7 ms·
perhaps another interesting question - how to deliberately leave an indicator that we did exist? i would suggest the moon landing sites, and maybe the stuff we
by zabzonk 3y ago
perhaps another interesting question - how to deliberately leave an indicator that we did exist? i would suggest the moon landing sites, and maybe the stuff we have put in the lagrange points (don't know how stable those are over long time spans are)
- zabzonk 3y agonot sure about the downvote on this one?
- kadoban 3y agoBest bet I can think of would be to mass produce something that ~doesn't decompose and spread a bunch everywhere so at least one will be found. Something like diamond plaques with writing on them, maybe just reuse what we put on Voyager but in different materials. I bet there's a better material than diamond, not sure what though. You'd want something that lasts, but not something that can be reused. Eg don't use gold, someone will melt it down later...
- TedDoesntTalk 3y ago> mass produce something that ~doesn't decompose and spread a bunch everywhere so at least one will be found. Plastics? Micro plastics?
- lovecg 3y agoAll gone in a few centuries. Too long to do damage on the scales we care about, too short to leave a trace.
- deleted 3y ago[deleted]
- Beldin 3y agoMaybe to drive this point home from another point of view: the dinosaurs roamed the earth for tens of millions of years. We have so little evidence from that, that our ideas what they looked like have changed significantly from the portrayal in Jurassic Park. Humans have been around for a frw hundred thousand years (if you're generous). Our current traces will be gone in a few million.
- 8bitsrule 3y agoEnormous piles of very skillfully worked massive stone blocks. Artifacts made of common, long-lived matter so precisely crafted that we could barely duplicate them today.
- saiya-jin 3y agoYou mean like pyramids? Heh look at what few thousands of years caused to them, and its not even very challenging environment (very low humidity, mostly sand abrasion). In fact, go to mountains and actually try to look around a bit from geological perspective - they are constantly being weathered, all types of rock, by mostly rain and elements. Elements cut through stone like through butter. Just because something doesn't visibly keep disappearing in front of your eyes doesn't mean its some ultra stable form to last for a billion years. Also, one proper earthquake and your fine stone structure is a big pile of rubble. Now do it 100x.
- lowbloodsugar 3y agoI enjoyed Chronoliths [1]. That was folks sending giants monoliths from the future mind you. [1] https://en.wikipedia.org/wiki/The_Chronoliths https://en.wikipedia.org/wiki/The_Chronoliths
- adrianN 3y agoSpread a long lived radioactive isotope that doesn't occur naturally. Put shiny objects in high orbits.
- fatherzine 3y agobuild a paperclip optimizer
- jl6 3y agoThe Tesla Roadster in heliocentric orbit will probably last a long time.
- actionfromafar 3y ago“Probably an idol of worship.” Well they wouldn’t be far off on this one.
- vbezhenar 3y agoBig enough Earth satellite with stable orbit and unusual form. With more information inside. May be even big enough to be visible with naked eye.
- throwuwu 3y agoLike the moon?
- tzs 3y ago> perhaps another interesting question - how to deliberately leave an indicator that we did exist? Replace as many plants and animals as we can with genetically engineered versions that have messages encoded in their junk DNA. That would not be good enough to tell aliens who visit long after all life on Earth has gone extinct that we were here, but could work for future intelligent species that evolve from existing Earth life after humanity is long gone.
- actionfromafar 3y agoThey tried that, and well, here we are!