Space
10 July 2020
By Jonathan O’Callaghan
Anthony Brown / Alamy
Advanced alien civilisations could build a machine capable of moving a star – and we might be able to catch them in action.
The idea, thought up by Alexander Svoronos at Yale University, is called a Star Tug and would allow civilisations to avoid cosmic disasters.
“It’s a megastructure that can be used to move an entire star system,” says Svoronos, “If their star system is going to be in proximity of a supernova, they might want to try to avoid it.”
The idea of moving stars isn’t new. …
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