The Fermi Paradox
▻http://waitbutwhy.com/2014/05/fermi-paradox.html
“When confronted with the topic of stars and galaxies, a question that tantalizes most humans is, “Is there other intelligent life out there?” Let’s put some numbers to it” Tags: #espace #vie #extra-terrestre #ET #galaxie #univers #planète #étoile #civilisation