The planetary-mass object J2126 – previously thought to be a free-floating planet – orbits its parent star in the most distant orbit seen yet, according to a group of scientists led by Dr Niall Deacon of the University of Hertfordshire, UK. An artist’s impression of the massive exoplanet J2126. Image credit: Neil Cook / University of Hertfordshire. J2126 (full name 2MASS J21265040-8140293) is about 13 times the mass of Jupiter. It orbits...
