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(Click for frequent words.) 60 velocity vector 60 circularize 60 orbit 59 rocket thrusters 58 drogue parachute 58 maneuvering thrusters 58 thruster firings 58 orbital maneuvering 57 thrusters 57 circular orbit 57 ballistic trajectory 57 geosynchronous 56 orbital inclination 56 orbital 56 highly elliptical orbit 56 geo synchronous 56 spacecraft 56 Sun synchronous orbit 55 orbital velocity 55 rotational axis 55 equatorial orbit 55 geo synchronous transfer 55 synchronous orbit 55 prograde 54 lunar orbit 54 geo stationary orbit 54 sun synchronous orbit 54 ion thrusters 54 retrorockets 54 geosynchronous Earth 54 deorbiting 54 electric ion propulsion 53 reboost 53 geosynchronous orbit 53 perilune 53 thrust vector 53 suborbital trajectory 53 Fregat upper stage 53 Churyumov Gerasimenko 53 SMOS mission 53 SBSS satellite 53 elliptical orbit 53 deorbit 53 hypersonic speeds 53 Mars Reconnaissance Orbiter MRO 53 pericentre 53 LVLH 53 redock 53 retrorocket 52 Pirs Docking Compartment 52 heavier payloads 52 Earth gravitational pull 52 CMGs 52 highly elliptical orbits 52 preset orbit 52 lunar orbits 52 Pirs docking compartment 52 axis perpendicular 51 Earth orbit 51 hydrazine thrusters 51 entire Milstar constellation 51 orbital rendezvous 51 OSTM Jason 2 51 IBEX spacecraft 51 geo synchronous orbit 51 thruster 51 Rockot launcher 51 apogee farthest point 51 polar orbit 51 Yarkovsky effect 51 robotic Canadarm 51 Titan flyby 51 Jules Verne ATV 51 SDACS 51 retroreflector 51 gradiometer 51 deorbit burn 51 crewed spacecraft 50 Rockot launch 50 Kibo robotic arm 50 Control Moment Gyroscopes 50 carry heavier payloads 50 geosynchronous satellite 50 azimuthal 50 stabilizing gyroscopes 50 hypervelocity 50 payload 50 GSLV D3 50 Milstar II 50 synchronous polar 50 Earth rotational axis 50 geosynchronous transfer orbit 50 P#/P# truss 50 orbital insertion 50 ISS reboost 50 Earth orbit LEO 50 orbits 50 probe Chang'e 50 altitude airspeed 50 orbiter lander 50 KAGUYA 50 geosynchronous satellites 50 Hubble orbits 50 Comet Churyumov Gerasimenko 50 Orbiter Processing Facility OPF 50 geosynchronous orbits 50 obliquity 50 Gyroscopes 50 gimbaled 49 Foton M3 49 axial tilt 49 orbital maneuvers 49 GSLV rocket 49 GOES O 49 Philae lander 49 orbiter 49 airglow 49 station Pirs docking 49 Zvezda module 49 retrograde orbit 49 spacecraft orbited 49 bi propellant 49 ion propulsion 49 Saturn Cassini 49 Ulysses spacecraft 49 spacecrafts 49 inertial measurement unit 49 INSAT 4CR 49 NextSat 49 Earth radii 49 inertial guidance 49 faulty gyroscope 49 comet Churyumov Gerasimenko 49 geo stationary 49 gravitational slingshot 49 Chang'eI 49 airlock module 49 midcourse phase 49 P6 truss 49 Foton spacecraft 49 propellant loading 49 spacecraft Chandrayaan 1 48 jovian 48 Plesetsk Cosmodrome 48 gravitational keyhole 48 spaceward 48 Martian orbit 48 elevons 48 comet orbit 48 moonquakes 48 planetary Transits 48 starboard truss 48 O OREOS 48 sunward 48 geostationary orbit 48 perigee 48 elongated orbit 48 ESA SMART 48 Globalstar satellites 48 Cryosat 48 Launch Abort System 48 LRO LCROSS 48 hourlong descent 48 orbital eccentricity 48 xenon propellant 48 Briz M 48 ASTRA 1G 48 Venusian surface 48 Geosynchronous Transfer Orbit GTO 48 Pirs Docking Compartment airlock 48 electron flux 48 Orbital Module 48 Fregat 48 GSAT 5P 48 Soyuz FG 48 geosynchronous satellite launch 48 Atlantis Undocks From 48 GPS IIF 48 LRO spacecraft 48 superhot gases 48 CX OLEV 48 A# modular 48 Insat 4B 48 orbiting 48 Curiosity rover 48 galactic equator 48 Comet 9P/Tempel 1 48 atmospheric reentry 48 ESA GOCE 48 fiery reentry 48 arcsecond 48 Pirs module 48 Solid Rocket Booster 48 transonic 48 lander rover 48 MTSAT 1R 48 perigee closest 47 DSCS III 47 LAGEOS 47 unpiloted 47 GLONASS constellation 47 gravitational acceleration 47 ion thruster 47 Skynet 5C 47 NFIRE 47 robotic arm Canadarm2 47 Kepler 9c 47 X ray observatory 47 Geo IK 47 steering wheel tilts 47 equatorial latitudes 47 indigenous cryogenic stage 47 Kurs automated 47 Jovian moons 47 Roman Romanenko 47 elliptical orbits 47 Foton M2 47 #.#nm [002] 47 firing thrusters 47 launcher subsystem 47 Earth magnetotail 47 geosynchronous transfer 47 pressurized compartments 47 Soyuz landings 47 uncommanded 47 lunar equator 47 reentry capsule 47 Comet #P/Churyumov-Gerasimenko 47 Atlantis undocks 47 parahydrogen 47 GOCE 47 Soyuz TMA spacecraft 47 Shenzhou VI capsule 47 Hubble gyroscopes 47 shepherding spacecraft 47 ASTRA 3B 47 elongated orbits 47 JCSAT 9 47 GPS 2R 47 Rosetta orbiter 47 Vega launcher 47 Sojourner rover 47 orbital altitudes 47 WISE spacecraft 47 planet magnetosphere 47 Jupiter Ganymede 47 Vehicle ATV 47 lander 47 BepiColombo 47 deg 47 radiosonde 47 DMSP F# 47 Helios 2B 47 geyser plumes 47 GLONASS satellites 47 PSLV rocket 47 SMOS 47 rover 46 flyby spacecraft 46 indigenous cryogenic engine 46 magnetotail 46 MetOp satellite 46 interplanetary spacecraft 46 plasmasphere 46 NASA EPOXI mission 46 speedometer tachometer 46 ATV Johannes Kepler 46 Anik F3 46 Earth ionosphere 46 kg payload 46 Yinghuo 1 46 Pirs airlock 46 ballistic trajectories 46 SIRTF 46 auroral activity 46 propulsion subsystem 46 parafoil 46 NASA Stardust spacecraft 46 Nikolai Budarin 46 CDR SO 46 Mikhail Tyurin 46 ramjet 46 arcminutes 46 LISA Pathfinder 46 Glonass satellites 46 heliospheric 46 drogue chute 46 SARJ 46 thermal shrouds 46 Shepherding Spacecraft 46 LSAM 46 DART spacecraft 46 orbiter Mars Odyssey 46 Galileo spacecraft 46 acceleration deceleration 46 Solid Rocket Boosters 46 runway centerline 46 Soyuz TMA-#/#S 46 rocket nozzle 46 NFIRE satellite 46 angular velocity 46 wavefronts 46 Taurus XL 46 scatterometer 46 Cygnus spacecraft 46 Launch Pad #B 46 OBSS 46 vernier 46 geostationary 46 steerable beam 46 XTAR EUR 46 INSAT satellites 46 moon Io 46 Orbital Express 46 Undocking 46 asteroid Steins 46 Clementine spacecraft 46 PSLV C8 46 nmi 46 HEO payload 46 Zenit 3SL 46 INSAT 4B 46 propellant tanks 46 geo stationary satellites 46 Intelsat IS 46 orbiting telescope 46 circumlunar 46 Arabsat 5A 46 shuttle orbiter 46 autonomous rendezvous 46 cosmic ray flux 46 probe Huygens 46 indigenous cryogenic 46 Russian crewmate Salizhan 46 cm sec 46 coolant loops 46 φ 46 Proba 2 46 orbiting remnant 46 Shenzhou spacecraft 46 Altair lunar lander 46 yaw angle 46 backshell 46 Orion LAS 46 commander Pam Melroy 46 GSLV Mk III 46 Russian cosmonaut Alexander Kaleri 46 lunar landers 46 Divine Vessel 46 Automated Transfer Vehicle 46 hypergolic 46 Eutelsat KA SAT 46 Shackleton crater 46 tropospheric 46 SSMEs 46 Shuttle docks 45 torque sensing 45 Sputnik beeped 45 unpowered 45 magnetic dipole 45 S#/S# truss 45 Pilot George Zamka 45 orbital module 45 Highly Adaptable Satellite 45 #kt #km h 45 magnetic polarity 45 superheated gases surrounding 45 Martian lander 45 manned Shenzhou 45 orbiting Hubble Space Telescope 45 orbiter robotic arm 45 shuttle aft compartment 45 shuttle thrusters 45 electromagnetic flux 45 payloads 45 Giove B 45 Rassvet module 45 stationary lander 45 comet #P/Churyumov-Gerasimenko 45 Atlantis robotic arm 45 magnetopause 45 payload fairing 45 ephemeris 45 NAVSTAR Global Positioning System 45 Deep Impact craft 45 Shuttle Endeavour undocks 45 hydrazine tank 45 orbit GEO 45 TDRS K 45 orbit GTO 45 Earth magnetosphere 45 remanent 45 GSLV F# 45 airspeeds 45 VIIRS 45 ionospheric 45 Alexander Samokutyayev 45 throttle levers 45 Soyuz 45 RPCM 45 Valery Lyndin spokesman 45 AHRS 45 martian atmosphere 45 fried circuit breaker 45 uncrewed 45 kinetic warhead 45 localiser 45 Mars Color Imager 45 planets orbits 45 Shenzhou VII 45 submillimeter wavelength 45 resonance frequency 45 ecliptic plane 45 SSETI Express 45 spacecraft thrusters 45 Lyndin 45 manned spaceships 45 autofocus sensor 45 comet orbital 45 bone jarring descent 45 Huygens lander 45 gravitational tugs 45 laser altimeter 45 Shenzhou V spacecraft 45 NOAA GOES 45 RISAT 45 detect gravitational waves 45 polar orbiting 45 lunar orbiter Chang'e 45 undocks 45 MetOp 45 Oceansat 45 thrust oscillation 45 Lagrangian 45 meteoritic material 45 commander Sergei Volkov 45 KSLV 1 45 polarimetric 45 Atlas Centaur 45 Z1 truss 45 extravehicular 45 radar altimeter 45 Descent Module 45 Soyuz spacecraft docked 45 Rosetta spacecraft 45 station Quest airlock 45 NanoSail D 45 Cartosat 2A 45 GSLV D3 rocket 45 libration 45 docking adapter 45 magnetospheric 45 external stowage 45 Shuttle Discovery blasts 45 synthetic aperture 45 albedo reflectivity 45 asteroid orbit 45 Crawler Transporter 45 ASTRA 1KR 45 Fomalhaut b 45 Insat 2E 45 orbit insertion 45 Crab pulsar 45 rotational velocity 45 polar orbits 45 SSRMS 45 manned lunar missions 45 navigate autonomously 45 GSLV rockets 45 NASA THEMIS 45 EPOXI spacecraft 45 ballistic descent 45 Glonass K 45 LEO satellites 45 shuttle Discovery STS 45 card Tani radioed 45 perihelion 45 magnetic dynamo 45 MPLM 45 ultraprecise 45 oscillator frequency 45 pinion angle 45 Yuri Malenchenko 45 oscillation frequency 45 unstowed 45 Fotino 45 satellites orbiting Earth 44 Earth orbiting satellites 44 ICC VLD 44 astronauts Jing Haipeng 44 gravitational interaction 44 MIRV warheads 44 Saturnian 44 substorm 44 1ns 44 arcsec 44 docking compartment 44 orbiter Cassini 44 infrared ultraviolet 44 Orbiter 44 bi axial 44 feedline 44 Nasa spacecraft 44 Galileo satellites 44 geostationary orbits 44 payload fairings 44 ECO sensor 44 PSLV C 44 Insat 4A 44 thruster rockets 44 Breeze KM 44 S6 truss 44 geostationary orbital 44 RL# engine 44 robotic manipulator 44 mere fly bys 44 spaceflyers 44 Quest airlock 44 aerobraking 44 precess 44 Mars landers 44 MPCV 44 SSPTS 44 Soyuz #S 44 Salizhan Sharipov 44 cosmonaut Alexander Kaleri 44 USOS 44 orbited Jupiter 44 SJ #F 44 Mössbauer 44 periodic dimming 44 penumbral shadow 44 longitudinal axis 44 L5 signal 44 teleoperated 44 defective gyroscope 44 RSRMs 44 comet chaser 44 liquid crystal molecules 44 lowermost mantle 44 transiting exoplanet 44 #/#-hour spacewalk [001] 44 DC1 Docking Compartment 44 windblast 44 Comet Hartley 2 44 YES2 44 hypersonic glider 44 Galactic cosmic rays 44 thermodynamic equilibrium 44 FASTSAT 44 Volna rocket 44 unmanned spaceplane 44 Orbital Maneuvering System 44 circular orbits 44 ST5 44 TDRS 44 telescope orbits 44 comet Boethin 44 THAAD interceptor 44 Nicollier 44 PSLV C# rocket 44 Geosynchronous orbit 44 P Churyumov Gerasimenko 44 Cancri e 44 Progress #P 44 Earth Orbit LEO 44 Cassini spacecraft orbiting 44 scramjet engines 44 liquid propellants 44 lunar surface 44 SIRAL 44 interstage 44 Manned missions 44 SpaceX Dragon 44 photon flux 44 harmonic vibrations 44 engineer Oleg Kotov 44 slender crescent 44 copper impactor 44 ARISSat 44 lunar orbit insertion 44 ASTRA 2C 44 AEHF satellite 44 XTAR EUR satellite 44 Helios 2A 44 poleward 44 astronauts Robert Curbeam 44 3km h 44 protruding strips 44 groundspeed 44 dexterous robot 44 rotates clockwise 44 Cassini 44 toxic hydrazine 44 impactor spacecraft 44 veteran spaceflyer 44 Hispasat 1E 44 aboard SpaceX Falcon 44 SRBs 44 Valery Tokarev 44 Compton Gamma Ray 44 S#/S# truss segment 44 heatshield 44 PSLV C9 44 Crewmate Tracy Caldwell 44 #:# GMT 44 Phobos Grunt 44 planetary orbits 44 z axis 44 NASAs 44 exhaust plume 44 nanosatellite 44 commander Leroy Chiao 44 m/s2 44 Comet Halley 44 Resourcesat 2 44 longwave radiation 44 Oceansat 2 44 aboard Taurus XL 44 Flight Engineer Suni 44 ISS 44 mV V 44 Shuttle Discovery docks 44 Cassini Huygens spacecraft 44 prelaunch preparations 44 humanoid robot bound 44 silver colored astrovan 44 Insat 3A 44 Orbiter MRO 44 X ray telescopes 44 ATV Jules Verne 44 safing 44 Odyssey orbiter 44 lbf thrust 44 Progress resupply 44 ASTRA 1L 44 exoatmospheric kill vehicle 44 subsonic speeds 44 NASA Orbiting Carbon 44 #μs [002] 44 tach needle 44 shielding tiles 44 EVAs 44 INSAT 4C 44 Corot 9b 44 W2A satellite 44 parachute deploys 44 engineer Yury Lonchakov 44 earth orbiting satellites 44 diurnal cycle 44 fairing separation 44 Martian rovers 44 liftoff dooming 43 tiny meteoroid 43 hypersonic scramjet 43 PSLV C# 43 stellar occultation 43 unmanned Progress 43 asteroid flyby 43 Jupiter Icy Moons 43 orbiting ISS 43 odometry 43 Elenin 43 Chodas 43 Mirelson 43 multispectral imager 43 Anik F1R 43 S6 truss segment 43 ammonia coolant tank 43 Spacecraft Control 43 Aqua satellite 43 Shenzhou VI spacecraft 43 solar radii 43 mooncraft 43 exoplanetary 43 Taepondong 2 43 SpaceLoft 43 lunar spacecraft Chandrayaan 43 Alexey Sitev 43 GE CF6 engines 43 rearwards 43 Stardust NExT mission 43 Infrared Pathfinder Satellite 43 swingby 43 engineer Oleg Kononenko 43 Optical Spectroscopic 43 orbiting observatories 43 Glonass M 43 Earthward 43 duration spaceflights 43 MARSIS radar 43 astrometric 43 Ariane launcher 43 milliarcseconds 43 repressurization 43 STSS satellites 43 Commander Charlie Hobaugh 43 meter diametre 43 GPS IIR 43 Doppler shifts 43 exo atmospheric 43 compass headings 43 compass needle 43 Orion Ares 43 Early Ammonia Servicer 43 budging Wheelock told 43 SSRMS Space Station 43 Briz M booster 43 Discovery STS 43 orbital radius 43 oscillation amplitude 43 2dB 43 Nasa Mars Odyssey 43 photometer 43 Huygens descent 43 #mph #kph [001] 43 liquid propellant 43 H IIB 43 gyroscopes 43 temperature gradients 43 Satellite Launch Vehicle GSLV 43 enters lunar orbit 43 Dyna Soar 43 wavefront distortion 43 TerraSAR X satellite 43 arcmin 43 Gedmark 43 engineer Salizhan Sharipov 43 supersonically 43 HTV2 43 wheeled rover 43 galactic disk 43 OMS pod 43 Substorms 43 airbag inflates 43 robotic rovers 43 LEOP 43 ExoMars rover 43 VASIMR 43 velocity dispersion 43 Malaysian Sheikh Muszaphar 43 Grammier 43 satelites 43 float weightlessly 43 hypothalamic pituitary gonadal HPG 43 storable propellants 43 Shuttle Discovery arrives 43 propulsion 43 Glonass navigation satellites 43 starboard SARJ 43 CBERS 2B 43 gradeability 43 Proba 43 unmanned spacecraft 43 waxing gibbous moon 43 closest flyby 43 indigenously developed cryogenic 43 Proton Breeze M 43 idler arm 43 APXS 43 orbital resonance 43 Epsilon Eridani 43 GLONASS signals 43 Flyby spacecraft 43 speed powershift 43 Kazakhstan Baikonur Cosmodrome 43 Ocean Salinity 43 orbiting gamma ray 43 Hipparcos 43 Russian Salizhan Sharipov 43 venerable Soyuz rocket 43 propeller shafts 43 bargraph 43 lunar regolith 43 Soyuz capsule 43 powerpack 43 Jules Verne Automated Transfer 43 gamma ray flares 43 Relations Observatory STEREO 43 Lunar Roving Vehicle 43 asteroid Eros 43 SRMS 43 S1 truss 43 Geminga 43 coronal loops 43 RISAT 2 43 polar vortex 43 Synthetic Aperture Radar 43 NASA MESSENGER spacecraft 43 Kibo JPM JEM Pressurized 43 steering thrusters 43 capacitive coupling 43 SpaceLoft XL rocket 43 backscattered 43 Rockot 43 P#/P# [002] 43 Solar TErrestrial RElations Observatory 43 manoeuverability 43 ATV Automated Transfer 43 shuttlecock shaped capsule 43 STORRM 43 Lunar Module 43 martian surface 43 SPHERES 43 Atlantis payload bay 43 chief Vladimir Solovyov 43 parabolic trajectory 43 deorbited 43 LightSail 43 Pegasus XL 43 CryoSat satellite 43 QuVIS servers 43 Martian moons Phobos 43 Space ENvironment GEochemistry 43 FE3 43 Harmony Node 43 ROCSAT 2 43 External Stowage Platform 43 spinning gyroscopes 43 aboard ESA Envisat 43 Jupiter magnetosphere 43 Climate Orbiter 43 detent 43 Minotaur rocket 43 SBSS Block 43 Lunar Orbit 43 Dual Payload Attach Fitting 43 Huygens Probe 43 Galileo constellation 43 Cloud Aerosol Lidar 43 epicyclic 43 glideslope 43 orbiters 43 accelerative 43 Harmony node 43 adventure Chamitoff radioed 43 Roddenberrys remains 43 extravehicular activities 43 microgravity environment 43 coronagraph 43 inertially 43 collapsible steering column 43 Specialist Greg Chamitoff 43 Metop 43 Express orbiter 43 6nm 43 Thrusters 43 spacecraft orbiting 43 Geo synchronous 43 Carl Marchetto 43 specially instrumented 43 tidal bulge 43 sextile 43 Pete Theisinger 43 SBIRS HEO 43 supersonic cruise 43 exosphere 43 Shuttle Endeavour docks 43 sodium atoms 43 Lunar CRater Observation 43 Cosmonaut Yuri Gagarin 43 DSCS satellites 42 NPOESS Preparatory Project 42 millimeter wavelength 42 INSAT 3D 42 Psychological profiling 42 Molniya 42 Budarin 42 Lunokhod 42 orbital slot 42 Permanent Multipurpose Module 42 Advanced EHF satellite 42 Titan flybys 42 Control Moment Gyroscope 42 coastal Naro 42 Shenzhou spaceships 42 magnetisation 42 stepless 42 monotonically 42 A# spacecraft 42 panchromatic camera 42 NROL 42 irregularly shaped asteroid 42 STPSat 42 Ranging spacecraft 42 yaw damper 42 Fisheye Optic 42 ms -1 42 Eurockot 42 NASA Odyssey orbiter 42 MESSENGER spacecraft 42 asteroid Itokawa 42 Stardust spacecraft 42 turbopump 42 RRATs 42 TacSat 42 Spacehab module 42 Extra Vehicular Activity 42 endo atmospheric 42 Ariane launchers 42 frictional resistance 42 GIOVE B 42 Hubble Space Telescope HST 42 Shallow Subsurface Radar 42 hPa 42 backrest angle 42 TanDEM X 42 concentrating photovoltaics CPV 42 Sinosat 42 Solar Dynamics Observatory 42 coronal magnetic field 42 fluid viscosity 42 entered lunar orbit 42 earthwards 42 WFPC2 42 Mars moon Phobos 42 pusher propeller 42 Spacecraft Operations 42 Doppler shift 42 Navias 42 relativistic speeds 42 THEMIS satellites 42 cryogenically cooled 42 launchpad #A 42 comet nucleus 42 ESOC 42 breakover 42 arcseconds 42 galactic cosmic rays 42 Autosub# 42 Jupiter flyby 42 geo synchronous satellite 42 radiometer 42 spacewalk 42 Ares IX rocket 42 Moderate Resolution Imaging 42 km perigee 42 magnetic spectrometer 42 Kondratyev 42 S'ly 42 μs 42 dipole moment 42 breathing scramjet engine 42 stowage platform 42 astronaut Zhai Zhigang 42 2nm 42 pressurized module 42 INSAT 3A 42 reentries 42 ESA ERS 42 dispersion tolerance 42 Upsilon Andromedae b 42 Russian Orlan spacesuits 42 #C #F [003] 42 Polar Lander 42 Deep Impact comet 42 CHIPSat 42 Yuri Lonchakov 42 Skripochka 42 comet flyby 42 Planck telescope 42 Orbiting 42 Shuttle Endeavor 42 Michelson interferometer 42 Mars Orbiter 42 meteoroid 42 ASTRA 5A 42 radial velocity 42 engineer Yuri Malenchenko 42 capsule parachutes 42 Remote Manipulator System 42 interstellar particles 42 Mars Odyssey spacecraft 42 oceangoing rocket 42 Intercontinental Ballistic Missiles ICBMs 42 dipolar 42 O. Hobaugh 42 occultations 42 orbital mechanics 42 simulate weightlessness 42 LADEE 42 cryogenic propellant 42 aft compartment 42 3rd SOPS 42 Lunar Prospector 42 magnetic flux 42 #P/Churyumov-Gerasimenko 42 millivolt 42 Canadian Julie Payette 42 GLONASS navigation 42 functioning gyroscopes 42 TappingMode 42 gimbals 42 lunar orbiters 42 Commander Dmitry Kondratyev 42 intercept ballistic missiles 42 Mandushev 42 Earth thermosphere 42 Circinus X 1