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Ghost star’s planet orbits backward in a bizarre stellar system
A bizarre planet defies cosmic norms: scientists have confirmed a giant planet orbiting in reverse around one star in a close binary system—an arrangement previously thought impossible. Using advanced tools, they discovered the companion star is a faint white dwarf that lost most of its mass billions of years ago. The team now believes this planet may be a rare second-generation world, born from or captured by the debris of its dying stellar neighbor. This find challenges traditional models of planet formation and opens a new chapter in exoplanetary science.
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