The Physics of Extraterrestrial Civilizations

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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1 comments On The Physics of Extraterrestrial Civilizations

  • 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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