Mais sobre a probabilidade da existência de vida e de vida inteligente fora da Terra (ver também aqui): Centauri Dreams » Blog Archive » Life as Rarity in the Cosmos. Um excerto: "Although I suspect that intelligent life is rare in the cosmos, I’m playing little more than a hunch. So it’s interesting to see that Andrew Watson (University of East Anglia) has analyzed the chances for intelligence elsewhere in the universe by looking at the challenges life faced as it evolved. Watson believes that it took specific major steps for an intelligent civilization to develop on Earth, one of which, interestingly enough, is language. Identifying which steps are critical is tricky, but in the aggregate they reduce the chance of intelligence elsewhere."
Aditamento (08.04.20)
Sobre o mesmo ver Is there anybody out there? e The Odds of Intelligent Life in the Universe Universe Today.
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