Related by context. Frequent words. (Click for all words.) 60 Type Ia supernovae 59 elemental composition 59 redshift 57 redshifts 57 Cosmologists 56 atmospheric CO 55 diffraction pattern 55 planetary nebulae 55 radial velocity 55 Cepheids 55 superlens 55 decoherence 55 galaxy formation 54 z = 54 numerical simulations 54 isotopic composition 54 Supernovae 54 substorm 54 photometry 54 isotopic 53 gravitational lens 53 geoid 53 radioactive decay 53 anisotropy 53 solar nebula 53 magnetic reconnection 53 gravitational lensing 52 spectroscopic 52 quantum entanglement 52 numerical simulation 52 osmium 52 detectability 52 Crab Nebula 52 GRBs 52 X ray emission 52 visible wavelengths 52 photoluminescence 52 supernovae 52 Higgs particle 52 keV 52 Eta Carinae 52 Hubble observations 51 cosmological 51 magnetar 51 baryons 51 ultraviolet wavelengths 51 phenomenological 51 gravitational wave 51 γ 51 tropospheric 51 abundances 51 novae 51 noble gases 51 WMAP 51 Gamma rays 51 electron density 51 GeV 51 Gamma ray bursts 51 supernova explosions 51 morphologies 51 astrophysical 51 XMM Newton 51 protostar 51 magmas 50 interpretable 50 dispersive 50 supernova explosion 50 WASP #b 50 infrared wavelengths 50 high temperature superconductivity 50 protoplanetary disk 50 supernova remnants 50 quantized 50 planetary nebula 49 elliptical galaxies 49 GRB # 49 Hawking radiation 49 Astrophysicists 49 CoRoT 49 quark gluon plasma 49 supernova remnant 49 subatomic 49 observable universe 49 biogenic 49 cosmic microwave background 49 dwarf galaxy 49 photometer 49 cm -1 49 cuprates 49 astronomical objects 49 quasars 49 subatomic particle 49 atmospheric methane 49 WIMPs 49 adiabatic 48 mathematical algorithm 48 globular clusters 48 infrared spectroscopy 48 spectrographs 48 stable isotope 48 biogeochemical