Related by context. Frequent words. (Click for all words.) 64 radial velocity 61 photometry 56 celestial object 56 atmospheric turbulence 55 microlensing 54 solar corona 54 planetary nebulae 54 COROT 54 shorter wavelengths 54 Hubble observations 53 occultation 53 infrared wavelengths 53 orbiting planets 53 redshifts 53 photometric 53 distant galaxy 53 Oort Cloud 53 visible wavelengths 53 redshift 53 XMM Newton 53 velocities 53 WFC3 52 ecliptic 52 extrasolar planet 52 parallax 52 planet orbits 52 interferometry 52 extrasolar planets 52 Andromeda galaxy 52 amplitudes 52 astronomical observations 52 anisotropy 51 orbits 51 comet nucleus 51 VLBI 51 spectra 51 interferometer 51 gravitational wave 51 X ray emission 51 spectroscopic 51 gravitational lensing 51 magnifications 51 bathymetry 51 Milky Way Galaxy 51 Jupiter moons 50 particle detectors 50 radiometer 50 GRBs 50 interstellar dust 50 oscillations 50 unaided eye 50 asteroid Itokawa 50 galaxy cluster 50 celestial bodies 50 innermost planet 50 infrared radiation 50 VLBA 50 Fomalhaut 50 particle beam 50 photometer 49 wavelengths 49 particle sizes 49 MARSIS 49 Gamma ray bursts 49 optical telescopes 49 planets 49 magnetization 49 oblique angle 49 spatial resolution 49 observable universe 49 Saturn rings 49 exoplanets 49 Eta Carinae 49 attosecond 49 globular clusters 49 spectral 49 micrometres 49 GeV 48 laser pulses 48 ejecta 48 fluorophores 48 planets circling 48 hyperspectral 48 antiprotons 48 astronomical objects 48 starlight 48 HRSC 48 elliptical galaxies 48 elliptical orbit 48 isotropic 48 keV 48 brown dwarfs 48 NICMOS 48 distant galaxies 48 magnetar 48 Very Large Telescope 48 super Earths 48 galaxy formation 48 exciton 48 ESO Very Large Telescope 47 HD #b [002]