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(Click for frequent words.) 68 solar panels 63 solar 62 generating solar arrays 59 #/#-ton truss 58 truss segment 57 Solar Array 56 photovoltaic 56 photovoltaic arrays 56 SARJ 55 PV panels 55 photovoltaic PV panels 54 photovoltaic panels 54 alpha rotary 54 photovoltaic solar panels 54 solar PV 54 rooftop solar 54 rooftop photovoltaic 53 solar photovoltaic 53 #/#-ton addition 53 Photovoltaic panels 53 spacecraft 53 P6 truss 53 Solar panels 53 P6 4B 53 rotary joint 53 solar photovoltaic arrays 53 malfunctioning rotary joint 52 solar modules 52 Kibo module 52 Japan Kibo laboratory 52 orbital laboratory 52 spacewalks 52 PV arrays 52 tonne truss segment 52 kW photovoltaic 52 photovoltaic solar 52 kW PV 52 Alpha Rotary Joints 51 pressurized compartment 51 S#/S# truss segment 51 solar photovoltaic panels 51 crystalline silicon panels 51 Atlantis astronauts 51 pressurized module 51 SunPower solar panels 51 solar thermal 51 orbiting outpost 51 photovoltaic solar arrays 51 megawatt solar 51 S6 truss 51 infrared observatory 51 Tranquility node 51 starboard truss 50 spacewalk 50 ISS robotic arm 50 particle detector 50 #.#MW solar [002] 50 P#/P# truss 50 Permanent Multipurpose Module PMM 50 kilowatt photovoltaic 50 interplanetary spacecraft 50 solar photovoltaic PV 50 Canadarm2 robotic arm 50 SunPower Tracker 50 megawatt photovoltaic 50 solar cells 50 micro inverters 50 rooftop solar panels 50 photovoltaic modules 49 microshutters 49 Permanent Multipurpose Module 49 ton truss 49 starboard SARJ 49 Solar Power 49 Solar Arrays 49 arrays 49 spacewalking astronauts 49 robotic rovers 49 retroreflector 49 starboard truss segment 49 photovoltaic cells 49 kilowatt kW solar 49 robotic arm Canadarm2 49 rooftop solar arrays 49 robotic arm 49 astronauts rewired 49 spacewalker Scott Parazynski 49 PV modules 49 photo voltaic solar panels 49 Harmony module 49 astronomical telescope 48 Dynamics Observatory SDO 48 rooftop PV 48 Shuttle Discovery docks 48 6 #/#-hour spacewalk 48 IBEX spacecraft 48 orbiting 48 THEMIS satellites 48 photovoltaic installations 48 SunPower T0 Tracker 48 axis tracker 48 kilowatt 48 Japanese Kibo module 48 Kibo robotic arm 48 Cosmic Origins Spectrograph 48 telescope 48 microinverter 48 SMA inverters 48 NASA STEREO 48 Discovery payload bay 48 moons orbiting Pluto 48 seven windowed cupola 48 Alpha Magnetic Spectrometer 48 spacecraft orbiting 48 Japanese Kibo laboratory 48 Spacewalkers 48 Shuttle Atlantis docks 48 grueling spacewalks 48 kilowatt wind turbine 48 Solar 48 single axis trackers 48 Photovoltaic solar panels 48 superconducting magnet 48 S6 truss segment 48 EV charging 48 kilowatt turbine 48 truss 48 space shuttle Atlantis 47 megawatt solar photovoltaic 47 curved mirrors 47 Japanese Kibo lab 47 Shuttle docks 47 SunWave 47 orbiting spacecraft 47 kW photovoltaic PV 47 International Space Station 47 orbiter 47 SunPower T# 47 BepiColombo mission 47 Kibo Japanese 47 photo voltaic panels 47 electric ion propulsion 47 kilowatt solar photovoltaic 47 magnetic spectrometer 47 Solar Terrestrial Relations 47 starshade 47 photovoltaic PV solar panels 47 satellites orbiting Earth 47 spaceflyers 47 photovoltaic PV solar 47 radioisotope thermoelectric generator 47 CAPE CANAVERAL Astronauts 47 GLAST spacecraft 47 Hubble gyroscopes 47 orbiting observatory 47 Zvezda module 47 parabolic dish 47 solar photovoltaic installations 47 orbital outpost 47 X ray telescope 47 Lockheed Martin Waterton Canyon 47 solar voltaic 47 watt solar panels 47 truss segment unfurled 47 heliostats 47 solar photovoltaics PV 46 ion thrusters 46 kW inverters 46 CubeSats 46 planetary Transits 46 orbiting complex 46 unplanned spacewalk 46 kilowatts 46 Dynamics Observatory 46 Keck telescopes 46 Xantrex inverters 46 Solaren 46 kWp 46 NuSTAR 46 solar concentrators 46 wind turbine 46 Solid Rocket Boosters 46 Ivanpah 46 Shuttle undocks 46 Extra Vehicular Activity 46 BepiColombo 46 orbiting observatories 46 orbiting ISS 46 telescopes 46 PV Trackers 46 Desert Sunlight 46 stowage platform 46 spinning gyroscopes 46 particle physics experiment 46 solar voltaic panels 46 rooftop arrays 46 docking compartment 46 parabolic troughs 46 rotary joints 46 orbiting laboratory 46 rooftop solar photovoltaic 46 megawatt MW solar 46 microinverters 46 solar concentrator 46 NASA rovers 46 clogged rotary 46 Shuttle Endeavour undocks 46 P5 truss 46 X ray telescopes 46 astronauts Robert Curbeam 46 photo voltaic solar 46 Shuttle Discovery undocks 46 inverter 46 NIRSpec 46 Ivanpah Solar Electric 46 Yinghuo 1 46 parabolic mirrors 46 Harmony compartment 46 SunPower Tracker ® 46 Solar Dynamics Observatory 46 Kurs automated 46 photovoltaic PV 46 Evergreen Solar panels 45 Solyndra panels 45 Soyuz rocket 45 crystalline silicon solar panels 45 Pirs module 45 shuttle payload bay 45 four spinning gyroscopes 45 shuttle orbiter 45 Atlantis undocks 45 Kibo lab 45 spacewalkers 45 SSPTS 45 Suntech solar panels 45 Z1 truss 45 infrared telescopes 45 orbiter robotic arm 45 laboratory Kibo 45 #MW PV 45 Andalay AC panels 45 megawatt MW solar photovoltaic 45 ion thruster 45 Reliathon 45 lowest levelized 45 shuttle robotic arm 45 micro inverter 45 hexagonal mirrors 45 orbital rendezvous 45 particle physics detector 45 shuttle Discovery 45 Shuttle Endeavour docks 45 Japan Kibo lab 45 HiRISE camera 45 Sunverge 45 Ulysses spacecraft 45 Zarya module 45 spectrograph 45 obsolete radiator 45 lander rover 45 parabolic trough collectors 45 KODAK CCD Image Sensors 45 watt photovoltaic modules 45 space shuttle Endeavour 45 #Wp 45 dual axis trackers 45 shuttle Discovery STS 45 LightSail 1 45 #MW photovoltaic 45 optical telescope 45 SIRTF 45 #.#MW turbines 45 gamma ray telescope 45 Two spacewalking astronauts 45 Earth magnetosphere 45 Endeavour STS 45 GRACE satellites 45 FASTSAT 45 microturbines 45 Canadian robot Dextre 45 3MW turbines 45 integrated photovoltaic BIPV 45 shuttle astronauts 45 SunPower 45 gyroscopes 45 P1 truss 45 highly elliptical orbit 45 T# Tracker 45 coolant loops 45 rovers 45 Laser Interferometer Space 45 O OREOS 45 VAWTs 45 spacewalks astronauts 45 Pirs Docking Compartment 45 NanoSail D 45 Relations Observatory STEREO 45 SOHO spacecraft 45 crewed spacecraft 45 Concentrated solar 45 SolarCurrents 45 concentrating photovoltaics CPV 45 entire Milstar constellation 45 orbit 45 photo voltaic 45 meteorological towers 45 WFC3 45 solar inverter 44 Poisk module 44 Shuttle Discovery blasts 44 Shuttle astronauts 44 X ray Imager SXI 44 Glonass K 44 Pirs airlock 44 Bowersox Pettit 44 photovoltaics 44 gamma ray observatory 44 Microinverters 44 Kibo pressurized 44 Tiangong 1 44 Nasdaq SPWRA 44 Context Camera 44 SunCatcher 44 microgrid 44 meteorological satellites 44 heliostat 44 Solar TErrestrial RElations Observatory 44 station Zvezda module 44 polar orbiting 44 MUOS satellite 44 parabolic trough mirrors 44 megawatt wind turbines 44 Endeavour robotic arm 44 ultraviolet spectrograph 44 particle detectors 44 space shuttle Discovery 44 Photovoltaic PV solar 44 Shuttle Endeavour 44 megawatt turbine 44 System OBSS 44 Discovery astronauts 44 Enphase 44 orbiter lander 44 EPOXI mission 44 megwatts 44 MARSIS radar 44 DIRECTV 9S 44 turbines 44 Canadarm2 44 wind turbines 44 orbiters 44 NEOSSat 44 lander 44 microgravity environment 44 Zvezda Service 44 orbiting telescopes 44 SSMEs 44 Solar Installation 44 external stowage 44 orbiter Cassini 44 Discovery undocks 44 Space shuttle undocks 44 BIPV 44 Jupiter Icy Moons Orbiter 44 #/#-hour spacewalk [001] 44 shuttle Endeavour STS 44 domed lookout 44 twin rover Opportunity 44 solar pv 44 Pad #A 44 Space Shuttle Atlantis 44 shuttle Atlantis 44 PV installations 44 Comet Churyumov Gerasimenko 44 ADM Aeolus 44 orbiter payload bay 44 SBSS satellite 44 5MW turbines 44 antennas 44 Oleg Kononenko 44 unstowed 44 geo stationary orbit 44 Control Moment Gyroscope 44 #KW [003] 44 Galileo satellites 44 P#/P# integrated 44 Tessera Solar 44 THEMIS 44 Kibo laboratory 44 Spacewalking astronauts 44 THEMIS spacecraft 44 astronauts 44 ammonia coolant tank 44 GE CF6 engines 44 Tranquility module 44 lunar orbits 44 drogue parachute 44 Laser Interferometer Gravitational Wave 44 Advanced LIGO 44 vertical axis wind turbines 44 adaptive optics 44 Space Agency 44 Lunar Reconnaissance Orbiter LRO 44 Satcon inverters 44 Kibo 44 Hubble Space telescope 44 Rotary Joint SARJ 44 metal shavings inside 44 Vestas turbines 44 malfunctioning toilet 43 Foton spacecraft 43 Parallel Solar 43 Pirs Docking Compartment airlock 43 CHIPSat 43 substorms 43 MTSAT 1R 43 PV module 43 Transfer System SSPTS 43 APXS 43 ecliptic plane 43 Rick Linnehan 43 CleanCharge 43 RayTracker 43 RPCM 43 radiometers 43 Philae lander 43 Atlantis Undocks From 43 1MW 43 Kepler spacecraft 43 Spacewalkers Scott Parazynski 43 geosynchronous satellite 43 Russian Yuri Lonchakov 43 Mars Pathfinder lander 43 Thomas Marshburn 43 Multi Purpose Logistics Module 43 dexterous robot 43 GLAST 43 JIMO 43 SPHERES 43 Sierra SunTower 43 sunshield 43 MetOp 43 megawatt turbines 43 payload bay 43 Vestas V# wind turbines 43 Soyuz launcher 43 GEO satellites 43 Heliospheric Observatory SOHO 43 cosmic ray detector 43 Canadian Julie Payette 43 #.#MW [005] 43 GOES satellites 43 reusable spacecraft 43 George Zamka 43 thrusters 43 axis trackers 43 inch refractor telescope 43 New Horizons spacecraft 43 lube gummed 43 shuttle undocks 43 Leonardo Permanent Multipurpose 43 robotic lander 43 Upsilon Andromedae 43 Cosmic Origins Spectrograph COS 43 rocket thrusters 43 S#/S# truss 43 molten salt storage 43 CubeSat 43 Opportunity parachuted 43 Jupiter Ganymede 43 Soyuz landings 43 reboost 43 WISE spacecraft 43 kilowatts KW 43 crystalline solar panels 43 solar photovoltaics 43 airborne observatory 43 Giove B 43 Bloom Boxes 43 Cassini Huygens 43 RSRMs 43 CalRENEW 1 43 GLONASS satellites 43 maneuvering thrusters 43 ammonia coolant 43 Spacewalks 43 Globalstar constellation 43 kW 43 orbiting Hubble Space Telescope 43 X ray wavelengths 43 Fotowatio Renewable Ventures 43 Curiosity rover 43 HEO payloads 43 lunar missions 43 Globalstar satellites 43 Bloom Electrons 43 megawatt wind turbine 43 antenna reflector 43 Solar Dynamics 43 Dextre robot 43 Saturnian system 43 orbiting gamma ray 43 Point Tracking MPPT 43 cryocoolers 43 Climate Experiment GRACE 43 Skripochka 43 inverters 43 UNI SOLAR laminates 43 microgrids 43 horizontal axis wind turbine 43 WindCube 43 PowerBuoys 43 Solar Orbiter 43 Solar PV 43 Nasa spacecraft 43 External Stowage Platform 43 PV Modules 43 Shuttle Discovery arrives 43 Hubble 43 EnvisionTrak 43 shuttle Endeavor 43 manned spaceships 43 Parazynski 43 Hubble Space Telescope HST 43 astronaut Scott Parazynski 43 kilovolt transmission lines 43 lunar orbiters 43 Mercury Uranus 43 Quest Airlock 43 Douglas Wheelock apprised 43 solar paneling 43 aboard Atlantis 43 megawatts MW 43 geosynchronous satellites 43 Earth orbiting satellites 43 unmanned spacecraft 43 Minotaur rocket 43 Japanese Experiment Module 43 MPPT 43 VAWT 43 robot Dextre 43 PV 43 LRO 42 backsheet materials 42 shuttle undocked 42 Chajnantor plateau 42 kW solar photovoltaic 42 origins spectrograph 42 LROC 42 exoplanets planets outside 42 install solar panels 42 Large Synoptic Survey 42 Solar Inverter 42 cryogenic propellants 42 optical telescopes 42 PSLV rocket 42 2MW 42 Astronauts conserved 42 Harmony Node 42 Observatory SDO 42 Atacama Large Millimeter Array 42 rooftop installations 42 Atlantis STS 42 trumped Begley 42 unmanned probes 42 Orbiting Carbon Observatory 42 absorption chillers 42 Elektron oxygen generator 42 satellites 42 #Mw [003] 42 radiotelescope 42 STEREO spacecraft 42 Antenna LISA 42 Japanese Pressurized Module 42 crystalline modules 42 WGS satellites 42 solar photovoltaic PV modules 42 planet magnetosphere 42 Sojourner rover 42 kW rooftop 42 kilowatt kW 42 impactor spacecraft 42 Hobby Eberly Telescope 42 thruster 42 geostationary 42 Russian Elektron oxygen 42 HTS cables 42 infrared telescope 42 SolarBeam 42 Lunar Reconnaissance Orbiter 42 spacecrafts 42 nanosatellite 42 superconducting magnetic 42 PowerBuoy ® 42 Curbeam 42 #MWp [002] 42 Padalka 42 ALMA antennas 42 Thermal Emission Spectrometer 42 modules inverters 42 cosmonaut Gennady Padalka 42 Rockot launch 42 JWST 42 concentrating photovoltaics 42 tenKsolar 42 MPLM 42 Galactic cosmic rays 42 solid rocket boosters 42 GIOVE B 42 Saturn Cassini 42 Skynet 5C 42 robotic spacecraft 42 Atlas V 42 KACO 42 Shuttle Atlantis blasts 42 Fat Spaniel 42 #.#MW wind turbine 42 SunCatchers 42 Generating System 42 Shuttle Endeavor 42 megawatts 42 superconductor cable 42 Proba 2 42 GJ #b [002] 42 Zenit 3SL rocket 42 photovoltaic PV module 42 Planck satellite 42 #MW solar 42 Mars landers 42 Space Telescope Imaging Spectrograph 42 Glonass navigation satellites 42 CEO Lyndon Rive 42 Helioseismic 42 MW solar photovoltaic 42 lunar landers 42 vertical axis wind turbine 42 Herschel telescope 42 Glonass satellites 42 SolarMax 42 antenna 42 mothership WhiteKnightTwo 42 #.#MW wind turbines 42 Tri Brid 42 rooftop photovoltaic panels 42 DART spacecraft 42 vBoost 42 Mars orbiters 42 HEO payload 42 Satcon Solstice 42 NASA MESSENGER spacecraft 42 Endeavour astronauts 42 photovoltaic PV modules 42 spacewalking astronauts floated 42 Soyuz spacecraft 42 Dextre 42 orbiting telescope 42 laser altimeter 42 ENN Solar 42 spacewalking astronauts hooked 42 moon Charon 42 Atacama Large Millimeter submillimeter 42 POES satellites 42 robotic telescopes 42 lunar probes 42 Minotaur IV 42 heaviest payloads 42 robotic Canadarm 42 fried circuit breaker 42 module 42 CMGs 42 INSAT 4CR 42 Fermi telescope 42 astronauts Scott Parazynski 42 ESTRACK 42 spacecraft orbited 42 watt lightbulbs 42 earth orbiting satellites 42 combiner box 42 orbiting lab 42 Evergreen Solar Inc 42 PV inverters 42 ARISSat 42 UNI SOLAR 42 Jules Verne ATV 42 Astronaut Sandra Magnus 42 rover 42 COROT 42 Astronauts Install 42 wind turbine generators 42 Astrolab 42 Shuttle Docks 42 Stardust spacecraft 42 Insat 4B 42 Vestas V# turbines 42 infrared detector 42 propellant tanks 42 micrometeoroids 42 Pilot George Zamka 42 Aerosol Polarimetry Sensor 42 spacewalkers bolted 42 Cloud Aerosol Lidar 42 DEGERenergie 42 LEOP 42 shuttle 42 Earth Observation satellites 42 batteries gyroscopes 42 Shuttle Atlantis undocks 42 Budarin 42 Vestas V# [002] 42 PowerBuoy 42 Upsilon Andromedae b 42 Mars Surveyor 42 Orbiter 42 Rosetta spacecraft 42 kV transmission 42 BIPV modules 42 RBSP 42 Trombe wall 42 SunPower Nasdaq SPWRA 42 #.#MW turbine 42 interplanetary missions 42 scintillation detectors 42 robot rovers 42 Spacehab module 42 VIIRS 42 exoplanets planets 42 Photovoltaic 42 #.#MWp 42 Gravity Probe B 42 geo synchronous orbit 41 Crescent Dunes 41 Kounotori2 41 Lunar Reconnaissance Orbiter Camera 41 NFIRE 41 STEREO mission 41 don spacesuits 41 absorption chiller 41 Discovery undocking 41 NASA THEMIS 41 spectrographs 41 pumps ammonia coolant 41 T5 Roof Tile 41 Joseph Acaba 41 Security GMES 41 CPV solar 41 antireflective coating 41 SkyMount 41 crystalline silicon photovoltaic modules 41 twin rovers 41 Dmitry Kondratyev 41 stationary lander 41 Kepler telescope 41 manned orbital 41 Soyuz spacecraft docked 41 INSAT 4B 41 concentrated photovoltaic CPV 41 Canadarms 41 Vestas V# [001] 41 PharmaSat 41 PowerBuoy wave 41 robotic geologists 41 extrasolar 41 commander Sergei Volkov 41 interplanetary probes 41 parabolic reflectors 41 combiner boxes 41 Early Ammonia Servicer 41 NASA Great Observatories 41 Sempra Generation 41 Ares IX rocket 41 THEMIS mission 41 OBSS 41 RDEG technologies 41 BrightSource Ivanpah 41 SolarCity 41 Christer Fuglesang 41 LOFAR 41 XMM Newton X ray 41 Enphase Microinverter System 41 RSB Funds 41 Garret Reisman 41 Space shuttle Discovery 41 orbiter Atlantis 41 SolarEdge 41 STIS 41 shuttle Endeavour payload bay 41 kilowatt rooftop 41 Astrotech payload processing 41 linearly polarized 41 power optimizers 41 Telstar #R 41 countdown dress rehearsal 41 deorbiting 41 detect gravitational waves 41 Vestas wind turbines 41 Andalay 41 Visit SPACE.com 41 Magnetic Imager HMI 41 Main Injector Neutrino 41 SOLON Corporation 41 solar inverters 41 MARSIS 41 ASTRA 1KR 41 pad #A 41 RStandard poles 41 #KW [001] 41 orbits 41 Orbiter Boom Sensor 41 undocks 41 innermost planet 41 Russian Orlan spacesuit 41 AEHF satellites 41 Keck Telescopes 41 protruding thermal 41 Launch Scrubbed 41 Gyroscopes 41 HCPV panels 41 GOCE 41 Suntech 41 aperture telescope 41 Mars rovers Spirit 41 LifeVillage 41 CDR SO 41 1kW 41 orbiting astronauts 41 Passive tags 41 Infrared Pathfinder Satellite 41 circumlunar 41 GSHP systems 41 Vertical Axis Wind Turbine 41 Borrego Solar 41 wind farms 41 Space Shuttle Endeavour 41 ChargePoint charging stations 41 Diviner instrument 41 planets orbiting stars 41 Logistics Module 41 Conergy AG CGY GY 41 aeroshell 41 payload canister 41 ammonia tank 41 VASIMR engine 41 Aboard Endeavour 41 THEMIS probes 41 solar laminates 41 Enceladus flybys 41 Russian crewmate Salizhan 41 Kibo JPM JEM Pressurized 41 faulty gyroscope 41 INSAT satellite 41 YES2 41 Data Grapple Fixture 41 Taurus XL rocket 41 STEREO observatories 41 GPS IIIA satellite 41 Mars rovers 41 CleanSource 41 Solar Panels 41 booster rockets 41 Geostationary Operational Environmental 41 Andrey Borisenko 41 PowerBoxes 41 Lunar Roving Vehicle 41 Atlantis payload bay 41 Ariane launchers 41 MetOp satellite 41 Endeavour docked 41 ATLAS detector 41 Rosetta orbiter 41 SolFocus 41 photometer 41 HCPV 41 Pirs docking compartment 41 planets orbits 41 Anik F2 41 NASA Gamma ray 41 Palen Solar 41 Rassvet module 41 Dual Payload Attach Fitting 41 equatorial orbit 41 Interplanetary Internet 41 rovers solar panels 41 lunar orbiter 41 Themis satellites 41 Ron Garan 41 5MW 41 Beta Pictoris b 41 Cerro Pachon 41 twin Voyager spacecraft 41 photovoltaic inverter 41 Foton M3 spacecraft 41 astronomical telescopes 41 Cassini orbiter 41 Convection Rotation 41 Orbiter Processing Facility OPF 41 Shallow Subsurface Radar 41 spectrometer 41 CPV modules 41 J 2X engine 41 cryogenically cooled 41 linear Fresnel 41 lunar rovers 41 Scott Parazynski 41 magnetospheres 41 jagged ridge 41 Dragon capsule 41 crystalline PV modules 41 Geminga 41 MESSENGER 41 Cosmonaut Valery Tokarev 41 LightSail 41 Jupiter Uranus 41 sunshade 41 Stratellite 41 Vertical Axis Wind Turbines 41 #kW wind turbine 41 Endeavour 41 GOCE satellite 41 JPL manages 41 #.#MW [002] 41 Russian Zvezda module 41 Remote Manipulator System 41 Blythe Solar 41 Kuiper belt object 41 photo voltaic cells 41 SunZia 41 ChargePoint stations 41 PowerLight Corporation 40 girder 40 Shuttle Atlantis arrives 40 urine recycler 40 Orbital Express 40 MicroCSP 40 NASA twin STEREO 40 7kW 40 cover unlatching 40 Astronauts Scott Parazynski 40 Tracy Caldwell Dyson 40 binary asteroid 40 Resourcesat 2 40 stellar occultations 40 CitySense 40 lightning arrester 40 Mastcam 40 ELM PS 40 EVAs 40 gasified coal 40 GPS IIF 40 Endeavour payload bay 40 MARSIS instrument 40 spacewalk Lopez Alegria 40 Photovoltaic Solar 40 Windspire 40 GPS IIF satellite 40 rovers Spirit 40 icy comets 40 SEGS 40 Robert Curbeam 40 Manned missions 40 manager Mike Suffredini 40 frequent woo hoos 40 remote sensing satellites 40 MEarth 40 robotic landers 40 Planck spacecraft 40 auroral displays 40 HM Cancri 40 SINFONI 40 astronauts aboard 40 SunWize 40 Zeta Ophiuchi 40 sunspot cluster 40 remote sensing satellite 40 Shenzhou spacecraft 40 DPGDS 40 TDRSS 40 integrated microinverter 40 SIM PlanetQuest 40 Rassvet 40 Microgrids 40 GPS IIIA satellites 40 tubular skylight 40 windshield wiper maneuver 40 Soyuz capsule 40 Ultraviolet Optical Telescope 40 AgCam 40 Astro E2 40 Alta Wind 40 largest moon Charon 40 Opportunity rover 40 Alexander Samokutyaev 40 payload fairing 40 specialists Scott Parazynski 40 Russian cosmonauts Alexander Skvortsov 40 ship thermal shielding 40 lunar equator 40 stage Naro rocket 40 Beidou satellite 40 shuttle Endeavour