Related by context. Frequent words. (Click for all words.) 59 gravitational tug 55 planet orbits 54 X ray emission 54 microlensing 54 magnetic flux 53 pulsations 53 planet orbiting 52 gravitational lensing 51 Eta Carinae 50 magnetar 49 gravitational wave 49 perturbation 49 supernova explosion 49 magnetic fields 49 faintness 49 oscillation 49 gravitational attraction 49 HD #b [002] 49 ionizing 49 geomagnetic storms 48 cosmic ray 48 oscillations 48 subatomic particle 48 gravitational waves 48 positron 48 celestial object 48 muon 48 luminosity 48 distant galaxy 48 gravitational 47 pineal gland 47 gravitational pull 47 magnetization 47 dwarf galaxy 47 pulsation 47 iridescence 47 terahertz radiation 47 excitons 47 jerky movements 47 gamma ray burst 47 ultraviolet radiation 47 extrasolar planet 47 amplitudes 47 starlight 46 photon 46 supermassive black hole 46 angular momentum 46 accretion disk 46 Earth magnetosphere 46 perturbations 46 luminescence 46 ionized gas 46 infrared radiation 46 magnetosphere 46 alpha particles 46 quasar 46 GRBs 46 ultraviolet light 46 muscle contractions 46 aurora 46 Crab Nebula 46 vibrations 45 phonons 45 auroras 45 plasmons 45 resonant frequency 45 hydrogen atom 45 supernova 45 muons 45 protrusion 45 electrical currents 45 aerosol particles 45 magnetic pulses 45 Fomalhaut 45 supernova explosions 45 galaxy cluster 44 pulsar 44 geomagnetic storm 44 sunspot cycle 44 Andromeda galaxy 44 interferometer 44 laser pulses 44 brightness 44 dimness 44 gamma rays 44 coronal mass ejection 44 starbursts 44 laser pulse 44 constellation Orion 44 rocky planets 44 excitation 44 electrical conductivity 44 radioactive decay 44 photonic crystal 44 deformation 44 XMM Newton 44 magnetic 44 elliptical galaxies 44 convective 44 hydrogen ions 44 z =