You may have heard of the Fermi Paradox, but if you haven't, here it is in a nutshell: Given the high probability that alien life exists out there in the universe, why has nobody got in touch?
If there are so many other civilizations out there, possibly at far more advanced stages than we are because of how long the universe has dragged on for (no offense universe, but get to the point), why are they not doing what we're doing, sending out probes and desperately searching for other signs of life?
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