Related by context. Frequent words. (Click for all words.) 55 opto mechanical 54 planetarium 53 astronomical telescope 52 confocal 52 photometer 52 zoetrope 51 Digistar 51 superconducting magnet 51 interplanetary spacecraft 51 MultiView 50 telescope 50 camera obscura 50 sensor arrays 50 photometry 50 CCD camera 50 Paranal 50 geodesic 49 aspheric 49 clerestory windows 49 photometric 49 Sofradir 49 LCLS 48 multibeam 48 interferometer 48 radomes 48 interferometers 48 Fresnel lens 48 Webb Telescope 48 digital projectors 48 interferometric 48 ZEISS 48 hemispherical 48 observatory 47 Cosmic Origins Spectrograph 47 slice CT scanner 47 laser scanner 47 borescope 47 Intensity Modulated Radiation Therapy 47 fluorescence microscope 47 inflatable dome 47 astronomical observatory 47 LOFAR 47 antenna arrays 47 GIOVE B 47 inertial guidance 46 Omnimax 46 TerraSAR X 46 stereoscopic images 46 spectral imaging 46 particle detectors 46 optical coherence tomography OCT 46 Zeiss 46 Cryosat 46 laser designator 46 SIRTF 46 Adler Planetarium 46 terrazzo flooring 46 Chang'eI 46 x ray diffraction 46 spaceborne 46 collimated 46 spectrographs 46 Adaptive Optics 46 micro machining 46 stereoscope 46 radar altimeter 46 Subaru Telescope 46 Large Binocular Telescope 46 tomographic 46 infrared IR 46 telescopes 46 Steward Observatory 46 frequency comb 46 tetrahedron 46 astrophotography 46 adaptive optics 46 piezo electric 46 magnetron 45 transmission electron microscope 45 particle detector 45 robotic welding 45 scanning electron microscope 45 laser sintering 45 HD# [005] 45 fume hood 45 Flandrau 45 optical telescope 45 X ray telescopes 45 beamline 45 JEOL 45 x ray imaging 45 confocal microscope 45 Miniaturized 45 protein crystallography 45 VLBA 45 photoluminescence 45 imager 45 eyepieces 45 Large Synoptic Survey 45 orbiting Hubble Space Telescope 45 RGB LED