Do you have a message you want to shout out to the universe? Or whisper into the ear-equivalent of an alien?
In interstellar space, more than 20bn km from Earth, the Voyager spacecraft are whizzing along at more than 50,000 km/h.
Launched in 1977, they each carry a Golden Record – a gold-plated copper phonograph disk that contains information to introduce the human race to extraterrestrial beings.
View image in fullscreen ‘I want you to know that we’re curious about you and hope you are happy where you are,’ is one message from a young space ambassador. Photograph: Andy Roberts
The cover details instructions on how to play the record, a pulsar star map to show how to find our solar system (which could go terribly wrong) and a guide to when the craft was launched.
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