(plural Dyson spheres)
Named for Freeman Dyson, who originally described the concept in 1960.
"dyson-sphere." YourDictionary, n.d. Web. 14 January 2019. <https://www.yourdictionary.com/dyson-sphere>.
dyson-sphere. (n.d.). Retrieved January 14th, 2019, from https://www.yourdictionary.com/dyson-sphere
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