Quote:
Originally Posted by David Johnston2
Anyone competent at navigating by the stars would clue in. I'm tempted to argue that it should be a magical Dyson sphere around a small artificial sun that repels matter to create the illusion of gravity.
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Or have it be a ring that rotates, generating."gravity" via centrifugal force. Alternately, the exterior of a full Dyson sphere shell could have advanced technology/magic that creates gravity, pulling everything "down", away from the sun.