Related by context. Frequent words. (Click for all words.) 56 quark gluon plasma 54 galaxy clusters 53 supersymmetry 53 spacetime 52 high temperature superconductivity 51 redshift 51 gravitational lensing 51 cosmologists 50 cosmological 50 magnetar 49 HD #b [002] 49 spectroscopy 49 GRBs 49 galaxy cluster 49 anisotropy 49 spectroscopic 48 interferometry 48 antimatter 48 fermions 48 cosmological constant 48 quantum theory 48 accreting 48 superconductivity 48 elliptical galaxies 48 rocky planets 48 astrophysicists 48 theoretical calculations 47 ionization 47 extrasolar planet 47 X ray emission 47 gravitational waves 47 Einstein theory 47 Brownian motion 47 gravitational wave 47 gamma ray burst 47 atomic particles 47 high temperature superconductors 46 Raman spectroscopy 46 nuclei 46 general relativity 46 quantum gravity 46 cosmology 46 WMAP 46 quantum mechanics 46 astrophysical 46 ref. 46 superfluid 46 silicates 46 atoms 46 phonons 46 quantum physics 46 Big Bang theory 45 particle physics 45 physicists 45 subatomic particles 45 neutron stars 45 hydrogen atoms 45 transmutation 45 brown dwarfs 45 celestial bodies 45 astronomical observations 45 interstellar medium 45 dynamical 45 deuterium 45 Neutrinos 45 supernova remnant 44 spectra 44 supernovas 44 gamma ray bursts 44 chirality 44 cosmic microwave background 44 ejecta 44 dwarf galaxy 44 supernovae 44 globular cluster 44 subatomic 44 relativistic 44 exoplanets 44 gravitationally 44 terrestrial planets 44 XMM Newton 44 muons 44 positrons 44 Theorists 44 neutrinos 43 neutrons 43 brown dwarf 43 Review Letters 43 neutrino 43 magnetization 43 magnetic fields 43 Superconductivity 43 radioactive decay 43 quantum mechanical 43 astronomical objects 43 nanocrystals 43 planet orbiting 43 Enceladus 43 Dr. Raj Baldev 43 galaxies 43 nanostructure