Exoplanet's Massive Rings are as Large as a Solar System

January 27, 2015 10:45 AM

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(Photo : NASA/JPL-Caltech/Space Science Institute) The small dot located in Saturn's outer F-ring is Prometheus, a moonlet the size of a mountain.

A new study reveals the existence of an exoplanet whose ring system is as large as an entire solar system.

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