When our species has become extinct, is there anything that would survive long enough to tell the next intelligent species to arise that we were a technological civilization? (lemmy.world)

submitted 9 months ago by Crackhappy@lemmy.world to c/asklemmy@lemmy.world

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[-] Akasazh@feddit.nl 6 points 9 months ago

Most stuff in space would lose orbit pretty soon and fall in the Earth's atmosphere, or into the sun (for James Webb)

[-] shinigamiookamiryuu@lemm.ee 3 points 9 months ago

The moon hasn't yet.

[-] doubletwist@lemmy.world 3 points 9 months ago

But it will eventually. It just happens to be a large enough mass in a stable-ish orbit to last a long time. The same isn't true of most of our space junk.

[-] Sabin10@lemmy.world 2 points 9 months ago

The moon is moving away from earth at a rate of about 1 inch per year. If the sun didn't expand and consume us first, this would likely continue for the next 50 billion years, putting the moon at more than 3x it's currentndistwncenf om earth.

this post was submitted on 13 Feb 2024

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