A mysterious ring surrounding mini-planet Quaoar puzzles astronomers

A mini-planet orbiting in the frigid outer reaches of the solar system has a Saturn-like ring of dust and debris that defies the rules of physics, a new study has revealed. 

The planet in question is called Quaoar and it’s the seventh largest of the known dwarf planets of which Pluto is the king. Discovered in 2002 and about 697 miles wide (1,121 kilometers), Quaoar is one of the so-called trans-Neptunian objects, small planets orbiting beyond the solar system‘s outermost planet Neptune

Originally published at www.space.com

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