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Brian Swartz · 10-27-2022, 01:00 AM

Forgot to add; there are also the theoretical challenges to the Fermi Paradox. Solecismic mentioned one, the very real possibility that traveling sufficient distances probably isn't possible. If it is, I'd say that raises even more problems.

One though experiment is this. Say a civilization colonized one star system, then doubled every 50 years. That is, next generation they colonized two. Then four. Then eight, and so on. This is not at all an unrealistic pace if you have the technology to move at reasonable speeds between star systems. Assume every star has planets to colonize (they don't). In a few thousand years, you've colonized the galaxy. This would have happened hundreds of times over by now, even if intelligent alien life is incredibly rare.

Rare Earth Hypothesis is still out there (conditions for advanced life are far more rare than many think). Or FTL travel isn't possible. Or, the same drivers of interstellar exploration and colonization would cause any such civilization to tear themselves apart. That is, a species with the intelligence and ambition to do that might also inevitably be one that that would splinter through conflict over the resources and destroy it's capablities to operate on that scale. Or many other problems that I/we haven't thought or heard of yet.

10-27-2022, 01:00 AM	#65
Brian Swartz Grizzled Veteran Join Date: May 2006	Forgot to add; there are also the theoretical challenges to the Fermi Paradox. Solecismic mentioned one, the very real possibility that traveling sufficient distances probably isn't possible. If it is, I'd say that raises even more problems. One though experiment is this. Say a civilization colonized one star system, then doubled every 50 years. That is, next generation they colonized two. Then four. Then eight, and so on. This is not at all an unrealistic pace if you have the technology to move at reasonable speeds between star systems. Assume every star has planets to colonize (they don't). In a few thousand years, you've colonized the galaxy. This would have happened hundreds of times over by now, even if intelligent alien life is incredibly rare. Rare Earth Hypothesis is still out there (conditions for advanced life are far more rare than many think). Or FTL travel isn't possible. Or, the same drivers of interstellar exploration and colonization would cause any such civilization to tear themselves apart. That is, a species with the intelligence and ambition to do that might also inevitably be one that that would splinter through conflict over the resources and destroy it's capablities to operate on that scale. Or many other problems that I/we haven't thought or heard of yet. Last edited by Brian Swartz : 10-27-2022 at 01:01 AM.