Image: NASA locates smallest planet observed beyond sun's solar system

A NASA's Kepler spacecraft has discovered a rocky planet that is 1.4 times bigger than earth and is the smallest ever observed outside our sun's solar system. Kepler-10b's size and solid structure would make it more probable than gaseous planets to posses liquid water, and maybe also some type of life, if it were the appropriate distance from its star, the scientists said. Yet, because Kepler-10b orbit time is about 0.84 days, will result in a too close to its star, about 20 times shorter than Mercury-Sun distance.
Read more details on Kepler-10b discovery by NASA.