2MASS J2126−8140
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The Largest Solar System Ever Has Been Discovered
Astronomers studying a lonely planet drifting through space have found its mum; a star a trillion kilometres away. The planet, known as 2MASS J2126−8140, has an orbit around its host star that takes nearly a million Earth years and is more than 140 times wider than Pluto’s. This makes it easily the largest solar system…