Yes, it appears as though the window is pretty narrow. Complex life on this planet is only 500my old. It took a long time for photosynthesis to oxidize all disolved iron in the oceans so that oxygen could finally accumulate in the air.
From: AlanSiefert<-shawn at 08/16 13:08
> Makes you realize that the time allowed for intelligent life to evolve is actually pretty short (assuming ~4B years between genesis and intelligent life). Probably the reason we haven’t made contact yet - the window is very short. The best chances for contacting intelligent life will probably involve looking for civs that have transcended to Kardashev II+.
CC: unclebobmartin (npub19mu…jnft)
unclebobmartin /
npub19m…njnft
2024-08-16 18:18:05
in reply to nevent1q…fylf
Author Public Key
npub19mun7qwdyjf7qs3456u8kyxncjn5u2n7klpu4utgy68k4aenzj6synjnftPublished at
2024-08-16 18:18:05Event JSON
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"content": "Yes, it appears as though the window is pretty narrow. Complex life on this planet is only 500my old. It took a long time for photosynthesis to oxidize all disolved iron in the oceans so that oxygen could finally accumulate in the air.\n\nFrom: AlanSiefert\u003c-shawn at 08/16 13:08\n\n\u003e Makes you realize that the time allowed for intelligent life to evolve is actually pretty short (assuming ~4B years between genesis and intelligent life). Probably the reason we haven’t made contact yet - the window is very short. The best chances for contacting intelligent life will probably involve looking for civs that have transcended to Kardashev II+.\n\nCC: #[4]",
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