This is the culture main page. Ideas broken down below.
This is an alien culture, a completely different people to Homo sapiens. In fact, the reason these people have stumbled onto a cluster of viable planets around a cluster of stars is because they were terraformed millenia prior, by humans themselves, who are now a vanished people. Not sure how viable it is, but it might be nice for artifacts or ruins from prior human settlement to come up in the background.