Related by context. Frequent words. (Click for all words.) 63 ESO Very Large Telescope 59 Spectrometer 58 Very Large Telescope 58 XMM Newton 56 interferometry 55 infrared spectrometer 54 spectroscopic 53 photometric 52 interferometer 52 anisotropy 52 NICMOS 52 X ray emission 52 spectra 51 planetary nebulae 51 spectrometry 51 phosphorescence 51 COROT 51 WM Keck Observatory 51 muon 51 spectroscopy 50 HARPS 50 redshift 50 X ray telescope 50 supernova remnant 50 antiprotons 50 planetary nebula 50 interstellar dust 50 ejecta 50 radiometer 50 spectrometer 49 GRB # 49 infrared spectroscopy 49 VLBA 49 ESO 49 interstellar medium 49 infrared radiation 49 NASA ESA Hubble 49 Envisat 49 auroral 49 numerical simulations 49 Fluorescence 48 X ray diffraction 48 HD #b [002] 48 spectral 48 NASA Aqua 48 Hubble observations 48 astronomical observations 48 Keck Observatory 48 exciton 48 Type Ia supernovae 48 transmission electron microscope 48 rubidium 48 cosmic microwave background 48 gravitational wave 48 OSIRIS 48 gamma ray 48 isotropic 48 adaptive optics 48 FRET 48 transmission electron microscopy 48 synchrotron radiation 47 MARSIS 47 extrasolar planet 47 amplitudes 47 ionospheric 47 visible wavelengths 47 comet nucleus 47 gravitational lensing 47 WMAP 47 NASA Chandra 47 OGLE 47 magnetization 47 nebulae 47 quasars 46 CALIPSO 46 GOCE 46 SQUID 46 GRBs 46 optical telescopes 46 solar nebula 46 X ray Observatory 46 X ray beam 46 HRSC 46 quasar 46 spectrometers 46 X ray fluorescence 46 CCD camera 46 Gemini Observatory 46 STIS 46 Spitzer Space Telescope 46 absorbance 46 multispectral 46 magnetic fields 46 microlensing 46 laser pulses 46 Galaxy Evolution 46 confocal microscopy 46 radar altimeter 45 infrared wavelengths 45 galaxy cluster 45 globular cluster