3 ms·
At least 1 in 6 stars has an Earth size planet
- ra 14y agoAnd that's only 43% of the Kepler discoveries to date. http://kepler.nasa.gov/news/nasakeplernews/index.cfm?FuseAction=ShowNews&NewsID=244 http://kepler.nasa.gov/news/nasakeplernews/index.cfm?FuseAct...