Related by context. Frequent words. (Click for all words.) 69 lithosphere 63 crustal 63 volcanism 62 X ray emission 61 magmatic 61 subduction zones 60 marine sediments 60 auroral 59 mid latitudes 59 basalts 59 ejecta 58 plate tectonics 58 magnetosphere 58 olivine 58 galaxy formation 57 troposphere 57 Enceladus 57 hydrothermal vents 57 temperature gradient 57 hydrothermal 57 aerosol particles 57 convective 57 high temperature superconductivity 57 magnetic flux 57 anisotropy 57 landmasses 57 convection 56 Saturn moon Enceladus 56 cosmic ray 56 Kuiper belt 56 nitrogen fixation 56 subduction 56 upwelling 56 landforms 55 atmospheric circulation 55 magnetar 55 magnetic fields 55 torus 55 earth crust 55 magma 55 anomalously 55 radiative 55 Earth crust 55 thermocline 55 oscillation 55 methane hydrate 54 water vapor 54 lava flows 54 ionized gas 54 oxygen isotopes 54 Tibetan Plateau 54 cirrus clouds 54 cosmic microwave background 54 Saturn rings 54 Earth magnetosphere 54 spacetime 54 equatorial regions 54 dynamical 54 brown dwarfs 54 galaxy clusters 54 accretion disk 54 equatorial 54 continental drift 53 GRBs 53 subduction zone 53 tectonics 53 rocky planets 53 volcanic gases 53 superfluid 53 seamount 53 ionosphere 53 sunspot activity 53 terrestrial planets 53 quark gluon plasma 53 astrophysical 53 hydrological cycle 53 latitudes 53 gravitational waves 53 polar caps 53 nucleation 53 sediments 53 geologically active 53 volcanic activity 53 igneous 53 biogenic 53 calcite 52 radioactive decay 52 organic molecules 52 quasar 52 mineralizing system 52 carbonaceous 52 neutrino 52 geomagnetic 52 iron oxides 52 cosmic rays 52 interstellar medium 52 HD #b [002] 52 oscillations 52 supernova explosions 52 abiotic 52 Saturn moons