andrewducker: (Default)
andrewducker ([personal profile] andrewducker) wrote2009-07-08 12:01 pm
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[identity profile] kurosau.livejournal.com 2009-07-08 10:06 pm (UTC)(link)
Actually, I think it's also likely that they die out too quickly. Given the age of the universe, and the speed at which a culture could build itself up to that level and then subsequently destroy itself, there might be all sorts of spots in the timeline where we're alone. Or there is no other life in the universe, which would be telling in and of itself.