what is kepler exoplanet data?
 The first rocky planet to be discovered by NASA's Kepler Mission, Kepler-10b is an exoplanet 1.4 times the size of our Earth. An exoplanet is any identified planet outside of our own Solar System. An exoplanet is any identified planet outside of our own Solar System. As of June 2013, there have been 866 exoplanets identified, located around 671 stars, nearly all within the Milky Way Galaxy. 