According to astronomy, planets the size of Neptune couldn’t possibly form and sustain any kind of atmosphere while orbiting their parent stars at a close proximity. But last year, astronomers found exactly this kind of planet!
Pandora is the idyllic blue world featured in the movie Avatar. Its location is a real place: Alpha Centauri, the nearest 별, 스타 to our Sun and the most likely destination for our first journey beyond the solar system.