English Reading NASA on July 24th announced the discovery of Kepler-452b（开普勒-452b）, the most Earth-like planet ever found. Located 1,400 light-years from our planet, NASA called it Earth 2.0,because its the first planet discovered in the habitable zone of a G star similar to our sun. We can think of Kepler-452b as an older, bigger cousin to Earth, providing an opportunity to understand and reflect upon Earths evolving（进化的，演变的） environment, said Jon Jenkins, the Kepler data analysis l
