this post was submitted on 21 Nov 2023
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228
A City on Mars: Reality kills space settlement dreams (arstechnica.com)
submitted 1 year ago by [email protected] to c/[email protected]
118 comments fedilink hide all child comments
 

A book review on the latest Weinersmith creation. It’s true, there is so much we don’t know.

Just throwing this out there on this forum because missing technology is the problem that kills the dream of Mars, according to the authors.

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[–] [email protected] 5 points 1 year ago

At least for now, though, Earth is the only place to get oxygen in life-sustaining quantities, which is the single source they’re talking about.

If we're talking about space colonization then "at least for now" doesn't apply any more.

There are vast quantities of oxygen available everywhere in the solar system. Extracting it is really not hard. There's a technology demonstrator generating oxygen on Mars right now. If you're arguing against space colonization because you're assuming that every bit of resources the space colony uses will have to be sent there from Earth, you're completely missing the basic concept of space colonization.