one such civilization intercepts Voyager and can understand these recorded contents, here is our message: We are trying to survive our time so we may live into yours. We hope some day, having solved the problems we face, to join a community of Galactic Civilizations. This record represents our hope and our determination and our goodwill in a vast and awesome universe.
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