Astronomers discover 7 Earth-sized planets orbiting nearby star – CNN News Featured International Technology Astronomers discover 7 Earth-sized planets orbiting nearby star – CNN News Editor February 23, 2017 Astronomers have found at least seven Earth-sized planets orbiting the same star 40 light-years away, according to... Read More Read more about Astronomers discover 7 Earth-sized planets orbiting nearby star – CNN News