KnowraDyson sphereLinked fromLinked fromThe 6 pages that link to Dyson sphere, each with the reason it gives.All 6Broader topic 4Related 2Fermi paradoxBroader topic: It is a proposed sign of a civilization whose energy use could be detected astronomically.Search for extraterrestrial intelligenceRelated: Waste heat from such a structure could provide an indirect technosignature.TechnosignatureBroader topic: Its reradiated energy could appear as an unusual infrared excess around a star.Breakthrough ListenRelated: Its possible waste heat illustrates a technosignature beyond narrowband radio signals.Freeman DysonBroader topic: Dyson proposed searching for waste heat from civilizations using stellar-scale energy collectors.Extraterrestrial intelligenceBroader topic: Such megastructures could produce detectable waste heat, making them a proposed technosignature.