NASA’s Kepler mission has discovered 11 new planetary systems hosting 26 extrasolar planets. According to NASA’s Jet Propulsion Laboratory, these planets range in size from 1.5 times the radius of Earth to giants larger than Jupiter. All of them are closer to their host star than Venus is to our Sun. Image of Kepler-23 taken at the Lick Observatory (Dr. Eric Ford et al) Fifteen planets are between Earth and Neptune in size. Further observations...
