NASA @NASA
A whole new world! An Earth-size exoplanet has been found orbiting in its star's habitable zone, the area around a star where a rocky planet could support liquid water. Find out about this intriguing discovery by our @NASAExoplanets Kepler mission: https://t.co/PfEUtiJPX6 https://t.co/4FZW2tVgGf — PolitiTweet.org