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domingo, 17 de novembro de 2013

AS EARLY AS 1950, ENRICO FERMI ….


"As early as 1950, Enrico Fermi asked "Where is 

everybody? - the Fermi-Hart paradox. He noted that

 there are many suns billions of years older than ours

, that life should have evolved on planets around 

those suns, and that - if interstellar travel is possible 

- aliens should have developed it billions of years 

ago, should have colonised the galaxy within a million

 years or so and hence we should be hip deep in

 interstellar travellers. So where are they?."


By DonWilliams on We should not be too excited about intergalactic neighbours

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