If we charged industry fair costs for dumping pollutants into water, land and air on Earth - we would have no uncosted externalities. If we then pointed out th

If we charged industry fair costs for dumping pollutants into water, land and air on Earth - we would have no uncosted externalities. If we then pointed out that in space or on the surface of a lifeless rock there are no costs of pollutants there might be a bit of incentive to move. But you are correct, those companies would need to be self-sufficient in gathering all resource inputs and be able to ship finished products back where they are wanted. Much more complex than renting an industrial unit in an industrial town.