Related by context. All words. (Click for frequent words.) 69 rocket thrusters 67 thruster 62 maneuvering thrusters 62 spacecraft 62 retrorockets 61 reboost 61 thruster firings 61 shuttle thrusters 59 SSMEs 59 orbital maneuvering 58 deorbit 58 thruster rockets 58 ion propulsion 58 ion thrusters 57 orbital altitude 57 Thrusters 56 propulsion 56 circularize 56 hydrazine thrusters 56 CMGs 55 thrust vector 55 electric ion propulsion 55 gyroscopes 55 bi propellant 54 ion thruster 54 RSRMs 54 orbiter 53 Ares IX rocket 53 Fregat upper stage 53 Lyndin 53 orbital velocity 53 orbit 53 Zvezda module 53 propellant 53 unstowed 53 hypergolic 52 retrorocket 52 Gyroscopes 52 ballistic trajectory 52 Elektron oxygen generator 52 spinning gyroscopes 52 nitrogen tetroxide 52 Mars Odyssey spacecraft 52 circular orbit 52 rocket boosters 52 lander 52 lunar orbit 52 booster rockets 52 orbital maneuvers 52 cryogenic engine 51 SARJ 51 orbital rendezvous 51 solid rocket boosters 51 Progress resupply 51 Solid Rocket Boosters 51 drogue parachute 51 hypersonic speeds 51 flyby spacecraft 51 orbit insertion 51 PSLV rocket 51 SPHERES 51 Jules Verne ATV 51 GSLV D3 51 spacecrafts 51 Martian orbit 51 Pirs module 51 bipropellant 51 rocket booster 50 Launch Abort System 50 suborbital trajectory 50 Automated Transfer Vehicle 50 Control Moment Gyroscopes 50 Soyuz 50 orbital insertion 50 turbopumps 50 Fregat 50 orbital 50 hydrazine fuel 50 steering thrusters 50 aerobraking 50 Pirs docking compartment 50 Soyuz capsule 50 parafoil 50 Pirs Docking Compartment 50 SRBs 50 Solid Rocket Booster 50 LVLH 50 propellant tanks 50 RL# engine 49 gyroscope 49 velocity vector 49 hourlong descent 49 Comet Churyumov Gerasimenko 49 Zenit 3SL 49 turbopump 49 coolant loops 49 deorbiting 49 Briz M 49 liquid propellant 49 Thruster 49 liquid apogee 48 DART spacecraft 48 rocket motors 48 Orbiter MRO 48 Mars Reconnaissance Orbiter MRO 48 spacewalkers 48 shepherding spacecraft 48 crewed spacecraft 48 gimbaled 48 Russian Elektron oxygen 48 IBEX spacecraft 48 Progress #P 48 unpowered 48 orbiting 48 DC1 Docking Compartment 48 Titan flyby 48 Russian Zvezda module 48 aft skirt 48 Pegasus XL 48 Orbital Maneuvering System 48 GSLV D3 rocket 48 lbf thrust 48 DMSP F# 48 Soyuz spacecraft docked 48 twin rover Spirit 48 payload fairing 48 throttle levers 48 Churyumov Gerasimenko 48 Nasa spacecraft 48 monomethyl hydrazine 48 impactor 48 AJ# engine 48 Glonass navigation satellites 48 atmospheric reentry 48 Shepherding Spacecraft 48 PSLV C# 48 robotic Canadarm 48 lunar orbiter Chandrayaan 48 deorbit burn 48 geo stationary orbit 47 Curiosity rover 47 GOCE 47 SpaceLoft XL rocket 47 Minotaur rocket 47 Foton spacecraft 47 engineer Oleg Kotov 47 stabilizing gyroscopes 47 ISS reboost 47 impactor spacecraft 47 PSLV C# rocket 47 oxidizer 47 Atlas Centaur 47 elongated orbit 47 Geo IK 47 Skripochka 47 Kibo robotic arm 47 Soyuz TMA-#/#S 47 gravitational slingshot 47 GSLV rocket 47 indigenous cryogenic engine 47 lunar module 47 ECO sensors 47 CDR SO 47 Breeze KM 47 Orbital Module 47 drogue chute 47 planet magnetosphere 47 ultraviolet imaging spectrograph 47 Kibo JPM JEM Pressurized 47 Mars Pathfinder lander 47 astronauts Gus Grissom 47 Commander Charlie Hobaugh 47 undocks 47 elliptical orbit 47 Poisk 47 RPCM 47 unpiloted 47 orbiter Cassini 47 shielding tiles 47 dexterous robot 47 P#/P# truss 47 commander Alexander Skvortsov 47 spokesman Valery Lyndin 47 unmanned Progress 47 Helios 2B 47 robotic arm 47 SpaceLoft XL 47 copper impactor 47 Orbiter 47 Russian cosmonaut Alexander Kaleri 47 probe Chang'e 47 comet Churyumov Gerasimenko 47 Orbiter Processing Facility OPF 47 deorbited 47 Kazakhstan Baikonur Cosmodrome 47 orbiting outpost orientation 47 Atlas V 47 Elektron oxygen generation 47 astronauts Robert Curbeam 47 Soyuz landings 47 planetary Transits 47 martian atmosphere 47 external stowage 47 aeroshell 47 Launch Pad #B 47 orbiting telescope 47 inertial guidance 47 highly elliptical orbit 46 NextSat 46 X ray telescope 46 unmanned spacecraft 46 MPLM 46 storable propellants 46 functioning gyroscopes 46 Global Surveyor 46 Shuttle Endeavor 46 Commander Dmitry Kondratyev 46 starboard truss 46 Plesetsk Cosmodrome 46 Philae lander 46 Space Telescope Imaging Spectrograph 46 elevons 46 unpressurized cargo 46 robotic rovers 46 mothership 46 Ares IX 46 ST5 46 microgravity environment 46 GSLV Mk III 46 Discovery STS 46 ramjet 46 spacecraft Chandrayaan 1 46 compressed nitrogen 46 scramjet engine 46 shuttle Discovery STS 46 perigee 46 lunar module Eagle 46 particle beam 46 geosynchronous satellite launch 46 propellant loading 46 LEOP 46 Skynet 5C 46 cryogenic engines 46 commander Leroy Chiao 46 Sun synchronous orbit 46 Pilot George Zamka 46 geosynchronous orbit 46 Orbital Express 46 Cassini orbiter 46 Merlin 1C 46 parahydrogen 46 indigenously developed cryogenic 46 Pad #B 46 polar orbit 46 robotic spacecraft 46 Phobos Grunt 46 chief Vladimir Solovyov 46 lithium hydroxide canisters 46 spacecraft thrusters 46 redock 46 probe Huygens 46 Crawler Transporter 46 commander Sergei Volkov 46 INSAT 4CR 46 Rockot launch 46 CALIPSO 46 orbiters 46 LCROSS spacecraft 46 spaceward 46 THEMIS spacecraft 46 Propulsion System 46 propellants 46 Spacehab module 46 motors 46 S#/S# truss 46 booster rocket 46 MRM2 46 Soyuz docked 46 ballistic descent 46 Alexey Sitev 46 payloads 46 module Zvezda 46 Globalstar satellites 46 Liquid Apogee Motor 46 X #A 46 SOHO spacecraft 46 station Pirs docking 46 Mars landers 46 Endeavour robotic arm 46 Taurus XL 46 GSAT 5P 46 solid propellant 46 orbits 46 GSLV F# 46 Poisk module 46 Mars rovers Spirit 46 Soyuz TMA spacecraft 46 indigenous cryogenic stage 46 KSLV 1 46 Soyuz FG 45 dexterous robots 45 coronagraph 45 Atlantis Undocks From 45 Stardust NExT mission 45 comet flyby 45 Suraev 45 GIOVE B 45 rocket nozzle 45 Bowersox Pettit 45 Stardust spacecraft 45 Cassini 45 orbiting spacecraft 45 scramjet engines 45 simulate weightlessness 45 drogue 45 Malenchenko 45 inertial measurement unit 45 Elektron O2 generator 45 Permanent Multipurpose Module PMM 45 Mars Reconnaissance Orbiter 45 Atlantis payload bay 45 Vehicle ATV 45 Canadarm2 robotic arm 45 geostationary orbit 45 orbiter Mars Odyssey 45 GPS IIF 45 MetOp 45 Hayabusa probe 45 undock 45 sun synchronous orbit 45 Shenzhou spacecraft 45 spaceplane 45 rotational axis 45 Systems NEX AIQ.H 45 Undocking 45 Japanese Pressurized Module 45 Orion spacecraft 45 spacesuits 45 repressurization 45 APXS 45 aboard Atlantis 45 Soyuz launcher 45 Crew Launch Vehicle 45 Launch Vehicle 45 Commander George Zamka 45 PkhO 45 Jupiter flyby 45 payload 45 perilune 45 GOES O 45 hydrazine propellant 45 Yurchikhin 45 SSPTS 45 ICC VLD 45 Mars Polar Lander 45 WISE spacecraft 45 NFIRE satellite 45 Glonass satellites 45 Eyharts 45 Wallops Island Va. 45 xenon propellant 45 rovers 45 ISS robotic arm 45 oxidiser 45 Mars orbiter 45 NASA MESSENGER spacecraft 45 kinetic warhead 45 J 2X 45 Earth orbiting satellites 45 asteroid flyby 45 Rosetta orbiter 45 TORU 45 MetOp satellite 45 Hubble gyroscopes 45 Sensing Satellite LCROSS 45 shuttle Endeavor 45 USOS 45 Cloud Aerosol Lidar 45 Infrared Pathfinder Satellite 45 heavier payloads 45 Rosetta spacecraft 45 Endeavour STS 45 four spinning gyroscopes 45 Valery Lyndin spokesman 45 RL#B 2 45 Lagrangian 45 Kaleri 45 FASTSAT 45 New Horizons spacecraft 45 pressurized module 45 Vega launcher 44 reentry capsule 44 cryogenic propellants 44 Tranquility module 44 MESSENGER spacecraft 44 Pirs airlock 44 Nasa Mars Odyssey 44 ATV Johannes Kepler 44 gaseous hydrogen 44 orbital module 44 Martian lander 44 W. Haise 44 Martian atmosphere 44 piggybacked Huygens probe 44 vectored thrust 44 photographing handrails antennas 44 PSLV C6 44 Ares IY 44 Zenit 3SL rocket 44 INSAT 4B 44 liquid propellants 44 float weightlessly 44 Rockot launcher 44 Foton M3 44 SSRMS 44 astronauts 44 Valery Lyndin 44 Space Shuttle Atlantis 44 LRO LCROSS 44 director Holly Ridings 44 J 2X engine 44 VASIMR 44 Jupiter Icy Moons 44 Spacewalkers Scott Parazynski 44 docking compartment 44 engineer Oleg Kononenko 44 Taurus XL rocket 44 retroreflector 44 cosmonaut Alexander Kaleri 44 Shuttle astronauts 44 interplanetary missions 44 RS #A 44 SIRTF 44 Galileo satellites 44 orbiting Hubble Space Telescope 44 Titan IVB 44 Akatsuki engines 44 Commander Rick Sturckow 44 Altair lunar lander 44 lander rover 44 solid propellants 44 rover 44 A#p laptop 44 lunar explorer 44 robotic explorer 44 GPS 2R 44 Insat 4B 44 undocking 44 heatshield 44 Glonass M 44 undocked 44 lunar landers 44 parachutes malfunctioned 44 orbiter robotic arm 44 Huygens lander 44 NASA twin rovers 44 Soyuz #S 44 Ariane 5G 44 Mars Opportunity rover 44 Main Engines SSME 44 Kononenko 44 coolant loop 44 Ariane 5 44 KURS 44 docking adapter 44 Kosmos 3M rocket 44 Kosmos 3M 44 PSLV C 44 Volna rocket 44 faulty gyroscope 44 orbiting observatory 44 Spacecraft Control 44 Titan 4B 44 servomotors 44 Highly Adaptable Satellite 44 Baikonur Kazakhstan 44 Martian rover 44 tumbleweed rover 44 Rosetta comet 44 Cryosat 44 spacewalks astronauts 44 Rotary Joint SARJ 44 Atlantis undocks 44 Yinghuo 1 44 Andrey Borisenko 44 spaceflyers 44 photometer 44 Soyuz spacecraft 44 CX OLEV 44 Discovery undocked 44 axis perpendicular 44 LISA Pathfinder 44 extravehicular 44 SDACS 44 Elektron 44 International Space Station 44 Kondratyev 44 rovers Spirit 44 Merlin 1C engines 44 torque limiter 44 ailerons 44 Interplanetary Kite craft 44 geo synchronous orbit 44 equatorial orbit 44 Discovery astronauts 44 spaceship 44 firing thrusters 44 vernier engines 44 Pad #A 44 CryoSat satellite 44 Solid Rocket 44 Dhanush missile 44 geosynchronous 44 preset orbit 44 CHIPSat 43 Russian cosmonaut Salizhan Sharipov 43 Centaur rocket 43 Observatory SDO 43 Yuri Lonchakov 43 exhaust plume 43 orbital inclination 43 hydraulic rams 43 shuttle orbiter 43 extravehicular activities 43 geo synchronous 43 radioisotope thermoelectric generator 43 Endeavour payload bay 43 nanosatellite 43 ATV Jules Verne 43 GUCP 43 comet #P/Churyumov-Gerasimenko 43 resistant tiles 43 Alexander Samokutyayev 43 Jet Propulsion Laboratory JPL 43 circular orbits 43 Microgravity Science Glovebox 43 Zvezda Service 43 fairing separation 43 Discovery thrusters 43 microgravity experiments 43 magnetic spectrometer 43 Cassini Huygens 43 Reusable Launch Vehicle 43 SSME 43 Voyager probes 43 Space Capsule 43 Glonass K 43 NASA Stardust spacecraft 43 pilot George Zamka 43 Phoenix Mars lander 43 Launch Scrubbed 43 THAAD interceptors 43 MARSIS radar 43 heat shield 43 ISS Expedition 43 polar orbiting satellites 43 Samokutyayev 43 Huygens mission 43 ammonia coolant tank 43 lunar orbits 43 Spirit Mars rover 43 Quest airlock module 43 FGB nadir port 43 superfluid helium 43 lunar spacecraft 43 orbiting observatories 43 geo synchronous transfer 43 cryogenic propellant 43 BZh 43 ADM Aeolus 43 Insat 4C 43 lunar spacecraft Chandrayaan 43 wheeled rovers 43 SSRMS Space Station 43 BITS2 43 asteroid Steins 43 S6 truss 43 Extra Vehicular Activity 43 Lunar CRater Observation 43 solar arrays 43 EKV 43 Ariane launcher 43 Soyuz TMA 43 ramjets 43 Comet #P/Churyumov-Gerasimenko 43 superheated gases surrounding 43 meltdown Atlantis thrusters 43 rocket nose cone 43 Permanent Multipurpose Module 43 undock safely 43 lunar lander 43 Centaur upper 43 geosynchronous transfer orbit 43 Characterization EPOCh 43 Kibo module 43 crewmates 43 commander Pam Melroy 43 PSLV C9 43 Huygens probe 43 scramjets 43 interplanetary spacecraft 43 bow thruster 43 Martian rovers 43 autothrottle 43 Kurs automated 43 Cartosat 2B 43 station Quest airlock 43 airfoils 43 cryogenic cooling 43 Dyna Soar 43 O OREOS 43 Weightless Wonder 43 LORRI 43 China homemade Feitian 43 propulsions 43 Thermal Emission Spectrometer 43 gaseous hydrogen leak 43 SBSS satellite 43 pumps ammonia coolant 43 SSETI Express 43 planets orbits 43 Control Moment Gyroscope 43 defective gyroscope 43 Shenzhou VI craft 43 Mars moon Phobos 43 Z1 truss 43 orbiting Mars 43 spacewalk 43 microscopic imager 43 turbojets 43 GSLV rockets 43 starboard SARJ 43 thrust vectoring 43 SpaceShip Two 43 backshell 43 NASA Lunar Crater 43 satellites orbiting Earth 43 NASA Kepler telescope 43 indigenous cryogenic 43 Electric Propulsion 43 Shuttle docks 43 scatterometer 43 Japan Kibo laboratory 43 Salizhan Sharipov 43 Rockot 43 MRM1 43 OBSS 43 apogee farthest point 43 Kurs 43 Russian cosmonauts 43 CubeSats 43 Lockheed Martin Waterton Canyon 43 Crewmate Tracy Caldwell 43 Endeavour astronauts 43 Ryschkewitsch 43 Deep Impact craft 43 planetary flybys 43 Oleg Kononenko 43 adventure Chamitoff radioed 43 station Zarya module 43 Optical Spectroscopic 43 reconnaissance orbiter 43 servos 43 EVAs 43 pilot Terry Virts 43 Orbiter LRO 43 crawler transporter 43 Kounotori2 43 RSRM 43 orbiter lander 43 ISS 43 Jovian moons 43 External Tank 43 NASA 43 Galileo spacecraft 43 cosmonaut Fyodor Yurchikhin 43 ULA Atlas 43 ESA Huygens probe 43 Russian crewmate Salizhan 43 Mossbauer spectrometer 43 High Resolution Imaging 43 superhot gases 43 NASA Cassini 43 prograde 43 MSG Microgravity Science Glovebox 43 malfunctioning rotary joint 43 Russian Orlan spacesuit 43 fried circuit breaker 43 Main Engine SSME 43 X ray Telescope XRT 42 Ocean Salinity SMOS 42 NASA Spirit rover 42 grueling spacewalks 42 Huygens Probe 42 commander Gennady Padalka 42 Roman Romanenko 42 airline S7 42 satellites 42 Shuttle Discovery docks 42 gimbal 42 Deep Impact probe 42 Baikonour Cosmodrome 42 HTV2 42 NASA rovers 42 stratospheric balloon 42 Soyuz TMA #M 42 gimbals 42 Lopota 42 experimental payloads 42 Padalka 42 stubborn bolt 42 Mars Odyssey 42 Russian cosmonaut Oleg Kotov 42 Lee Archambault 42 #/#-hour spacewalk [001] 42 SPDM 42 cryocoolers 42 polar orbiting 42 experienced spacemen 42 Foton M3 spacecraft 42 Sergey Volkov 42 shuttle underside 42 robotic lander 42 synchronous orbit 42 Spacesuits 42 Saturn Cassini 42 NASAs 42 unmanned Chandrayaan 42 windshield wiper maneuver 42 PSLV C7 42 Bulava missile 42 ExoMars rover 42 unmanned airships 42 stage Naro rocket 42 Soyuz undocking 42 S1 truss 42 robotic arm Canadarm2 42 spacewalking repairs 42 ion propulsion engines 42 commander Frederick Sturckow 42 Cape Canaveral FL AHN 42 INSAT 4C 42 Harmony Node 42 frequent woo hoos 42 NanoSail D 42 Daniel Tani hooked 42 scramjet 42 payload bay 42 GLAST spacecraft 42 helium atoms 42 manned spaceships 42 Payloads 42 Big Bang collider 42 Descent Module 42 meteorological satellites 42 spacecraft disintegrated 42 ESOC 42 Solar TErrestrial RElations Observatory 42 BepiColombo 42 enters lunar orbit 42 interstage 42 Proton Breeze M 42 geostationary 42 Russian Zarya module 42 crewmembers 42 actuators 42 S6 truss segment 42 External Stowage Platform 42 unstowing 42 detect gravitational waves 42 shuttle undocks 42 aft compartment 42 Mars Pathfinder 42 parabolic trajectory 42 THAAD interceptor 42 Mars Climate Orbiter 42 Heterodyne Instrument 42 Mars Orbiter 42 Chang'eI 42 Briz M booster 42 astronauts rewired 42 Molniya 42 fiery reentry 42 orbiter payload bay 42 radar altimeter 42 Spacewalks 42 Atlantis STS 42 uncrewed 42 #C #F [003] 42 gaseous nitrogen 42 X #As 42 Proba 2 42 Yarkovsky effect 42 NASA rover Spirit 42 ammonia flakes 42 malfunctioning toilet 42 hydraulic actuators 42 Cargo Launch Vehicle 42 Spacecraft 42 carry heavier payloads 42 spacecraft Cassini 42 Saturnian moon Titan 42 Cosmodrome 42 autopilot disengaged 42 exoatmospheric kill vehicle 42 GOCE satellite 42 Ion propulsion 42 hypervelocity 42 geosynchronous satellites 42 Huygens 42 Mikhail Tyurin 42 flyby 42 rudder 42 sonde 42 Ariane rocket 42 Oceansat 2 42 Space shuttle Atlantis 42 superheat 42 Viking landers 42 Japanese Kibo lab 42 Opportunity rovers 42 Reusable Solid Rocket 42 Soyuz capsules 42 alpha particle X ray 42 polar orbits 42 midcourse phase 42 closest flyby 42 ISS crewmembers 42 spacemen Timothy Kopra 42 liftoff 42 comet chaser 42 P6 4B 42 astronauts Scott Parazynski 42 Dragon capsule 42 xenon ions 42 Earth orbit 42 #/#-hour descent 42 Mars Color Imager 42 Canadarm2 42 magnetic bearings 42 Sriharikota spaceport 42 stationary lander 42 Express orbiter 42 Giove B 42 SMOS 42 magnetic flux 42 Mini Thermal Emission 42 urine recycler 42 engineer Salizhan Sharipov 42 Flight Engineer Suni 42 Enceladus flyby 42 Solid Liquid Mixtures 42 helium leak 42 spacecraft orbited 42 Block 5D 42 shuttle Endeavour STS 42 ballistic trajectories 42 switchbox 42 ECO sensor 42 NFIRE 41 George Zamka 41 Ranging spacecraft 41 GOES N 41 supersonic combustion ramjet 41 Shenzhou capsule 41 Mossbauer 41 P6 truss 41 Impact Probe MIP 41 Moessbauer spectrometer 41 radioisotope thermoelectric generators 41 geosynchronous transfer 41 pusher propeller 41 Canadian Julie Payette 41 Shuttle undocks 41 manned Soyuz 41 Neutral Mass Spectrometer 41 unmanned probes 41 budging Wheelock told 41 Shuttle Discovery blasts 41 Variable Specific 41 unstow 41 Gagarin flight 41 Zarya module 41 Fyodor Yurchikhin 41 3rd SOPS 41 manned spaceship 41 shuttle Atlantis astronauts 41 Helios 2A 41 asteroids Ceres 41 antisatellite weapon 41 intergalactic spaceship 41 gamma ray observatory 41 starshade 41 rotary joint 41 gradiometer 41 entered lunar orbit 41 Geosynchronous Satellite Launch Vehicle 41 Atlas 2AS 41 LSAM 41 Astronaut Leroy Chiao 41 Lunokhod 41 Sputnik beeped 41 Ariane launchers 41 specialists Scott Parazynski 41 Navias 41 airglow 41 Stardust capsule 41 Messenger spacecraft 41 Mössbauer spectrometer 41 satellite GSAT 41 piezoelectric actuators 41 Soyuz rocket 41 SpaceX Falcon 41 reusable spacecraft 41 Oleg Skripochka 41 counterclockwise beam 41 Kliper 41 localiser 41 proton beams 41 spacecraft Hayabusa 41 STSS Demo 41 Tranquility node 41 mooring mast 41 Orion CEV 41 Insat 4CR 41 quadrocopter 41 THEMIS satellites 41 CDR Whitson 41 Shuttle Endeavour docks 41 radio occultation 41 Relations Observatory STEREO 41 specially instrumented 41 slender crescent 41 autonomous rendezvous 41 spacecraft orbiting 41 Quest Airlock 41 entire Milstar constellation 41 Comet Hartley 41 Satellite Launch Vehicle GSLV 41 propulsion subsystem 41 rotates clockwise 41 moonbase 41 CDR Krikalev 41 Divine Vessel 41 sideslip 41 ray Space Telescope 41 hydraulic accumulator 41 Shuttle Docks 41 legged lander 41 EPOXI mission 41 SuitSat 41 GSLV 41 winged spacecraft 41 orbiting remnant 41 shuttle Atlantis STS 41 Geosynchronous Transfer Orbit GTO 41 spacewalkers Scott Parazynski 41 lunar probes 41 spokesman Michael Braukus 41 ramjet propulsion 41 powerhead 41 orbiting telescopes 41 Venus Climate Orbiter 41 THEMIS Images 41 BSMs 41 shuttle payload bay 41 Soyuz Fregat 41 Space Launch Vehicle 41 MTSAT 1R 41 Yury Lonchakov 41 Heidemarie M. 41 Akademik Fedorov 41 Harmony module 41 Commander Dominic Gorie 41 inertial navigation 41 docking 41 antilock brake 41 ROCSAT 2 41 middeck 41 Thrust reversers 41 Atlantis robotic arm 41 onboard Chandrayaan 41 Mars CRISM 41 Phoenix Mars Lander 41 Lunar Outpost 41 propeller shafts 41 astronaut Leopold Eyharts 41 Orbiting Carbon Observatory 41 Commander Leroy Chiao 41 Shuttle Atlantis docks 41 spokesman Vyacheslav Davidenko 41 Geo synchronous 41 Earth magnetosphere 41 propellent 41 elongated orbits 41 instrument calibrations 41 parachute deploys 41 safing 41 named Rassvet