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Author Topic: Megastructures  (Read 776 times)

JustineGraykin

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Megastructures
« on: January 25, 2014, 03:07:57 PM »
We all know about Dyson spheres (though most of us are thinking of something very different from Dyson's idea). What are some other gigantic structures in science fiction? Why would you build something bigger than a planet? How?
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