Harvard-Smithsonian Center for Astrophysics
Kepler Data Shows At Least 17 Billion Earth-Sized Planets in the Milky Way
NASA's Kepler spacecraft has been on a roll lately. The group Planet Hunters recently analyzed data from Kepler to discover 15 "Goldilocks" planets, and mentioned it could mean there are a lot more of those planets than initially believed. That certainly turned out to be the case, because Francois Fressin of the Harvard-Smithsonian Center for Astrophysics is now saying that there are at least 17 billion Earth-sized planets in our galaxy.Read on...