The Physics of Extraterrestrial Civilizations

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The late Carl Sagan once asked this question, “What does it mean for a civilization to be a million years old? We have had radio telescopes and spaceships for a few decades; our technical civilization is a few hundred years old… an advanced civilization millions of years old is as much beyond us as we are beyond a bush baby or a macaque.”

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Comments

  1. The whole field is canon fodder for Science Fiction writers, if we lose the spirit to dream about fairies and elves then surely great metaphysical civilisations will feed our dreamscape…

    I just wish we would be contacted, be allowed to enter into some great galactice hegemony… I want them to be open, good, honest and spiritual… I dont want some planet hopping parasites who destroy us…

    The world is a void at the moment, our heart is black and I see no future, contact is our only hope!

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