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Spaceship size and population
Hi! New here and to Reddit in general.
I'm curious what size of community people think would be necessary to efficiently run a fully self-sustaining spaceship, and also what size the ship itself would need to be to sustain such a system...? It would essentially be a biodome run on solar. Regenerative farming, aquaculture, solar-powered light converted to full-spectrum for plant & human needs, water recycling, waste and corpses get converted to biomass.... it's a baby idea so I'm still fleshing it out. Feel free to ask clarifying questions!
Start with this video for a broad overview.
Then here.
Generally speaking though: Bigger is better once you can assemble your vessels in space because square cube law actually works in your favor for once meaning an engine 10% bigger can give you 20-40% the output depending on what you're using. (Heavily simplify but you get my point).
Something that's underappreciated in space ship design is recreation. Ironically enough a space ship that's more realistic is likelier to just flat out come with its own forest, theater, several arcades and a mall.
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Cheers!