Related by context. Frequent words. (Click for all words.) 73 cosmological 62 general relativity 62 astrophysics 62 quantum physics 62 astronomy 60 quantum mechanics 60 particle physics 59 metaphysics 58 theoretical physics 57 Einstein theory 56 physics 55 relativity 54 astrophysicists 54 astrobiology 53 astrophysicist 51 theoretical physicist 51 cosmos 50 mysticism 50 cosmic 50 theories 50 evolutionary theory 49 metaphysical 49 supernovas 49 mythology 49 astronomers 49 distant galaxies 49 astronomer 49 physicists 49 mythologies 49 mathematics 49 plate tectonics 48 planetary scientist 48 evolutionary biology 48 supernovae 48 astrology 48 universe 48 spiritualism 48 scientific discoveries 48 relativistic 47 pulsars 47 theory 47 Astronomy 47 celestial bodies 47 Taoism 47 Darwin theory 47 quasars 47 theology 47 thermodynamics 46 spirituality 46 mathematicians 46 galaxies 46 physicist 46 Physics 46 equations 46 mathematical 46 seismology 46 theorists 46 mathematician 46 planets 46 galaxy clusters 45 science 45 planetary 45 Physicist 45 scientific 45 theological 45 philosophers 45 epigenetics 45 teachings 45 prehistory 45 neuroscience 45 ontology 45 antimatter 45 Astronomer 45 hypotheses 44 rationalism 44 Saturn rings 44 phenomena 44 developmental biology 44 civilization 44 theorem 44 gravitation 44 theorist 44 gamma ray bursts 44 humankind 44 Astrophysical Journal 44 neutron stars 44 Higgs boson 44 anthropological 44 civilizations 44 numerology 43 parallel universes 43 hypothesis 43 Astrophysics 43 epochs 43 quantum mechanical 43 theoretical 43 comets 43 anthropology 43 mystic 43 subatomic particles 42 Darwinian evolution