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Which known exoplanet system has one of the most tightly packed resonances?
SpaceExoplanets
Quick Answer
The TRAPPIST-1 system is famous for its chain of near-resonant planets packed into a tiny space. Seven Earth-sized planets orbit an ultracool dwarf star.
The Full Story
TRAPPIST-1 is one of the most remarkable planetary systems yet discovered. Seven Earth-sized planets orbit very close to a small, cool star, and many of their orbital periods are linked in a resonant chain. This compact arrangement makes the system a major target in the search for habitable environments and atmospheric studies. Its architecture also gives astronomers clues about how planets form and migrate in crowded systems.
Key Facts
1.Seven known Earth-sized planets
2.The planets are in or near orbital resonances
3.The star is an ultracool dwarf
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Suggested video title for this topic:
"Seven Earth-sized worlds packed around one tiny star: TRAPPIST-1 is astonishing."