Why? Do you think they'll be reliant on planets for food an oxygen? That's daft — they will be growing their own food and mining their own oxygen. Also, I dou

Why? Do you think they'll be reliant on planets for food an oxygen? That's daft — they will be growing their own food and mining their own oxygen. Also, I doubt they will be "scattered remnants" — there's likely to eventually be a far larger population off-planet than on.