Which known object has the largest ring system?
Quick Answer
The super-Earth exoplanet candidate J1407b is associated with the largest known ring system, far bigger than Saturn’s. Its rings may span tens of millions of kilometers.
The Full Story
J1407b is a proposed exoplanet or brown dwarf best known for its enormous ring system. The rings were inferred from unusual eclipses of the young star J1407 in 2007. Estimates suggest the ring structure could be tens of millions of kilometers across, vastly larger than Saturn’s rings. The object is still not fully understood, but it remains the leading candidate for the largest ring system known. It shows that planetary ring systems can be far larger and more complex than those in the Solar System.
Key Facts
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"A planet with rings so huge they would dwarf Saturn’s."
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