Kepler 102 (left): Earth-like, dominated by olivine minerals; Kepler 407 (right): dominated by garnet, less likely to have plate tectonics
Kepler 102 (left): Earth-like, dominated by olivine minerals; Kepler 407 (right): dominated by garnet, less likely to have plate tectonics
Image Credit: Sloan Digital Sky Survey
License: Standard SDSS image license
