... Newfound frozen world orbits in binary star system . A study provided the first evidence that terrestrial planets can form in orbits similar to Earth s, even in a binary star system where the stars are not far apart. ... This artist's rendering shows a newly discovered planet (far right) orbiting one star (right) of a binary star system. ... At twice the mass of Earth, the planet orbits one of the stars in the binary system at almost exactly the same distance at which Earth orbits the Sun. ...