Dyson spheres
Black Hole Megastructures May Be Powering Alien Civilizations, Scientists Say
Dyson spheres encompassing around black holes could yield up to one million times more energy than those built around stars, according to a new study.
Physicist Proposes Turning the Sun Into a Gigantic Engine
“That’s the new result of the paper: What exactly is possible if you have a Dyson sphere and you want to use it to drive a jet to push a star around?”
How Astronomers Will Determine If That 'Megastructure' Really Is Alien
It’s very unlikely that aliens built a Dyson sphere around the star KIC 8462852. Let’s study the hell out of it anyway.
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