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submitted 6 months ago by ooli@lemmy.world to c/space@lemmy.world
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[-] teft@lemmy.world 4 points 6 months ago

Ringworlds are not orbitally stable so they are firmly in the realm of sci fi.

[-] echodot@feddit.uk 4 points 6 months ago

Neither are Dyson spears

this post was submitted on 11 May 2024
217 points (98.2% liked)

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