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(Click for frequent words.) 64 orbital insertion 61 orbital rendezvous 60 aerobraking 60 New Horizons spacecraft 60 LEOP 59 lunar orbit insertion 59 spacecraft 59 Titan flyby 59 reboost 58 deorbit 58 flyby spacecraft 58 orbiting observatory 58 GPS IIF 58 flyby 58 ESA Huygens probe 58 Comet Hartley 2 58 orbital maneuvers 57 NASA MESSENGER spacecraft 57 propellant loading 57 lunar orbit 57 ion propulsion 57 Hayabusa probe 57 Rosetta spacecraft 57 deorbit burn 57 Shenzhou VII mission 57 NASA Stardust spacecraft 57 IBEX spacecraft 56 Huygens mission 56 probe Chang'e 56 deorbiting 56 asteroid Steins 56 Jules Verne ATV 56 Chang'eI 56 orbit 56 perilune 56 Comet #P/Churyumov-Gerasimenko 55 closest flyby 55 spacecraft Chandrayaan 1 55 Cassini Huygens spacecraft 55 Orbiter MRO 55 Mars Reconnaissance Orbiter MRO 55 Ares IX rocket 55 Comet Churyumov Gerasimenko 55 comet chaser 55 Churyumov Gerasimenko 55 Titan flybys 55 Orbital Express 55 ESA Rosetta 55 GIOVE B 55 Atlantis STS 55 NASA EPOXI mission 55 Flyby spacecraft 55 Cassini Huygens 55 Undocking 55 Hubble Space Telescope HST 55 Nasa spacecraft 55 planetary Transits 54 Horizons spacecraft 54 commander Charlie Hobaugh 54 shuttle Discovery STS 54 Mars Opportunity rover 54 Martian orbit 54 comet flyby 54 comet #P/Churyumov-Gerasimenko 54 STORRM 54 SBSS satellite 54 swingby 54 orbital velocity 54 Stardust capsule 54 Ranging spacecraft 54 SBIRS GEO 54 Launch Abort System 54 Atlas 2AS 54 spacecraft Cassini 54 LADEE 53 GOCE 53 PSLV C 53 fairing separation 53 robotic spacecraft 53 flybys 53 ESOC 53 Comet Hartley 53 waning gibbous 53 thruster 53 SIRTF 53 atmospheric reentry 53 Shuttle Atlantis blasts 53 drogue parachute 53 orbiter 53 Shuttle Endeavor 53 Discovery STS 53 ATV Johannes Kepler 53 P Churyumov Gerasimenko 53 SMOS 53 asteroid Itokawa 53 preset orbit 53 Mercury flyby 53 spacecraft orbited 53 Jupiter Icy Moons 53 Minotaur rocket 52 robotic explorer 52 MARSIS radar 52 dexterous robot 52 Nasa Mars Odyssey 52 Mars Pathfinder lander 52 Lyndin 52 slender crescent 52 retrorockets 52 Lunar Reconnaissance Orbiter LRO 52 Foton spacecraft 52 Messenger spacecraft 52 lunar module Eagle 52 Solar Dynamics Observatory 52 GPS 2R 52 PSLV C9 52 LISA Pathfinder 52 shuttle Endeavour STS 52 #P/Churyumov-Gerasimenko 52 GSLV D3 rocket 52 circular orbit 52 maneuvering thrusters 52 Commander Rick Sturckow 52 orbiting 52 BepiColombo mission 52 Stardust spacecraft 52 Orbiter LRO 52 ESA SMART 52 Pegasus XL 52 interplanetary missions 52 celestial observations 52 mission Chandrayaan 52 DART spacecraft 52 Commander Dominic Gorie 52 shepherding spacecraft 52 NASA STEREO 52 Foton M2 52 Curiosity rover 52 comet Churyumov Gerasimenko 52 Hubble Space telescope 52 comet Hartley 2 52 Atlantis rocketed 52 KAGUYA 52 Sensing Satellite LCROSS 52 Hayabusa spacecraft 51 navigate autonomously 51 PSLV C6 51 hydrazine thrusters 51 Mars Odyssey spacecraft 51 THEMIS Images 51 Commander George Zamka 51 orbits 51 occultations 51 SSMEs 51 thruster firings 51 Orion LAS 51 EPOCh 51 enters lunar orbit 51 Cargo Launch Vehicle 51 Hubble orbits 51 orbital 51 manager Gerhard Schwehm 51 manned lunar landing 51 ESA Huygens 51 NextSat 51 Solid Rocket Boosters 51 thrusters 51 Atlas IIAS 51 CryoSat satellite 51 flyby Cassini 51 orbiting gamma ray 51 BepiColombo 51 MErcury Surface Space ENvironment 51 NuSTAR 51 Huygens descent 51 Shenzhou IV 51 Liquid Apogee Motor 51 Discovery undocked 51 geo synchronous transfer 51 SpaceLoft XL 51 orbiting observatories 51 Helios 2B 51 PSLV C# 51 TanDEM X 51 asteroid Vesta 51 chief Vladimir Solovyov 51 Space Shuttle STS 51 NASA LCROSS 51 MetOp 51 NASA Lunar Crater 51 Rosetta comet chaser 51 Mars orbiter 51 WISE telescope 51 Hubble Servicing 51 Enceladus flyby 51 Galileo spacecraft 51 Pad Abort 1 51 Hubble 50 NROL 50 Phobos Grunt 50 Krimigis 50 Saturn Cassini 50 Dyna Soar 50 NASA Lunar Prospector 50 Gerhard Schwehm 50 Fregat upper stage 50 suborbital trajectory 50 Ulysses spacecraft 50 Philae lander 50 NanoSail D 50 Atlantis undocks 50 GSLV rockets 50 rocket thrusters 50 DC1 Docking Compartment 50 NASA Cassini spacecraft 50 countdown dress rehearsal 50 Global Surveyor 50 Rosetta orbiter 50 Commander Eileen 50 undocks 50 Soyuz spacecraft docked 50 Dominic Gorie 50 Shenzhou V 50 LORRI 50 Commander Pam Melroy 50 Rendezvous Pitch Maneuver 50 director Chuck Dovale 50 Sputnik beeped 50 Commander Charlie Hobaugh 50 ESA ASI 50 unstowed 50 lunar orbiter Chandrayaan 50 Jupiter flyby 50 William Readdy NASA 50 Lunokhod 50 Foton M3 50 Readiness Review 50 Ares IX 50 astronauts Scott Parazynski 50 Kepler spacecraft 50 Stardust NExT mission 50 MESSENGER spacecraft 50 hypersonic speeds 50 HEO payload 50 lunar explorer 50 highly elliptical orbit 50 Orbiter 50 waxing gibbous 50 Opportunity rovers 50 #/#-hour spacewalk [001] 50 SIM PlanetQuest 50 shuttle Endeavor 50 ballistic trajectory 50 Pirs module 50 spacecraft orbiting 50 NASA rover Spirit 50 Gravity Probe B 50 AJ# engine 50 electric ion propulsion 50 Stardust NExT 50 Cryosat 50 ESA GOCE 50 STPSat 50 Mössbauer 50 SSRMS Space Station 50 commander Zhai Zhigang 50 Express orbiter 50 gamma ray observatory 50 orbiting telescope 50 Servicing Mission 50 geosynchronous 49 star IM Pegasi 49 rover Spirit 49 equatorial orbit 49 NASA THEMIS 49 PASADENA Calif. NASA 49 Andrea Accomazzo 49 Deep Impact mission 49 six wheeled rover 49 GPS IIR M 49 parachutes malfunctioned 49 supersonic combustion 49 Fuk Li Mars 49 KSC Shuttle 49 irregularly shaped asteroid 49 Space Shuttle Endeavor 49 SSPTS 49 geo stationary orbit 49 Endeavour STS 49 Ultraviolet Imaging Spectrograph UVIS 49 Deep Impact comet 49 WISE spacecraft 49 TCDT 49 Oefelein piloted 49 aboard Taurus XL 49 planetary missions 49 ELM PS 49 Endeavour undocks 49 Kazakhstan Baikonur Cosmodrome 49 duration spaceflights 49 orbited Jupiter 49 super perigee moon 49 MARSIS 49 rover Opportunity 49 Earth swingby 49 Comet Machholz 49 Kepler Mission 49 extravehicular activities 49 unmanned lunar 49 Cassini 49 hypersonic scramjet 49 Shuttle Endeavour blasts 49 GEochemistry 49 geosynchronous satellite launch 49 spaceflyers 49 spacesuit malfunction forced 49 Space Infrared Telescope 49 Comet Tempel 1 49 Saturnian moon Titan 49 ESA ERS 49 Pilot George Zamka 49 weather satellite TIROS 49 STEREO spacecraft 49 crewed spacecraft 49 CryoSat mission 49 orbiter robotic arm 49 hypersonic flight 49 MESSENGER 49 Atlantis robotic arm 49 manned Shenzhou 49 Planck satellite 49 exoplanet hunter 49 Giove B 49 NASA Ares IX 49 Mars Pathfinder 49 ESA SMOS 49 GSAT 5P 49 Ngo Anh 49 MetOp satellite 49 circumlunar 49 commander Pam Melroy 49 DMSP F# 49 Jules Verne Automated Transfer 49 Spacecraft Operations 49 SOHO spacecraft 49 Far Ultraviolet Spectroscopic Explorer 49 GOES O 49 Kepler Space Telescope 49 fiery reentry 49 Cassini Equinox 49 perihelion 49 steering thrusters 49 Huygens Probe 49 Akatsuki engines 49 infrared spectrograph 49 astronaut Randy Bresnik 49 Jet Propulsion Laboratory JPL 49 Shuttle Atlantis undocked 49 Ranging MESSENGER spacecraft 49 YES2 49 Earth orbiting satellites 49 JAXA 49 stellar occultation 49 Centaur rocket 49 ray Space Telescope 49 orbit GEO 49 mission Chandrayan 49 propulsion subsystem 49 Shenzhou V spacecraft 49 Discovery undocking 49 XMM Newton 49 orbiter Cassini 49 amateur skywatchers 49 Relations Observatory STEREO 48 EPOXI spacecraft 48 Grammier 48 Soyuz docked 48 Rick Grammier 48 ISS robotic arm 48 NFIRE satellite 48 PSLV C7 48 Chandrayan 48 Skripochka 48 NASAs 48 Hubble Space Telescope 48 NASA MESSENGER 48 Martian lander 48 Voyager spacecraft 48 CALIPSO 48 Huygens lander 48 lunar perigee 48 NPOESS Preparatory Project 48 Launch Pad #B 48 Aerojet propulsion 48 Chairman K. Radhakrishnan 48 Orbiter Processing Facility OPF 48 asteroid Lutetia 48 THEMIS satellites 48 GRB #B 48 Deep Impact eXtended Investigation 48 lunar probe Chang'e 48 lunar spacecraft Chandrayaan 48 VIIRS 48 hydrazine fuel 48 lunar orbiter Chang'e 48 ExoMars rover 48 unmanned Progress 48 #P/Holmes 48 Characterization EPOCh 48 Pirs docking compartment 48 NASA twin rovers 48 NAVSTAR Global Positioning System 48 spaceship Soyuz TMA 48 comet Wirtanen 48 Roman Romanenko 48 Human Spaceflight Microgravity 48 airborne observatory 48 NFIRE 48 GOCE satellite 48 entered lunar orbit 48 thruster rockets 48 Sojourner rover 48 spacewalker Scott Parazynski 48 comet Boethin 48 Baikonour Cosmodrome 48 Hubble servicing 48 Viking landers 48 Investigation DIXI 48 Cosmodrome 48 GSLV D3 48 windshield wiper maneuver 48 Reconnaissance Orbiter 48 shuttle Discovery blasted 48 Cassini Huygens Mission 48 Atlantis Undocks From 48 Space Telescope GLAST 48 ESA Herschel 48 Eagle lunar lander 48 Russian cosmonaut Alexander Kaleri 48 BepiColombo joint 48 spacewalk Lopez Alegria 48 Earth asteroid Itokawa 48 Huygens probe 48 Rick Linnehan 48 starboard SARJ 48 Sun synchronous orbit 48 detect gravitational waves 48 spacefarers 48 LCROSS spacecraft 48 Progress resupply 48 Taurus XL 48 Terrestrial Planet Finder 48 Mars landers 48 thin crescent 48 unplanned spacewalk 48 Planetary Transits 48 STIS 48 indigenous cryogenic stage 48 Cassini flyby 48 Antenna LISA 48 gravitational slingshot 48 MN4 48 NASA Jet Propulsion Laboratory 48 KSLV 1 48 retrograde orbit 48 Crawler Transporter 48 Enceladus flybys 48 NASA Kepler telescope 48 Galileo satellites 48 Shuttle Endeavour docks 48 NASA rover Opportunity 48 Space Shuttle Discovery 48 ISS reboost 48 NOAA GOES 47 Chandrayaan 47 Mercury flybys 47 Chairman G Madhavan 47 launch plume glowed 47 CHIPSat 47 STS #L 47 SpaceX Falcon 47 manned lunar missions 47 Apollo missions 47 GSLV F# 47 STSS Demo 47 Nasa Jet Propulsion 47 particle beam 47 JTAC declared 47 Convection Rotation 47 Launch Scrubbed 47 COROT 47 Nasa Deep Impact 47 highly elliptical orbits 47 comet nucleus 47 ship thermal shielding 47 Iridium satellites 47 PSLV rocket 47 Operational Evaluation 47 GLAST 47 GPS IIR 47 Joel Sitz 47 Mars Reconnaissance Orbiter 47 shuttle Discovery undocked 47 KA SAT satellite 47 Oceansat 47 GPS IIIA 47 Mercury exosphere 47 shuttle thrusters 47 probe Huygens 47 TerraSAR X satellite 47 Deep Impact craft 47 Saturn moon Mimas 47 Insat 4CR 47 undocking 47 unpiloted 47 Epoxi 47 astronaut Andrew Feustel 47 CALIPSO satellites 47 Insat 4C 47 OBSS 47 SpaceX Falcon 9 47 Flight Readiness 47 Jupiter Uranus 47 prelaunch preparations 47 twin rover Opportunity 47 geosynchronous satellite 47 commander Dominic Gorie 47 ISS crewmembers 47 commander Leroy Chiao 47 Stephanie Stilson NASA 47 NEAR Shoemaker 47 instrument calibrations 47 retroreflector 47 adventure Chamitoff radioed 47 Jean Pierre Lebreton ESA 47 NASA 47 lander 47 Itokawa 47 Saturn equinox 47 Joel Sitz project 47 innermost planet 47 dimensional atlas 47 SuitSat 47 Allard Beutel 47 Caldwell Dyson 47 Manned missions 47 Huygens 47 Skynet 5C 47 impactor spacecraft 47 Stardust mothership 47 Glonass satellites 47 Infrared Pathfinder Satellite 47 RL# engine 47 Observatory SDO 47 scramjet 47 WISE mapped 47 HEO payloads 47 copper impactor 47 Mars rovers Opportunity 47 Discovery undocks 47 Charon Pluto 47 Shuttle Atlantis 47 Lunar CRater Observation 47 Discovery astronauts 47 commander Frederick Sturckow 47 APXS 47 INSAT 3D 47 hourlong descent 47 Pirs Docking Compartment 47 AEHF satellite 47 director Charles Elachi 47 Shenzhou VII 47 Shuttle Discovery blasts 47 reconnaissance orbiter 47 Astronaut Gregory Chamitoff 47 Earth magnetotail 47 Space Shuttle Atlantis 47 IKAROS 47 RXTE 47 JCTD 47 Shepherding Spacecraft 47 Mars Color Imager 47 Spacecraft Control 47 SARJ 47 orbital maneuvering 47 budging Wheelock told 47 NEOSSat 47 ATV Jules Verne 47 outer corona 47 spaceplane 47 SCISAT 47 Remote Manipulator System 47 specialists Scott Parazynski 47 pericentre 47 Big Bang collider 47 Comet Halley 47 Jupiter Icy Moons Orbiter 47 occultation 47 Fomalhaut b 47 interplanetary spacecraft 47 RSRMs 47 reentry capsule 47 Mars moon Phobos 47 ESA CryoSat 47 astronaut Eugene Cernan 47 shuttle disintegrated 47 moons orbiting Saturn 47 complex overhaul RCOH 47 director Derek Hassmann 46 gaseous planet 46 sextile 46 Fincke radioed 46 X #A scramjet 46 spokesman Michael Braukus 46 Dean Pesnell 46 Takao Doi 46 Budarin 46 Galaxy Evolution 46 JIMO 46 Solid Rocket 46 mooncraft 46 Zenit 3SL 46 robotic rover Spirit 46 airglow 46 ST5 46 space shuttle Discovery 46 Venus Climate Orbiter 46 Russian crewmate Yuri 46 NASA Spirit rover 46 Shenzhou VI spacecraft 46 GSLV rocket 46 flea hop 46 Cosmonaut Yuri Gagarin 46 gamma ray spectrometer 46 CDR SO 46 reionization 46 JWST 46 ion thruster 46 OCO satellite 46 bone jarring descent 46 De Winne 46 Steins asteroid 46 Solar TErrestrial RElations Observatory 46 manager Jennifer Trosper 46 geosynchronous orbit 46 VIRTIS 46 Shenzhou VI craft 46 Optical Spectroscopic 46 Jovian moons 46 Ed Weiler NASA 46 stellar occultations 46 hypergolic 46 lunar orbits 46 Shenzhou spacecraft 46 prograde 46 Orionids 46 Cassini spacecraft 46 LCROSS Lunar Crater Observation 46 Anik F3 46 NASA Wallops 46 Rick Grammier Deep Impact 46 autonomous aerial refueling 46 Globalstar satellites 46 astronaut Rex Walheim 46 orbiting Mars 46 SpaceX Dragon 46 aphelion 46 ASTRA 1L 46 perigee 46 exhaust plume 46 Gravity Probe 46 Delfi C3 46 TORU 46 VASIMR 46 orbiting Hubble Space Telescope 46 Canadian Julie Payette 46 DigitalGlobe WorldView 46 Gorie 46 orbiting Saturn 46 HB SIA 46 Soyuz FG 46 manager Pete Theisinger 46 Imaging Spectrometer 46 Main Engines SSMEs 46 astronaut Pam Melroy 46 Valery Lyndin spokesman 46 Comet Lulin 46 X #A WaveRider 46 martian soil 46 Review FRR 46 GSLV Mk III 46 Nikolai Budarin 46 Plesetsk Cosmodrome 46 Sojourner Rover 46 Y1A 46 planetary flybys 46 commander George Zamka 46 Opportunity rover 46 Brazilian Marcos Pontes 46 Shenzhou capsule 46 Explorer WISE 46 elliptical orbit 46 Carl Marchetto 46 Tanking Test 46 outer planets 46 von Weyhe 46 lander rover 46 Cygnus spacecraft 46 safing 46 DIRECTV 7S 46 Hayabusa 46 Orbiting Carbon Observatory OCO 46 Chodas 46 GLAST spacecraft 46 Astronaut Soichi Noguchi 46 Shenzhou VII spacecraft 46 orbiting spacecraft 46 HiRISE camera aboard 46 Interstellar Boundary Explorer 46 LRO LCROSS 46 SPICAM 46 Bob Curbeam 46 interstellar particles 46 STEREO mission 46 Kepler 9c 46 liftoff 46 twin rover Spirit 46 Dmitri Kondratyev 46 circularize 46 laser altimeter 46 Crewmate Tracy Caldwell 46 Impact Probe MIP 46 impactor 46 SpaceShip Two 46 Ocean Salinity SMOS 46 Cape Canaveral FL AHN 46 Solar Orbiter 46 velocity vector 46 ISS Expedition 46 WGS satellite 46 Laboratory MSL 46 Optus D3 46 Yinghuo 1 46 Mars rovers Spirit 46 twin STEREO spacecraft 46 CMGs 46 shuttle Discovery astronauts 46 mineralogical mapping 46 Comet 9P/Tempel 1 46 Airborne Laser Testbed 46 Recovery Experiment SRE 46 Deep Impact probe 46 Fregat 46 LCROSS 46 Block 5D 46 Comet Boethin 46 hunting Kepler telescope 46 Shuttle Discovery 46 Global Precipitation Measurement 46 parafoil 46 Heterodyne Instrument 46 Progress #P 46 ULA Atlas 46 Mirelson 46 entire Milstar constellation 46 George Zamka 46 spokesman Rob Navias 46 magnetic reconnection 46 visit http:/saturn.jpl.nasa.gov 46 GPS IIF satellite 46 MUOS satellite 46 xenon propellant 46 Ringed Planet 46 CryoSat 46 Ares Orion 46 Burst Alert 46 Eurockot 46 Rockot launch 45 spacecrafts 45 Hubble Space 45 veteran spaceflyer 45 Shenzhou manned 45 Spacewalkers Scott Parazynski 45 orbiter lander 45 director Rick LaBrode 45 elongated orbit 45 moon Phobos 45 OSTM Jason 2 45 DubaiSat 1 45 Hubble observations 45 Pamela Melroy 45 Vehicle ATV 45 Commander Sergei Volkov 45 robotic landers 45 #:# GMT 45 STP S# 45 Pirs Docking Compartment airlock 45 Quadrantid meteor shower 45 Flyby 45 GOES N 45 crawler transporter 45 onboard Chandrayaan 45 Commander Dmitry Kondratyev 45 WISE infrared 45 Skynet 5B 45 Leonid meteor showers 45 Predator drone flies 45 orbiters 45 Test TCDT 45 Heidemarie M. 45 ARRL AMSAT 45 NASA Space Shuttle 45 Baikonur Kazakhstan 45 Greenbelt Md. manages 45 INSAT 4CR 45 HTV2 45 Multi Object Spectrometer 45 spokesman Kiyotaka Yashiro 45 winged spacecraft 45 Infrared Astronomy SOFIA 45 Glonass navigation satellites 45 geostationary transfer 45 Planck spacecraft 45 Theisinger 45 H IIB 45 XMM Newton satellite 45 director Tony Ceccacci 45 geo synchronous 45 Vega launcher 45 Kazakhstan Baikonur cosmodrome 45 robotic rovers 45 gamma ray flares 45 Multi Purpose Crew 45 Canadarm2 robotic arm 45 Tempel Tuttle 45 scramjets 45 ILS Proton launch 45 EPOXI mission 45 C NOFS 45 Jean Pierre Lebreton Huygens 45 Orion spacecraft 45 3rd SOPS 45 undocked 45 Atlantis payload bay 45 LRO 45 X ray Telescope XRT 45 substorm 45 FASTSAT 45 G. Madhavan Nair 45 ROCSAT 2 45 unmanned spacecraft 45 astrometry 45 CloudSat radar 45 rovers Spirit 45 Andrey Borisenko 45 Centaur upper 45 Lunar Orbiter 45 comet Wild 45 Europa Orbiter 45 blastoff 45 ballistic descent 45 #/#-hour descent 45 Space Shuttle Program 45 Jenniskens 45 LRO spacecraft 45 manned Soyuz 45 orbital inclination 45 stationary lander 45 Eric Becklin 45 Hyper X 45 asteroid Eros 45 Interplanetary Kite craft 45 Mars orbiting spacecraft 45 Earth orbit 45 Multi Object Spectrograph 45 NASA ESA Hubble 45 O OREOS 45 Manned Spacecraft Center 45 ADM Aeolus 45 X ray pulses 45 STSS satellites 45 TacSat 45 Rain overcast sky 45 unmanned probes 45 SBIRS HEO 45 Dordain 45 spaceward 45 ICESat 45 STS 45 unmanned lunar orbiter 45 manned lunar mission 45 autonomous rendezvous 45 star Spica 45 chairman K. Radhakrishnan 45 Interior Laboratory GRAIL 45 P#/P# truss 45 moon Io 45 Lunar Prospector 45 Endeavour docked 45 radioisotope thermoelectric generator 45 NASA Voyager spacecraft 45 Reusable Solid Rocket 45 exoplanets planets 45 CAPE CANAVERAL Shuttle Discovery 45 Astronauts inspect 45 Shuttle astronauts 45 Merlin 1C 45 Dragon spacecraft 45 SARSAT 45 Charles Elachi director 45 Ocean Salinity 45 Entry Descent 45 Discovery liftoff 45 hardware Theisinger 45 scientist Bernard Foing 45 outermost planets 45 Resourcesat 2 45 External Tank 45 Geminga 45 Flight Engineer Suni 45 NASA countdown clocks 45 Stratospheric Observatory 45 NASA Stratospheric Observatory 45 Crew Launch Vehicle 45 sun synchronous orbit 45 postflight 45 Cartosat 2A 45 Alycia Weinberger 45 robotic lander 45 Mars Orbiter 45 spokesman Valery Lyndin 45 Mars Uranus 45 WMAP satellite 45 Shuttle undocks 45 Viking orbiters 45 Eyharts 45 Kepler observatory 45 Rover MER 45 ECO sensor 45 NASA WMAP 45 nitrogen tetroxide 45 orbital altitude 45 GOSAT 45 Uranus Jupiter 45 Shuttle Docks 45 supersonic combustion ramjet 45 X #As 45 lander Beagle 2 45 Telescope BAT 45 Shenzhou VI 45 waxing crescent 45 Shuttle Discovery undocks 45 Soyuz #S 45 infrared telescopes 45 Mercury retrograde 45 Endeavour thermal shielding 45 CARTOSAT 45 GA6 45 NASA Gamma ray 45 Commander Gennady Padalka 45 space shuttle undocked 45 orbited 45 International Space Station 45 Orbiters 45 lidar instrument 45 scramjet engine 45 uncrewed 45 Epsilon Aurigae 45 millisecond pulsar 45 coolant loops 45 midcourse phase 45 polar orbiting 45 X ray spectrometer 45 lunar landers 45 ILS Khrunichev 45 SINFONI 45 RQ# 45 NASA Stardust NExT 44 X ray observatory 44 director Holly Ridings 44 geosynchronous GEO 44 #/#-hour parachute 44 Lunar Module 44 Charles Elachi 44 Japanese Aerospace Exploration 44 UKIRT 44 Itokawa asteroid 44 asteroid flyby 44 Lunar Surface 44 propellant 44 ESMD 44 GRACE satellites 44 satellites orbiting Earth 44 spacewalks astronauts 44 AMSR E 44 satellite Kwangmyongsong 2 44 Heliophysics Division 44 performed flawlessly 44 Space Shuttle 44 Lieutenant Colonel Yang Liwei