Related by context. Frequent words. (Click for all words.) 61 supersymmetry 59 spacetime 57 elliptical galaxies 55 symmetries 55 quantum gravity 55 planets orbiting 55 Earth magnetosphere 54 dwarf galaxies 54 planets 54 redshift 54 distant galaxies 54 gravitational lensing 54 rocky planets 53 atomic nucleus 53 extrasolar planets 53 spiral galaxies 53 dimensionality 53 globular clusters 53 GRBs 53 galaxies 53 Andromeda Galaxy 53 photons 53 cosmological 52 quasar 52 distant galaxy 52 optical microscope 52 infrared wavelengths 52 atoms 52 photon 52 cosmologists 52 exoplanets 52 qubit 52 vertices 52 astronomical objects 52 superposition 51 macroscopic 51 Milky Way 51 general relativity 51 supernovae 51 galaxy cluster 51 entropy 51 cosmological constant 51 super Earths 51 X ray emission 51 isotropic 50 Einstein theory 50 brown dwarfs 50 voxel 50 quantum mechanical 50 planet orbiting 50 Saturn rings 50 femtosecond 50 globular cluster 50 fermions 50 anisotropy 50 multiverse 49 spherical 49 XMM Newton 49 galaxy clusters 49 filaments 49 atomic nuclei 49 cosmic microwave background 49 wavelengths 49 quasars 49 gravitational wave 49 wavefront 49 quantum mechanics 49 magnetar 49 topological 49 Saturn moons 49 gravitational waves 48 subatomic 48 universes 48 Milky Way Galaxy 48 neutron star 48 orbits 48 comet nucleus 48 COROT 48 neutron stars 48 torus 48 supernova explosion 48 parallax 48 HD #b [002] 48 dimensions 48 Milky Way galaxy 48 Eta Carinae 48 high temperature superconductivity 48 universe 48 fluorescence microscopy 48 interferometry 48 magnification 48 binary 48 astronomical observations 48 qubits 48 celestial objects 48 magnetosphere 48 astronomers 48 supernova remnant 48 interferometer 48 celestial bodies 47 nanoscopic