Related by context. Frequent words. (Click for all words.) 63 interferometer 63 XMM Newton 63 WM Keck Observatory 63 COROT 62 spectroscopic 62 interferometry 62 radial velocity 62 microlensing 62 WFC3 61 ESO Very Large Telescope 61 Keck Observatory 61 HiRISE camera 61 Galaxy Evolution 61 Hubble observations 60 photometry 60 solar corona 60 NICMOS 60 photometer 59 CALIPSO 59 optical microscopy 59 Cassini Huygens 59 infrared telescope 59 galaxy formation 59 optical microscope 59 particle detector 58 NASA ESA Hubble 58 interplanetary spacecraft 58 adaptive optics 58 Very Large Telescope 58 optical telescope 58 VLBA 58 distant galaxy 58 Cosmic Origins Spectrograph 58 National Astronomical Observatory 58 Spitzer Space Telescope 58 VLBI 58 Mauna Kea Hawaii 58 spectrographs 57 gravitational lensing 57 LCROSS mission 57 Mini SAR 57 JWST 57 OSIRIS 57 La Silla Chile 57 transmission electron microscope 57 NASA Chandra 57 X ray telescope 57 GOCE 57 NASA Cassini spacecraft 57 CIRS 57 Gemini Observatory 57 GRB # 56 gravitational wave 56 transmission electron microscopy 56 X ray Observatory 56 Spectrometer 56 galaxy cluster 56 frequency comb 56 Hubble Telescope 56 beamline 56 Pan STARRS 56 planetary nebulae 56 IceCube 56 spectrometer 55 ESRF 55 Southern Observatory ESO 55 European Synchrotron Radiation 55 Earth magnetosphere 55 telescope 55 multispectral 55 THEMIS 55 photonic crystal 55 active galactic nuclei 55 SMOS 55 infrared wavelengths 55 CloudSat 55 WASP #b 55 brown dwarf 55 Remote sensing 55 SPIRE 55 shorter wavelengths 55 X ray emission 55 quantum entanglement 54 extrasolar planet 54 Type Ia supernovae 54 confocal 54 HARPS 54 astronomical observations 54 Space Telescope 54 spectroscopy 54 LIGO 54 STIS 54 aerosol particles 54 spectrograph 54 CRISM 54 Sensing Satellite LCROSS 54 NASA Lunar Reconnaissance 54 NASA Cassini 54 synchrotron radiation 54 spacecraft orbiting 54 Crab Nebula