There's a really good article on the NASA website about how scientists are redefining how big the habitable or "Goldilocks" zone around a star is. Above is an artist's conception of a "Super Venus" on the lefthand side and a "Super Earth" on the righthand side. If you are interested in learning more about the Kepler mission and its findings and are in the Bay Area, There will be a talk by members of the Kepler Team on Thursday night at the Lawrence Hall of Science from 7-9 pm. Admission is free and open to the public. go here for mor information: Other Worlds