Alien Energy-Collecting Megastructures May Have Been Detected Around Stars

Seven different stars in our galaxy may show signs of being contained within Dyson spheres, megastructures that could be constructed by advanced civilizations to harness radiation energy from stars, new research has found.These stars are all low-mass M dwarf stars—much smaller than our sun—and are all within 1,000 light-years of our planet, according to a new paper in the journal Monthly Notices of the Royal Astronomical Society.

Researchers think that if Dyson spheres did exist, we should be able to spot them, as heat from the star would cause the solar collectors of the sphere to reach immense temperatures, releasing infrared radiation that we could observe.'Starlight harvesting could, in principle, result in different observational signatures that may be detected using existing telescopes,' the researchers wrote in the paper.

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Alien 'Dyson sphere' megastructures could surround at least 7 stars in our galaxy, new studies suggestHarry is a U.K.-based senior staff writer at Live Science. He studied marine biology at the University of Exeter before training to become a journalist. He covers a wide range of topics including space exploration, planetary science, space weather, climate change, animal behavior, evolution and paleontology.
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