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Today my younger brother and I, while discussing the idea of building any commercial building (something like a hotel) in the Earth orbit, got into some debate with the assembling of the building in space.

I believe it won't be possible to build any building or any craft in space without physical presence of any human in space but he thinks otherwise, says that it's completely possible with humans controlling things right from Earth. But I think a physical presence is very much necessary to ensure everything goes right and even fix problems from there only when needed.

What would be the challenges to constructing a "building" in Earth orbit (something like a hotel) 100% robotically, without any local human supervision, i.e. nobody up there in orbit to keep an eye on things or fix things when they break?

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    $\begingroup$ Welcome to Stack Exchange! Before this was migrated I'd adjusted the wording a bit to better fit the Stack Exchange format (i.e. "what do you think?" can't have fact-based answers). $\endgroup$
    – uhoh
    Commented Apr 21, 2021 at 20:34
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    $\begingroup$ The US side of the ISS was assembled robotically with operators in the adjacent spacecraft. Then EVA people hooked up cables, lines, etc. I see nothing insurmountable about remote robotic assembly given proper design. $\endgroup$ Commented Apr 22, 2021 at 1:43
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    $\begingroup$ Step one: demonstrate robotic construction of a building on Earth’s surface. $\endgroup$ Commented Jul 28, 2021 at 14:03
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    $\begingroup$ The Soviet Union performed a few completely uncrewed dockings. So if you understand "constructing" as "joining pieces that were pre-made on Earth, then I see no issues there. $\endgroup$
    – Mu3
    Commented Jul 28, 2021 at 14:45

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