The galaxy’s coldest “stars” may actually be alien megastructures
A new study explores how astronomers might detect Dyson swarms, which are hypothetical megastructures built by advanced civilizations to harvest stellar energy. Researchers suggest that red dwarfs and white dwarfs are the most likely candidates for these structures due to their longevity and compact size.
Since physicist Freeman Dyson first proposed the idea in 1960, the hypothetical "Dyson sphere" has become one of the most intriguing concepts in the search for extraterrestrial intelligence. Rather than a single solid shell, scientists now envision a Dyson "swarm" made up of countless orbiting structures that capture nearly all of a star's energy.
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