来自MSN2 个月
It would be easier to find aliens in a parallel universe than in our own, new multiverse ...
The Drake equation was a theoretical formula written ... we have no evidence for such aliens — a problem known as the Fermi Paradox. The Drake equation estimates the chances of detecting ...
来自MSN7 个月
The answer to why we seem to be alone in the universe might be underneath your feet ...
The Drake equation takes a series of factors that could ... That failure has led to the discussion of the “Fermi paradox”, named after Enrico Fermi, who puzzled over why we had failed to ...