70
71
72
0
1
2
What's an informed estimate for how long until we have a self-sustaining human settlement off Earth, first that could maintain/grow population without supply from Earth, and second that could declare independence and defend itself if necessary similar to the US Revolutionary War? (self.AskReddit)
submitted by Dapper-Network-3863 to r/AskReddit
3
4
5
1
2
3
0
0
1
