Related by context. Frequent words. (Click for all words.) 60 infrared wavelengths 58 optical wavelengths 57 shorter wavelengths 57 infrared wavelength 56 ultraviolet wavelengths 56 visible wavelengths 55 WFC3 54 wavelengths 54 VLBI 54 LOFAR 54 interferometers 54 solar corona 54 photometry 53 spectrographs 53 MARSIS 53 infrared 53 interferometry 52 interferometric 52 redshift 52 redshifts 52 SIRTF 52 credit NASA JPL 52 perihelion 52 optical telescopes 51 microwave frequencies 51 multispectral 51 XMM Newton 51 spatial resolution 51 Downlink 51 Credit NASA JPL 51 Lunar Reconnaissance Orbiter LRO 51 Very Large Array 51 frequency comb 51 JPL manages 51 La Silla Chile 50 near infrared NIR 50 LCLS 50 WFPC2 50 interferometer 50 TerraSAR X 50 FT IR 50 VIRTIS 50 optical microscopy 50 interplanetary spacecraft 50 Meteorological Satellite 50 shorter wavelength 49 HiRISE camera 49 Mini SAR 49 infrared imagery 49 InGaAs 49 Pan STARRS 49 picoseconds 49 highly elliptical orbit 49 Keck telescope 49 Tropical Rainfall Measuring 49 laser pulses 49 diffraction pattern 49 femtoseconds 49 NICMOS 49 Ultrafast 49 hyperspectral 49 gaseous planets 49 IceCube 49 exosphere 49 micrometre 49 microwave radiation 49 Proba 49 SMOS 49 Infrared 49 Gamma ray bursts 49 stimulated emission 49 cm -1 49 radar altimeter 48 infrared radiation 48 VLBA 48 astronomical objects 48 STIS 48 planetary missions 48 JWST 48 photochemistry 48 femtosecond 48 GRBs 48 NASA Cassini 48 HRSC 48 6GHz 48 planet orbits 48 NASA Cassini spacecraft 48 Galaxy Evolution 48 keV 48 LIGO 48 microscopy techniques 48 OSIRIS 48 photonic devices 48 Adaptive Optics 48 gravitational lens 48 InSAR 48 orbiting Hubble Space Telescope 48 Compton Gamma Ray 47 spectrometers 47 GeV 47 micrometres