Mute
Astrônomia Eofoco
: Por Que Ainda Não Encontramos alienígenas? E se civilizações alienígenas já tiverem surgido na Via Láctea milhões de anos antes da humanidade? Talvez o problema para encontrarmos vida inteligente fora da Terra não seja apenas a distância. Pode existir outro obstáculo gigantesco: o tempo. Uma civilização poderia surgir, desenvolver tecnologia, observar as estrelas e desaparecer milhões de anos antes de outra civilização começar a procurá-la.
Follow
29
0
11
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