bestest_name_ever t1_j69htz5 wrote
Reply to comment by GrumpyButtrcup in Is there an upper limit to structure size in a vacuum? Could a sufficiently advanced civilisation build a galaxy sized structure in space or would it become too massive and collapse in on itself? by CubanHermes
Yes, and a compact shape like a cube makes that harder. But the main point is that any conceivable size is still much smaller than galaxy-sized. The death star for example, if it has a level of crew per volume that's comparable to a current ship, would hold several tens of trillions in personnel. And it's tiny, like a quarter the diameter of Ceres. But it could be built without requiring magic materials. Moving it would be a different issue.
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