Strange 'Lava World' Is Most Earthlike Alien Planet Yet

The exoplanet Kepler-78b is just 20 percent wider and about 80 percent more massive than Earth, with a density nearly identical to that of Earth, two research teams report in separate papers published online today in the journal Nature.



via LiveScience.com http://www.livescience.com/40829-strange-alien-planet-earthlike-kepler-78b.html