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Two possibilities exist

11 January 2016

Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.

Arthur C. Clarke

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9 Comments to “Two possibilities exist”

  1. I think you’ll find being alone is a lot more terrifying.

    • Not really. If we’re not alone, they’re probably coming to eat us. If we are alone, the whole universe is our plaything.

      I think it’s pretty clear that we’re alone in this galaxy. The rest of the universe, hard to tell.

  2. My money is on the likelihood that we are effectively alone as a technological civilization.

    Life out there? Sure, all over.
    Intelligent life? Rare.
    Intelligent life at a high level of technology *today*? Doubt it.

    All we have to go by is Earth but all the evidence is that technological civilization takes time to develop: in a 14B year universe on a 3-4B year planet, intelligent life has existed for at most for 0.2B (200M) years at most and technological civilizations for maybe 10,000 years. Generously.

    A more restrictive definition might limit our civilization to 1000 or even 100 years.

    It’s not that I doubt other, similar civilizations might arise. I just doubt any exist right now within any range close in enough in space and time that we might detect them or them us before either species dies out.

    It’s a big universe in big space and time.

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