Related by context. Frequent words. (Click for all words.) 63 Gamma rays 61 interferometric 61 photometer 60 visible wavelengths 60 spectrographs 59 near infrared NIR 59 terahertz radiation 58 gamma rays 58 MeV 58 plasmon 58 X ray emission 58 X ray beam 58 shorter wavelengths 58 interferometers 57 laser pulses 57 ionised 57 solar corona 57 microwatts 57 ultraviolet wavelengths 57 infrared 57 dispersive 57 ionized gas 57 pulsed laser 56 photosphere 56 optical wavelengths 56 multispectral 56 photodetector 56 stimulated emission 56 electrically conducting 56 attosecond 56 exosphere 56 photoluminescence 56 moon Enceladus 56 microwave frequencies 55 keV 55 ultrasonic waves 55 Cosmic rays 55 electron volts 55 infrared wavelengths 55 optical microscope 55 Sofradir 55 ionize 55 InGaAs 55 terahertz 55 substorm 55 infrared radiation 55 nanobubbles 55 cm -1 54 wavelengths 54 optical microscopy 54 synthetic aperture radar 54 X ray beams 54 Gamma ray bursts 54 GeV 54 infrared laser 54 THz 54 #.#GHz [001] 54 Photons 54 frequency comb 54 gamma ray burst 54 ion beam 54 nm wavelength 54 redshift 54 laser pulse 53 isotropic 53 waveguide 53 gamma ray 53 interferometer 53 protostar 53 polar vortex 53 HiRISE camera 53 milliwatt 53 collimator 53 Crab Nebula 53 magnetar 53 diffraction pattern 53 gravitational wave 53 infrared telescope 53 XMM Newton 53 #GHz [001] 53 -# degrees Fahrenheit [002] 53 picosecond 53 ionosphere 53 micrometre 53 auroral 53 micrometres 52 superheated steam 52 gravitational lens 52 confocal microscope 52 millivolts 52 magnetosphere 52 superlens 52 plasmons 52 exciton 52 VLBI 52 cosmic rays 52 quasar 52 femtoseconds 52 fluorophores 52 WASP #b 52 surface plasmons