New ring detected around Saturn

The dusty hoop lies some 13 million km (eight million miles) from the planet, about 50 times more distant than the other rings and in a different plane. ... Indeed, so feeble is the ring that scientists have calculated that if all the material were gathered up, it would fill a crater on Phoebe no more than a kilometre across.

2009-10-07

 Saturn ring astronomy Solar System Iapetus Moon Phoebe

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