Related by context. Frequent words. (Click for all words.) 57 Jodrell Bank 41 COROT 40 Global Surveyor 40 telescope 40 Andromeda galaxy 40 Pillinger 39 Beagle 39 orbiting Mars 39 infra red 38 orbiting Saturn 38 orbiting telescope 38 robotic spacecraft 38 extrasolar planet 37 optical telescopes 37 sundial 37 lightship 37 Hubble Telescope 37 Very Large Telescope 37 infrared cameras 37 airship 37 Lightship 37 Martian surface 36 MARSIS 36 Cassini Huygens 36 interplanetary spacecraft 36 radar altimeter 36 thermal emission spectrometer 36 Airship 36 Thermal imaging 36 satellites orbiting 35 Huygens probe 35 astronomical observatory 35 NASA Mars Odyssey 35 sonars 35 distress beacon 35 Arecibo Observatory 34 beacons 34 ExoMars 34 CCTV cameras 34 NASA Kepler 34 Mars Reconnaissance Orbiter 34 geostationary satellites 34 flying saucers 34 X ray beam 34 ESO Very Large Telescope 34 lunar module 34 blimp 34 Hubble telescope 34 orb 34 martian 33 infrared camera 33 Mars 33 Huygens 33 rover Opportunity 33 infrared 33 AMBITIOUS 33 Mars orbiter 33 Cassini orbiter 33 lander 33 motherships 33 homing pigeon 33 Saturn moon 33 dirigible 33 radio transmitters 33 gravitational wave 33 Ares IX rocket 33 NASA Cassini spacecraft 33 Mars Odyssey 33 specially modified 33 Mars lander 33 orbiting spacecraft 33 Gusev Crater 33 Oceansat 2 33 observatory 32 Nasa 32 sundials 32 Polar Lander 32 monoplane 32 ESA Mars 32 tailfin 32 dirigibles 32 Stardust spacecraft 32 Phoenix lander 32 Very Large Array 32 pinger 32 Martian soil 32 Mars Lander 32 Voyager spacecraft 32 planetoid 32 Hylas 32 unpiloted 32 infrared spectrometer 32 Fresnel lens 32 thermal imaging 32 thermal imaging cameras 32 Orbiting Carbon Observatory 32 LCROSS mission 32 ghostbusters 31 transmitter 31 unmanned aerial vehicle 31 Spectrometer