Double Earth-Size Exoplanet Found In System's Habitable Zone | Orbit Animation

A star (Kepler 296 system) about half the size of our Sun is harboring at least 5 planets. It is not yet known if the outermost planet, in the habitable zone (green area in video), called Kepler-296f, is a gas or water world.
credit : NASA / AMES / Kepler