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The primarily resource would be datamining. Datacenters need energy and cooling. Both are available in abundance in space. Unlike any other industry, their processing material, data, doesn't have to be transported with rockets.

However, this doesn't create jobs in space, just jobs in space industries, since those datacenters are most likely fully automatized.

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Is this a joke or is purely radiative cooling in space feasible for a datacenter?

Maybe you plant your data center on the dark side of an iron-rich asteroid and sink waste heat into it.

That works for the ISS, maybe a DC would just be bigger in scale.

There is also the link problem: if the space DC is geostationary, it will be quite far making for a longer round-trip time (RTT) and latency. If it's closer, it needs a lot of radio stations on earth to keep the space DC connected. And each radio station is roughtly the investment of a real DC on Earth.

Cooling is not easily available in space actually. Its a pretty difficult problem. There's no air to convect away heat so you rely only on radiative cooling which can't move a lot of heat easily.

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