What are your thoughts on the Fermi paradox?
If extraterrestrial life does exist somewhere else, the exponential expansion of the universe is making it unlikely that we'll ever meet them.
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I mean, the conditions required for life as we know it arising are really specific, the probability of abiogenesis is unknown, and life seems to need to evolve in a very particular way in order for civilization to take root. With those things taken together, it seems unsurprising that we've yet to find another civilization.