Related by context. Frequent words. (Click for all words.) 64 cosmologists 62 general relativity 61 Einstein theory 61 cosmological 60 cosmology 58 quantum gravity 58 astrophysicists 57 spacetime 57 supersymmetry 57 quantum theory 57 galaxy formation 57 WIMPs 57 GRBs 57 magnetar 56 quantum mechanics 56 habitable planets 56 theoretical physicists 56 Theorists 56 particle physicists 55 hypotheses 55 elliptical galaxies 55 quark gluon plasma 55 gravitational waves 55 high temperature superconductivity 55 theories 55 brown dwarfs 55 theorems 54 Bose Einstein condensate 54 quantum physics 54 hot Jupiters 54 globular clusters 54 quasars 54 astronomical observations 54 neutron stars 53 physicists 53 gravitational lensing 53 singularity 53 Saturn rings 53 quantum entanglement 53 relativity 53 Kuiper belt 53 globular cluster 52 habitable planet 52 galaxy clusters 52 cosmic 52 astrophysical 52 planets 52 accretion disk 52 supernova explosions 52 distant galaxy 52 supernovae 52 HD #b [002] 52 astronomical objects 52 neutron star 52 celestial bodies 51 cosmological constant 51 WMAP 51 gravitational wave 51 subatomic particles 51 relativistic 51 Big Bang theory 51 fermions 51 cosmic microwave background 51 astrobiologists 51 atomic particles 51 distant galaxies 51 galaxies 51 super Earths 50 wormholes 50 particle physics 50 rocky planets 50 extrasolar planets 50 Computer simulations 50 cosmos 50 supernovas 50 astronomers 50 nebulae 50 Richard Feynman 50 terrestrial planets 50 superfluidity 50 Brownian motion 50 Earth magnetosphere 50 subatomic 50 dwarf galaxies 50 cosmic rays 49 universals 49 theoretical calculations 49 intelligent beings 49 quantum mechanical 49 excitons 49 theorists 49 Occam Razor 49 particle accelerators 49 ancients 49 multiverse 49 phenomena 49 supernova explosion 49 ejecta 49 equations 49 morphologies 49 substorms