ManyThingsLittleTime t1_j6afcrz wrote
Reply to comment by FogeltheVogel 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
It is an example to demonstrate how much mass is needed to accomplish even a small scale version of what their talking about. It's an analogy.
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