Related by context. Frequent words. (Click for all words.) 69 ESO Very Large Telescope 66 Very Large Telescope 60 HiRISE camera 60 XMM Newton 59 Mauna Kea Hawaii 59 interferometry 58 photometer 58 VLBA 57 WM Keck Observatory 57 optical telescope 57 photometry 56 adaptive optics 56 optical microscopy 55 spectrographs 55 hyperspectral 55 La Silla Chile 55 telescope 55 Southern Observatory ESO 55 VLBI 54 radiometer 54 interplanetary spacecraft 54 infrared telescope 54 Keck Observatory 54 spectroscopic 53 infrared 53 interferometer 53 telescopes 53 scanning electron microscope 53 COROT 53 Spectrometer 53 OSIRIS 53 Advanced Camera 53 NICMOS 52 radial velocity 52 radar altimeter 52 ASTER 52 NASA ESA Hubble 52 National Astronomical Observatory 52 spectrometer 52 attosecond 52 microlensing 52 infrared wavelengths 52 ionospheric 52 WFC3 52 Lick Observatory 52 HRSC 51 Mini SAR 51 diffractive 51 solar corona 51 femtosecond 51 confocal microscopy 51 Remote sensing 51 transmission electron microscope 51 NASA Aqua 51 CCD camera 51 multispectral 51 microscopic imager 51 infrared imagery 51 confocal 51 infrared spectrometer 51 spatial resolution 51 tomography 50 NASA Cassini spacecraft 50 Gemini Observatory 50 optical telescopes 50 spectrometry 50 European Synchrotron Radiation 50 Lidar 50 Hinode 50 Imaging Spectroradiometer MODIS 50 MARSIS 50 occultation 50 HARPS 50 LCLS 50 atmospheric turbulence 50 Arecibo Observatory 50 ESRF 50 visible wavelengths 50 CALIPSO 50 Thermal Emission Imaging 50 infrared mapping spectrometer 50 optical microscope 50 spacecraft orbiting 49 spectrometers 49 scanning tunneling microscope 49 Very Large Array 49 Voyager spacecraft 49 particle detector 49 IKONOS 49 asteroid Itokawa 49 synchrotron radiation 49 optical microscopes 49 ESA Mars 49 photometric 49 orbiting Mars 49 observatories 49 neutron scattering 49 Andromeda galaxy 49 MODIS 49 geodesy 49 remote sensing