Yeah, I see your angle. However, I&#x27;m writing this north of the 60 parallel and my country survives quite well in these conditions although they are quite different than the african savannahs native to our species. Although on a dark and wet december evening, I do wonder what my ancestors were thinking coming this much north.<p>For a human baby, the womb is the physiologically most natural growth environment. At birth we are separated from our mothers and the comforting heartbeat fades away to other noises. If I may respond to your methaphysical idea: perhaps earth is the womb of a space faring species, and our offspring will longingly observe it through telescopes like a person always misses her parents. But a longing does not incapacitate us, it merely tints the daily experience with a hint of bittersweet.<p>But in practice - human space flight at a large scale is a messy subject and like most topics of systemantics it will require endless amount of tinkering to even figure out if the idea is valid.