Sloan Digital Sky Survey: Artist rendition of interior compositions of planets around the stars Kepler 102 and Kepler 407. The picture shows what minerals are likely to occur several different depths. Kepler 102 is Earth-like, dominated by olivine minerals, whereas Kepler 407 is dominated by garnet, so less likely to have plate tectonics. Click on the image for a larger version. Image Credit: Robin Dienel, Carnegie DTM What makes a rocky planet Earth-like? Astronomers and geoscientists have join...
Sloan Digital Sky Survey: Artist rendition of interior compositions of planets around the stars Kepler 102 and Kepler 407. The picture shows what minerals are likely to occur several different depths. Kepler 102 is Earth-like, dominated by olivine minerals, whereas Kepler 407 is dominated by garnet, so less likely to have plate tectonics. Click on the image for a larger version. Image Credit: Robin Dienel, Carnegie DTM What makes a rocky planet Earth-like? Astronomers and geoscientists have join...
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