Related by context. Frequent words. (Click for all words.) 76 magma 69 lava 65 lava flows 62 Earth crust 61 molten lava 56 earth crust 56 volcanoes 56 volcanism 56 lava dome 55 basalt 55 volcanic rock 55 meltwater 54 volcanic 54 volcanic activity 54 lava flow 54 neutron star 54 water vapor 52 plate tectonics 51 plume 51 crater 51 molten 51 volcano 50 caldera 50 magnetosphere 49 quasar 49 supermassive black hole 49 Enceladus 49 tectonic plate 49 tectonic 49 hydrothermal 49 volcanos 48 methane 48 molten metal 48 crust 48 active volcanoes 48 volcanic eruptions 48 seafloor 47 seismic activity 47 superheated 47 rock formations 47 Saturn rings 47 glacier 47 glacial ice 46 geysers 46 corona 46 vortices 46 seismic waves 46 cosmic rays 46 troposphere 46 plumes 45 geyser 45 eruptions 45 meteor 45 neutron stars 45 capillaries 45 vapor 45 gaseous 45 supermassive black holes 45 comet 45 gamma rays 45 permafrost 45 comets 44 glaciers 44 droplets 44 craters 44 convection 44 Kilauea 44 galaxies 44 sediments 44 particles 44 gases 44 eruption 44 liquefied 44 galaxy clusters 44 Saturn moon 44 nebula 43 Martian atmosphere 43 rocks 43 supernova 43 eddies 43 quasars 43 gravitational waves 43 methane gas 43 tectonic plates 43 pulsar 43 deuterium 43 silicate 42 globules 42 fireball 42 protons 42 volcanic rocks 42 starlight 42 sediment 42 seawater 42 ice crystals 42 hot springs 42 magnetic fields 42 outer layers 42 whitish 42 sedimentary 42 Milky Way galaxy