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A Year Lasts 16 Hours on This Ultrahot, Jupiter-like Planet
A newly-detected gas giant roughly 800 light years from Earth swings around its star so quickly that a year passes in 16 hours. The trouble is nobody would last long enough to get old even on TOI-2109b’s own terms — the Jupiter-like gas giant is blazing hot. “The temperatures on this planet even exceed those of some stars,” says Ian Wong, an astronomer at NASA Goddard Space Flight Center in…