2MASS J2126−8140

  • 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…