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Q&A How long would it take a civilization to see and understand a Dyson ring?

If a star had a Dyson ring of some kind around it, such that to the naked eye the star wouldn't dim at all, how long would it take a civilization to reasonably see and understand the Dyson swarm, a...

1 answer  ·  posted 7y ago by SpaceMouse‭  ·  last activity 7y ago by SpaceMouse‭

Question astronomy megastructures gas