Astronomers have discovered the largest known solar system, consisting of a large planet that takes nearly a million years to orbit its star. The gas giant is one trillion kilometres away, making its orbit 140 times wider than Pluto's path around our Sun.Jan 27, 2016
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Astronomers have discovered the largest known solar system, consisting of a large planet that takes nearly a million years to orbit its star. The gas giant is one trillion kilometres away, making its orbit 140 times wider than Pluto's path around our Sun.Jan 27, 2016