Related by context. Frequent words. (Click for all words.) 69 spacetime 62 astrophysical 62 cosmological 61 singularity 60 quantum mechanics 59 quantum theory 59 general relativity 59 wormholes 58 fermions 57 dynamical 57 gravitational lensing 57 quantum mechanical 56 topological 55 symmetries 55 multiverse 55 subatomic particles 54 vortexes 54 macroscopic 54 atoms 54 subatomic 54 atomic nuclei 54 fractals 54 relativistic 53 superposition 53 phenomenology 53 entropy 53 elliptical galaxies 53 nebulae 53 Einstein theory 53 neutron stars 53 magnetar 52 superfluid 52 relativity 52 cosmological constant 52 gravitational waves 52 galaxy clusters 52 interstellar dust 52 theorems 52 cosmology 52 anisotropy 52 X ray emission 52 astronomical observations 52 supernovae 52 spiral galaxies 51 vortices 51 magnetic fields 51 universes 51 supernova explosions 51 ontological 51 neutron star 51 cosmos 51 discontinuities 51 microstructures 51 gravitational 51 atomic nucleus 51 celestial bodies 51 quantum physics 50 universe 50 geometrical 50 cosmologists 50 plasmonic 50 supernovas 50 phenomena 50 globular clusters 50 interferometry 50 neutrino 50 theoretical physicists 50 electromagnetism 50 fractal 50 nuclei 49 cosmic microwave background 49 supernova explosion 49 astrophysicists 49 diffraction 49 Theorists 49 theorem 49 quark gluon plasma 49 nanoscopic 49 crustal 49 Gaussian 49 thermodynamic 49 epochs 49 interstellar medium 49 nucleation 49 angular momentum 49 planetary 49 GRBs 49 cosmic 49 photonic crystals 48 scalar 48 invariant 48 photons 48 metaphysical 48 crystalline structure 48 magnetosphere 48 atomic particles 48 chirality 48 quasars 48 polarities 48 brown dwarfs 48 plate tectonics