Artist's impression showing a newly discovered Jupiter twin gas giant orbiting the solar twin star, HIP 11915. The planet is of a very similar mass to Jupiter and orbits at the same distance from its star as Jupiter does from the Sun. This, together with HIP 11915's Sun-like composition, hints at the possibility of the system of planets orbiting HIP 11915 bearing a resemblance to our own Solar System, with smaller rocky planets orbiting closer to the host star. Credit: ESO/M. Kornmesser ============================================================================================ Astronomers have used the ESO 3.6-metre telescope to identify a planet just like Jupiter orbiting at the...