Each of the two Voyager spacecraft, launched in 1977, carries a phonograph record. The records hold...
The Voyager Golden Record carries a small sample of uranium on its cover, placed there so that whoever finds it can measure the decay and work out how long it has been drifting — a built-in clock for a message engineered to last around a billion years.
Each of the two Voyager spacecraft, launched in 1977, carries a phonograph record. The records hold sounds and images chosen to represent Earth,...
Author: Space Daily
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