Related by context. Frequent words. (Click for all words.) 51 Spectrometers 49 Spy Satellite 47 Satellite Launch 47 Payloads 46 Detects 46 Lifts Off 46 Magnetometer 46 Detector 46 Detection System 45 Launch Vehicle 45 Attenuation 44 Inertial 44 Surveillance Radar 44 Spectrometer 44 Space Capsule 44 Spectroscopic 44 Radiation Exposure 43 Tomography 43 Near Infrared 43 Payload 43 radiometer 43 Detected 43 Meteorological Satellite 43 Unmanned Aircraft 43 Verifies 43 Panel Urges 43 Leaders Agree 43 geosynchronous 43 polar orbiting 42 Successfully Launches 42 Stress Testing 42 Radiation 42 Geopolitical Diary 42 Probe Finds 42 Transducer 42 MetOp 42 Space Shuttle Launch 42 Missile Warning 41 Official Warns 41 radar altimeter 41 Disables 41 polar orbiting satellites 41 Satellite Imagery 41 Exploration Vehicle 41 Deflection 41 Impedance 41 Detectors 41 Positioning System 40 Shuttle Crew 40 Antennae 40 Orbits 40 laser altimeter 40 Suborbital 40 Millimeter Wave 40 CO2 Emissions 40 Sensor 40 NASA Spacecraft 40 Missile Launch 40 Emitting 40 Exoplanet 40 Helps Reduce 40 Weather Forecasts 39 Multi Functional 39 Tracking Device 39 Oscillator 39 Inspects 39 Radiofrequency 39 Reconfigurable 39 Electromagnetic 39 Observation 39 Climate Experiment 39 Pinpoints 39 GOES O 39 Missile Shield 39 Oscillation 39 SMOS 39 Polar orbiting Operational 39 Flyby 39 Mini SAR 39 Radiation Monitoring 39 inertial guidance 39 Chandrayan 39 Mixed Ahead 38 ALOS 38 Official Urges 38 Transmitter 38 Oceansat 2 38 photometer 38 spaceborne 38 Measurements 38 spectrometer 38 GIOVE B 38 Conductivity 38 Oscillations 38 Volcanic Ash 37 Analyser 37 Monitoring System 37 Electro Optical 37 Calibrated 37 Diagnostic Tool 37 Spacecraft