Related by context. Frequent words. (Click for all words.) 51 photometer 50 Fluorescence 48 spectrometry 48 Spectrometer 46 spectrographs 46 ESO Very Large Telescope 46 infrared spectrometer 44 particle detectors 44 Very Large Telescope 44 ultrasonic waves 44 Terahertz 43 ionisation 43 radioactive tracer 43 scintillation 42 gravitational wave 42 Infra Red 41 spectrally 41 Geochemistry 41 multispectral 40 infrared rays 40 infra red 40 infrared laser 40 sensor arrays 40 muons 40 infrared 39 microwave radiation 39 particle beam 39 Very Large Array 39 photometric 38 Fluorescent 38 detector 38 Geophysical Survey 38 Ultra Violet 38 Corot 38 Detector 38 infra red cameras 37 laser beams 37 Detectors 37 Microscopic 37 Gamma rays 37 Infrared 37 radiometric surveys 37 spectral 37 X ray beam 37 haloes 37 Sulfide 36 gamma ray 36 Electromagnetic 36 electromagnetic waves 36 luminescence 35 glow worms 35 bioluminescent 35 infrasound 35 electromagnetic 35 seismographic 35 ultra violet 35 induced polarization 35 NASA Cassini 35 Detects 35 motes 35 bioluminescence 35 Borehole 35 ultrasonic sensors 35 Droplets 35 Cosmic rays 34 Geochemical 34 lasers 34 pinhole cameras 34 electro magnetic 34 hydrophone 34 ultra violet light 34 lunar poles 33 ectoplasm 33 thermal imager 33 infrared camera 33 La Silla Chile 33 gamma radiation 33 airborne magnetic survey 33 optical microscopes 33 sonars 33 3D Seismic 32 detectors 32 infrared beam 32 magnetic pulses 32 orbs 32 Detected 31 Thermal imaging 31 infrared beams 31 Uranium Deposit 31 Whirling 31 infrared detectors 31 luminescent 31 radiometric anomalies 31 geophysical interpretation 31 Avrupa 31 emanations 30 blacklight 30 Chromite 30 Assay Results 30 soil geochemical survey 30 Magnetite