Today we present the second installment of my interview British astronomer Stephen Webb on the subject of Fermi’s paradox. We open by talking about the second category of solutions to the paradox. This is that intelligent aliens out there, but we just haven’t detected them yet. We then go on to the third category—which is that we are quite alone in our galaxy, and perhaps in the entire universe. Stephen then lays out the solution to Fermi’s paradox that he deems to be most plausible. No spoilers h

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