![]() uplifting), or that these solutions are sociological in nature (i.e. ![]() Unfortunately, most solutions to the FP don't hold for a number of reasons, including the realization that a colonization wave of superintelligent aliens would likely rework the fabric of all life in the cosmos (e.g. ![]() ![]() Some skeptics dismiss the Fermi Paradox by suggesting that ETI's have come and gone, or that they wouldn't find us interesting. Even the most conservative estimates show that we should have already made contact either directly or indirectly (such as from dormant Bracewell communication probes). Our galaxy is so ancient that it could have been colonized hundreds, if not thousands, of times over by now. The size and age of the Universe suggests that many technologically advanced extraterrestrial intelligences (ETIs) ought to exist - but this hypothesis seems inconsistent with the lack of observational evidence to support it.ĭespite much of what popular culture and sci-fi would lead us to believe, the fact that we haven't been visited by ETIs is disturbing. The so-called " Great Silence" is the contradictory and counter-intuitive observation that we have yet to see any evidence for the existence of aliens. Here's what this would mean.īefore we can get to the Great Filter hypothesis we have to appreciate what the Fermi Paradox is telling us. Yes, the Great Filter exists, but we've already passed it. It's a notion that's often invoked to explain why we've never been visited by extraterrestrials.īut there is another possible reason for the celestial silence. And in fact, some astrobiologists theorize that all advanced civilizations hit the same insurmountable developmental wall we have. Many people would agree that it's more likely than not that we'll eventually do ourselves in. ![]() It's difficult to not be pessimistic when considering humanity's future prospects. ![]()
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