61K views · 618 shares | More exoplanet discoveries from NASA's Transiting Exoplanet Survey Satellite - TESS !  One of these exoplanets is located in its star’s habitable zone, which means it is not too hot and not too cold for liquid water to exist on the surface. In other words, it’s “just right” for habitability. More: https://go.nasa.gov/2MC3iJS | NASA - National Aeronautics and Space Administration | Facebook