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Originally Posted by T@T
Full of nothing? there are so many star systems that could support life that man can't count that high.
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Well not really uncountable, but still lots and lots.
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Why? what if they were just older and more advanced, there could be an advanced race 2 or 300 million years old. if dumb dinosaurs could last 250 million years on this planet why couldn't a smart race flourish on another? give man a few hundred million years of development lets and see how hard this "logistical problems of traveling" would be.
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We're pretty fortunate to be able to be around for such a long time without anything wiping out life here actually. Between gamma ray bursts to stars going nova (you don't have to be very close to a nova to have your planet sterilized) and all the other ways a galaxy can kill you, the number of systems that have been quiet for the billions of years it took life to arise here is lower than one might think.
Even given that, one would think that there should still be examples of galaxy spanning millions of year old civilizations out there... but we don't find any, there's no trace of them. That's Fermi's Paradox.
That's why I say there might be physical limits to the problems of traveling that simply cannot be overcome. Or maybe most beings reach a point where rather than reaching outwards to travel, they reach inwards, uploading their minds into computers where all the traveling they could ever desire to do is satisfied virtually. Or maybe almost no species ever gets to develop far enough to get out of their own solar system, being wiped out by themselves or some cosmological event, or few enough do that statistically speaking there's few enough in the universe at any given time as to make it seem completely empty.