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Origin of minor planets’ rings revealed

19 September 2016 Astronomy Now

Chariklo is the largest confirmed centaur, a minor planet orbiting the Sun between Saturn and Uranus. In 2014, two rings were discovered around Chariklo. Soon after, scientists discovered that rings likely exist around another centaur, Chiron, but the origin of these rings remained a mystery — until now.

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Origin of Saturn’s F Ring and its shepherd moons revealed

24 August 2015 Astronomy Now

Researchers at Kobe University have used computer models to reveal that Saturn’s F Ring and its shepherd satellites are a natural outcome of the final stage of the planet’s satellite system. This new finding is expected to help elucidate the formation of satellite systems both within and outside our solar system.