Related by context. Frequent words. (Click for all words.) 64 X ray telescopes 64 infrared 61 interferometric 61 submillimeter 61 photometer 61 Pancam 61 multispectral 60 infrared wavelength 59 panchromatic 59 infrared telescopes 59 diffracted 59 magnifying lens 59 coronagraph 59 telescopes 58 fluorescence microscope 58 HiRISE camera 58 GALEX 58 ultraviolet wavelengths 58 polarizing filter 57 infra red 57 eyepieces 57 Epsilon Eridani 57 infra red camera 57 infrared detector 57 stereoscopic images 57 XMM Newton 57 collimator 57 laser altimeter 57 optical wavelengths 56 LOFAR 56 gravitational lens 56 spaceborne 56 Keck telescope 56 magnifications 56 AKARI 56 PTZ camera 56 spectrographs 56 near infrared NIR 56 infrared spectrometer 56 eyepiece 56 visible wavelengths 56 WFC3 56 tripod mounted 56 extrasolar 56 nebulas 56 collimated 55 CCD camera 55 faraway galaxies 55 Hubble Ultra 55 Mars orbiters 55 infrared imagery 55 astronomical objects 55 penlight 55 Lyman alpha 55 unaided eye 55 optical microscopy 55 optical telescopes 55 orbiting Hubble Space Telescope 55 VIRTIS 55 infra red cameras 55 iris patterns 55 multispectral imaging 55 optical microscopes 55 convex mirror 55 spacecraft orbiting 54 illuminance 54 Remote sensing 54 photometry 54 spectrometer 54 gamma ray 54 interferometry 54 HRSC 54 solar corona 54 diffraction pattern 54 VLBA 54 Synthetic Aperture Radar SAR 54 panoramic camera 53 photoluminescence 53 beam splitter 53 tomographic 53 infrared camera 53 spectroscopic 53 radiometer 53 Galaxy Evolution 53 backlighted 53 magnification 53 distant galaxies 53 reflectance 53 comet tail 53 microscopic imager 53 infrared IR 53 interplanetary spacecraft 53 laser designator 53 Very Large Telescope 53 obscuration 53 tuneable 53 camera viewfinder 53 telescope 53 Raman scattering 53 microlenses 53 sensor arrays