Related by context. Frequent words. (Click for all words.) 68 XMM Newton 65 ESO Very Large Telescope 65 COROT 65 spectroscopic 63 Spitzer Space Telescope 63 interferometry 62 Very Large Telescope 62 NASA Chandra 62 WM Keck Observatory 60 redshift 60 spectra 60 photometric 59 astronomical observations 59 astronomical objects 59 WMAP 59 gravitational lensing 59 gravitational wave 59 HD #b [002] 59 X ray Observatory 59 NASA Cassini spacecraft 58 spectrometry 58 interferometer 58 astronomers 58 adaptive optics 57 Very Large Array 57 GRBs 57 spectroscopy 57 NASA Kepler 57 Spectrometer 57 X ray emission 57 extrasolar planet 56 Resolution Imaging 56 planets orbiting 56 optical telescopes 56 quasars 56 Space Telescope 56 brown dwarf 56 infrared wavelengths 56 galaxy cluster 56 Orion Nebula 56 exoplanet 56 extrasolar planets 56 exoplanets 56 planet orbiting 56 brown dwarfs 55 dwarf galaxy 55 super Earths 55 quasar 55 distant galaxy 55 gamma ray burst 55 Eta Carinae 55 distant galaxies 55 rocky planets 54 x ray crystallography 54 Saturn moon Enceladus 54 optical microscope 54 globular cluster 54 Cassini Huygens 54 spatial resolution 54 laser pulses 54 scanning electron microscope 54 galaxy clusters 54 gravitational waves 54 supernova remnant 54 elliptical galaxies 54 Milky Way Galaxy 54 X ray diffraction 53 auroral 53 supernovae 53 NASA Hubble Space 53 ejecta 53 celestial object 53 Astrophysical Journal 53 photonic crystal 53 reflectance 53 transmission electron microscope 53 comet nucleus 53 telescopes 53 electron microscopy 53 dwarf galaxies 53 astrophysical 53 hyperspectral 53 multispectral 52 WIMPs 52 Andromeda galaxy 52 terrestrial planets 52 Large Magellanic Cloud 52 astrophysicists 52 telescope 52 infrared telescope 52 habitable planets 52 SDSS 52 gamma ray bursts 52 FRET 52 NASA Lunar Reconnaissance 52 THEMIS 52 spectrometers 52 Astrophysical Journal Letters 52 Raman spectroscopy 52 occultation 52 supernova explosion