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Noun
1. Dyson spherePhysics
Wikipedia definition
2. Dyson sphereA Dyson sphere is a hypothetical megastructure originally described by Freeman Dyson. Such a "sphere" would be a system of orbiting solar power satellites meant to completely encompass a star and capture most or all of its energy output.
Read “Dyson sphere” on English Wikipedia
Read “ダイソン球” on Japanese Wikipedia
Read “Dyson sphere” on DBpedia

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