fossilesque to Space & AstronomyEnglish · 1 year agoThe Silurian hypothesis: would it be possible to detect an industrial civilization in the geological record? | International Journal of Astrobiology | Cambridge Corewww.cambridge.orgexternal-linkmessage-square2fedilinkarrow-up117arrow-down10cross-posted to: hackernews@derp.foo
arrow-up117arrow-down1external-linkThe Silurian hypothesis: would it be possible to detect an industrial civilization in the geological record? | International Journal of Astrobiology | Cambridge Corewww.cambridge.orgfossilesque to Space & AstronomyEnglish · 1 year agomessage-square2fedilinkcross-posted to: hackernews@derp.foo
minus-squareteft@startrek.websitelinkfedilinkarrow-up2·1 year agoMy guess without tech is meteor bombardment. High metal content meteors vaporizing on impact could alter the metal concentrations.
My guess without tech is meteor bombardment. High metal content meteors vaporizing on impact could alter the metal concentrations.