Related by context. All words. (Click for frequent words.) 73 Mars rovers Spirit 70 rovers 69 NASA rovers Spirit 68 twin rovers Spirit 67 NASA rovers 67 Mars rovers 67 Sojourner rover 67 twin rover Spirit 67 Viking landers 66 twin rovers 66 robotic explorer 66 Opportunity rovers 65 orbiting Mars 64 rover Opportunity 63 Opportunity rover 63 Mars Pathfinder 63 NASA twin rovers 63 Martian surface 63 robotic rovers 63 unmanned probes 62 rover Spirit 62 Voyager spacecraft 62 NASA Spirit rover 61 Spirit rover 61 sister rover Spirit 61 NASA Mars rover 61 robot rovers 61 twin rover Opportunity 61 Nasa spacecraft 61 robotic explorers 60 Martian rovers 60 spacecraft 60 Global Surveyor 60 twin Mars rovers 60 Mars landers 59 robotic probes 59 Mars Pathfinder lander 59 rover Sojourner 59 Mars rover Opportunity 59 Martian plains 59 Mars orbiter 59 orbiting spacecraft 59 NASA Kepler telescope 59 Cassini Huygens 59 Viking orbiters 59 lander 59 WISE spacecraft 58 outer planets 58 Red Planet 58 Apollo missions 58 Voyager probes 58 robotic spacecraft 58 Reconnaissance Orbiter 58 orbiting observatories 58 Mars rover Spirit 58 PASADENA Calif. NASA 58 rover 58 spacecraft orbiting 58 spacecrafts 57 Orbiter MRO 57 Ranging spacecraft 57 twin Voyager spacecraft 57 spacecraft Cassini 57 Mars rover 57 Mars Odyssey spacecraft 57 Stardust spacecraft 57 NASA Opportunity rover 57 Mars moon Phobos 57 NASA Mars Reconnaissance 57 New Horizons spacecraft 57 Mars Reconnaissance Orbiter MRO 56 Meridiani plains 56 flyby spacecraft 56 Mars Reconnaissance Orbiter 56 wheeled rovers 56 lunar orbiters 56 robotic geologist 56 robotic geologists 56 rover Spirit landed 56 NASA rover Spirit 56 orbiting Cassini spacecraft 56 retroreflector 56 Lunar Reconnaissance Orbiter LRO 56 Kepler Telescope 56 Cassini Huygens spacecraft 56 Mars Odyssey orbiter 56 NASA Stardust spacecraft 56 unmanned spacecraft 56 NASA Kepler spacecraft 55 Odyssey orbiter 55 THEMIS satellites 55 robotic lander 55 planets orbiting distant 55 Cassini orbiter 55 Martian arctic 55 Martian crater 55 ESA Huygens probe 55 durable twin rovers 55 Martian terrain 55 robotic rover Spirit 55 Martian landscape 55 robotic rover 55 spacecraft Chandrayaan 1 55 NASA Lunar Reconnaissance 55 Viking Lander 55 Curiosity rover 55 orbiting Hubble Space Telescope 55 Hayabusa probe 55 NASA Cassini spacecraft 55 Saturn Cassini 54 gamma ray observatory 54 celestial observations 54 reconnaissance orbiter 54 NASA Voyager spacecraft 54 Mars Global Surveyor 54 Interior Laboratory GRAIL 54 Phoenix Mars Lander 54 orbiting observatory 54 planetary Transits 54 twin Viking landers 54 interplanetary spacecraft 54 Enceladus flybys 54 martian surface 54 Rover MER 54 Comet #P/Churyumov-Gerasimenko 54 orbital rendezvous 54 Spirit Mars rover 54 Martian equator 54 exoplanetary 54 Mars Opportunity rover 54 innermost planet 54 Orbiter LRO 54 stationary lander 54 Hubble telescope 54 asteroid Itokawa 54 Jovian moons 54 Hubble Space Telescope HST 54 orbiters 54 orbiting Saturn 54 Mars orbiters 54 Lunokhod 54 Herschel telescope 53 Express orbiter 53 Phoenix Mars lander 53 NASA Cassini 53 ray Space Telescope 53 asteroid Vesta 53 robotic landers 53 Phoenix lander 53 ESA ASI 53 Kepler spacecraft 53 crewed spacecraft 53 THEMIS spacecraft 53 Ulysses spacecraft 53 ExoMars rover 53 Galileo spacecraft 53 Astronaut Gregory Chamitoff 53 planets orbiting sun 53 legged lander 53 Rosetta spacecraft 53 entered lunar orbit 53 martian 53 six wheeled rover 53 NASA rover Opportunity 53 exoplanets planets 53 MESSENGER spacecraft 53 orbiter 53 icy moons 53 microscopic imager 53 icy comets 53 Saturn moon 53 bedrock outcropping 53 Opportunity parachuted 53 planet Gliese #g 53 lunar surface 53 probe Huygens 53 exo planets 53 Canadian Julie Payette 53 satellites orbiting Earth 53 Martian rover 53 Endurance crater 53 NASA Kepler 53 Saturnian moon Titan 52 outermost planets 52 Huygens lander 52 Gusev crater 52 martian soil 52 Globalstar satellites 52 Sensing Satellite LCROSS 52 comet Churyumov Gerasimenko 52 Hubble Space Telescope 52 Comet Hartley 2 52 Mars Rover 52 NASA MESSENGER spacecraft 52 lunar orbits 52 orbiting Hubble telescope 52 CoRoT satellite 52 asteroid Eros 52 Mars Odyssey 52 GOCE satellite 52 infrared telescopes 52 Beta Pictoris b 52 landers 52 Jupiter Ganymede 52 orbiters landers 52 Churyumov Gerasimenko 52 Zeta Ophiuchi 52 Hubble 52 APXS 52 Venusian surface 52 HiRISE camera 52 orbiting telescope 52 GSLV rockets 52 Cassini flyby 52 whiz harmlessly 52 ESO telescopes 52 Martian winters 52 Messenger spacecraft 52 Mars lander 52 exoplanets orbiting 52 Russian cosmonaut Alexander Kaleri 52 Solar Terrestrial Relations 52 Shenzhou VI craft 52 Nasa Mars Reconnaissance 52 Saturn moons 52 orbiting 52 Shenzhou spacecraft 52 Meridiani Planum 51 INSAT 4CR 51 flyby Cassini 51 Martian orbit 51 Infrared Astronomical Satellite 51 Upsilon Andromedae b 51 MARSIS radar 51 Cassini flybys 51 Mars northern latitudes 51 orbit GEO 51 Cassini spacecraft 51 moons orbiting Pluto 51 comets asteroids 51 HiRISE camera aboard 51 RSRMs 51 moon Mab 51 lunar landers 51 sized planets orbiting 51 NASA EPOXI mission 51 Lunar Prospector 51 orbiter Cassini 51 NASA Lunar Prospector 51 moon Io 51 extrasolar planets 51 lobate scarps 51 Planetary Transits 51 GEochemistry 51 Yinghuo 1 51 weather satellite TIROS 51 Victoria Crater 51 Wilkinson Microwave Anisotropy Probe 51 comet flyby 51 NASA LCROSS 51 Space ENvironment GEochemistry 51 Solar TErrestrial RElations Observatory 51 smallest exoplanet 51 brown dwarfs stellar 51 moon Europa 51 Titan Saturn 51 moons orbiting 51 planemos 51 Shuttle Atlantis blasts 51 Mars Exploration 51 LCROSS spacecraft 51 Earthlike planets 51 sols 51 simulated lunar 51 shuttle Endeavour astronauts 51 Apollo astronauts 51 X ray telescopes 51 Rosetta orbiter 51 Kepler observatory 51 Kepler Space Telescope 51 Titan flyby 51 Martian arctic plains 51 Heliospheric Observatory SOHO 51 martian landscape 50 Herschel Space Telescope 50 gaseous planets 50 Orbital Express 50 Kepler 9c 50 Lunar Orbiter 50 exoplanet hunter 50 Observatory STEREO 50 mere fly bys 50 Philae lander 50 Lander robotic arm 50 starboard SARJ 50 Chandrayaan 50 Mars Gusev Crater 50 laser altimeter 50 Foton spacecraft 50 moon Charon 50 NASA Lunar Crater 50 electric ion propulsion 50 WISE telescope 50 NASA Cosmic Background 50 IBEX spacecraft 50 Infrared Pathfinder Satellite 50 Purgatory Dune 50 Rover Opportunity 50 geosynchronous satellite launch 50 spaceward 50 Hubble Telescope 50 NASA THEMIS 50 X ray spectrometer 50 Opportunity Mars rover 50 Mars Lander 50 Epsilon Eridani 50 Earth orbiting satellites 50 orbiting Kepler telescope 50 Explorer WISE 50 asteroid Steins 50 Mars Surveyor 50 LORRI 50 Lunar CRater Observation 50 aboard Skylab 50 High Resolution Imaging 50 lunar explorer 50 NASA ICESat 50 moons Phobos 50 exo planet 50 Galileo satellites 50 comet Wild 50 Mars Polar Lander 50 ESA Rosetta 50 orbiting telescopes 50 NASA Cassini orbiter 50 NASA STEREO 50 Mars Color Imager 50 Huygens probe 50 telescopic observations 50 Galilean satellites 50 COROT 50 Charon Pluto 50 WISE mapped 50 Convection Rotation 50 Huygens 50 martian atmosphere 50 Rover Spirit 50 Cassini Huygens Mission 50 GOCE 50 Mars rovers Opportunity 50 moonwalkers 50 Cosmic Background Explorer 50 ringed planet 50 WMAP satellite 50 remote sensing satellite Resourcesat 50 BepiColombo 50 highly elliptical orbits 50 MErcury Surface Space ENvironment 49 Itokawa asteroid 49 inner asteroid belt 49 planetary missions 49 ESA Mars 49 NASA COBE satellite 49 manned Shenzhou 49 extrasolar planets orbiting 49 Planck spacecraft 49 PASADENA Calif. Astronomers 49 planets astronomers 49 LRO spacecraft 49 Landsat satellites 49 asteroid Lutetia 49 Mars Orbiter Camera 49 planets circling 49 rock outcrop 49 OGLE TR #b 49 Mars Orbiter 49 distant supernovae 49 Jupiter icy moons 49 Saturn Enceladus 49 lunar probes 49 Galilean moons 49 Endeavour Crater 49 ALMA antennas 49 NASA Gamma ray 49 comet #P/Churyumov-Gerasimenko 49 Mini Thermal Emission 49 moons orbiting Saturn 49 Mars Meridiani Planum 49 EPOXI mission 49 Shenzhou IV 49 spacecraft flyby 49 BLG #Lb 49 Deep Impact probe 49 spacecraft Hayabusa 49 MESSENGER MErcury Surface 49 KBOs 49 WISE infrared 49 ESA Huygens 49 Lunar Rover 49 dexterous robot 49 parachutes malfunctioned 49 Saturnian system 49 Infrared Array Camera 49 GALEX 49 zap boulders 49 astronauts 49 NanoSail D 49 NASA Mars Odyssey 49 HARPS spectrograph 49 Atlantis undocks 49 Gliese #d 49 Hubble Space telescope 49 Galaxy Evolution 49 SELENE probe 49 Global Surveyor spacecraft 49 Cassini 49 equatorial plains 49 George Zamka 49 Martian soil 49 Earth asteroid Itokawa 49 giant gaseous planets 49 EPOXI spacecraft 49 Foton M3 49 permanently shadowed lunar 49 Huygens Probe 49 Mars CRISM 49 Deep Impact comet 49 asteroids comets 49 Comet 9P/Tempel 1 49 lander Beagle 2 49 orbited Jupiter 49 Samuel Oschin Telescope 49 planets orbiting stars 49 Orbiter 49 Herschel Planck 49 Planck satellite 49 Cloud Aerosol Lidar 49 astronomer Percival Lowell 49 Gliese #e 49 traveled rocketship 49 arctic plains 49 aboard Atlantis 49 comet particles 49 Manned missions 49 Cassini spacecraft orbiting 49 Upsilon Andromedae 49 MARSIS 49 satellites orbiting 49 spacecraft orbited 49 GRACE satellites 49 Space Telescope Imaging Spectrograph 49 Huygens descent 48 rover Curiosity 48 LRO 48 Foton M3 spacecraft 48 O OREOS 48 Hale Bopp 48 Epsilon Aurigae 48 Moessbauer spectrometer 48 Fermi telescope 48 Comet Churyumov Gerasimenko 48 P/# A2 48 X ray telescope 48 Russian Salizhan Sharipov 48 icy moon Enceladus 48 infrared observatory 48 Flyby spacecraft 48 smallest exoplanets 48 flybys 48 engineer Nicole Stott 48 Mars 48 visit http:/saturn.jpl.nasa.gov 48 Herschel Space 48 Hayabusa spacecraft 48 Kepler Mission 48 lander rover 48 COROT 7b 48 Anisotropy Probe WMAP 48 sunlike star 48 Deep Impact flyby spacecraft 48 martian rocks 48 Kuiper belt objects 48 Globalstar constellation 48 lunar missions 48 stabilizing gyroscopes 48 Interstellar Boundary Explorer 48 manned lunar landing 48 polygon patterns 48 Mossbauer spectrometer 48 unmanned lunar orbiter 48 interstellar dust samples 48 Deep Impact craft 48 Perseus Cluster 48 Russian Yuri Lonchakov 48 Cygnus Lyra region 48 Shenzhou capsule 48 shuttle orbiter 48 infrared telescope 48 Martian dust 48 X #As 48 MESSENGER 48 Multi Object Spectrometer 48 astrophysical phenomena 48 lunar orbiter 48 Martian rocks 48 Hayabusa capsule 48 PSLV rocket 48 probe Chang'e 48 hexagonal mirrors 48 interplanetary missions 48 Bonneville Crater 48 orbiting astronauts 48 Shuttle astronauts 48 NFIRE 48 NASAs 48 resident Gregory Chamitoff 48 LCROSS mission 48 Gliese #c 48 lightweight synthetic aperture 48 balsa wood raft 48 comet Boethin 48 Pluto Charon 48 Kepler telescope 48 Martian craters 48 ESA XMM Newton 48 Comet Hartley 48 Martian atmosphere 48 SIRTF 48 Japan Hayabusa spacecraft 48 THEMIS probes 48 SOHO spacecraft 48 grueling spacewalks 48 star Gliese 48 cosmonauts Sergei Volkov 48 lunar equator 48 Jet Propulsion Laboratory JPL 48 orbital solitude 48 Uranus Jupiter 48 Planetary Fourier Spectrometer PFS 48 Kaguya 48 NuSTAR 48 #P/Churyumov-Gerasimenko 48 lunar rovers 48 Keck telescopes 48 Huygens mission 48 NASA Mars rovers 48 geostationary satellites 48 Minotaur rocket 48 Russian crewmate Yuri 48 ESA ERS 48 Space Environment Geochemistry 48 Trojan asteroids 48 Nasa Deep Impact 48 spacecraft thrusters 48 Nasa 48 Hubble astronomers 48 Martian lander 48 nanosatellite 48 planets Uranus 48 Isidis Planitia 48 Mercury flyby 48 Lunar Excursion Module 48 Envisat satellites 48 Titan flybys 48 Cryosat satellite 48 manned spacecraft Shenzhou VI 48 Solar Dynamics Observatory 48 field Infrared Survey 48 Hubble gyroscopes 47 geosynchronous satellites 47 planets circling stars 47 waning gibbous 47 exoplanet discoveries 47 SMOS Soil Moisture 47 radioisotope thermoelectric generators 47 Comet Boethin 47 detect gravitational waves 47 Exploration Rover 47 XMM Newton 47 Soyuz spaceship 47 Martian arctic plain 47 Horizons spacecraft 47 Climate Experiment GRACE 47 NEOSSat 47 planets orbiting 47 Cartosat 2B 47 Shuttle Endeavor 47 occultations 47 CALIPSO 47 Wilkinson Microwave Probe 47 gaseous planet 47 Sojourner Rover 47 orbiter lander 47 inhabitable planets 47 planet Uranus 47 Shenzhou VII spacecraft 47 gumdrop shaped capsule 47 SpaceLoft XL rocket 47 interstellar grains 47 THEMIS Images 47 NASA Hubble Space 47 Cosmic Origins Spectrograph COS 47 orbiting complex 47 Rosetta comet 47 spaceflyers 47 Gravity Probe B 47 station Skylab 47 NASA 47 ROCSAT 2 47 THEMIS mission 47 Solar System 47 lunar craters 47 moon Titan 47 Planck observatory 47 Pilot George Zamka 47 irregularly shaped asteroid 47 Compton Gamma Ray 47 LAGEOS 47 STSS Demo 47 STSS Demonstration 47 Mars orbiting spacecraft 47 GOES satellites 47 galaxy M# [001] 47 mooncraft 47 slender crescent 47 spaceborne 47 LightSail 1 47 NASA Wilkinson Microwave 47 interstellar particles 47 Canadarms 47 shepherding spacecraft 47 Corot 7b 47 Discovery undocks 47 spacefarers 47 Jupiter Saturn 47 dust devils 47 astronomical observatories 47 reusable spacecraft 47 Stardust capsule 47 lunar module Eagle 47 buckypaper virtually 47 X ray observatory 47 NASA Solar Terrestrial 47 amateur skywatchers 47 JIMO 47 shuttle Discovery 47 Chang'eI 47 thrilling stargazers 47 spacemen Timothy Kopra 47 Earthlike planet 47 Cryosat 47 uncrewed 47 Commander Leroy Chiao 47 Stardust NExT mission 47 Rockot launch 47 comet chaser Rosetta 47 ion propulsion 47 transiting planets 47 spacewalk Lopez Alegria 47 shuttle Atlantis astronauts 47 optical telescopes 47 orbiting gamma ray 47 NASA satellites orbiting 47 DISR 47 BepiColombo mission 47 Discovery undocked 47 orbited Earth 47 Suzaku X ray 47 asteroids WISE 47 polar craters 47 Pluto Kuiper Belt 47 constellation Carina 47 Lunar Roving Vehicle 47 Nasa Mars Odyssey 47 Thermal Emission Spectrometer 47 NASA Fermi Gamma 47 TanDEM X 47 PSLV C6 47 hematite mineral 47 phyllosilicates 47 millisecond pulsars 47 humanoid robot R2 47 Orbiters 47 highly elliptical orbit 47 rocky planets 47 telescopes astronomers 47 impactor spacecraft 47 GSLV D3 47 SMOS 47 Helios 2B 47 maritime subsurface 47 Tempel 1 47 Gusev Crater 46 Kaguya spacecraft 46 lunar crust 46 specialists Lisa Nowak 46 Cosmonauts Sergei Volkov 46 NASA Deep Impact 46 Microscopic Imager 46 amateur astronomers peering 46 Climate Experiment 46 Minotaur IV 46 Jupiter Icy Moons Orbiter 46 GJ#b 46 moon permanently shadowed 46 faraway galaxies 46 comet chaser 46 red supergiants 46 NASA Great Observatories 46 EPOXI 46 orbits 46 Deep Impact eXtended Investigation 46 Eurobot 46 Cancri e 46 heavily cratered 46 DART spacecraft 46 LADEE 46 Orion spacecraft 46 Rosetta comet chaser 46 lunar poles 46 Evolution Explorer 46 engineer Timothy Kopra 46 Climate Experiment SORCE 46 Endurance Crater 46 satellites 46 STEREO spacecraft 46 Relations Observatory STEREO 46 Ron Garan 46 Jupiter moons 46 Saturn moons Enceladus 46 Europa Orbiter 46 reentry capsule 46 NASA Stratospheric Observatory 46 KODAK CCD Image Sensors 46 microlensing events 46 Nasa Kepler 46 super perigee moon 46 spacewalks astronauts 46 gamma ray spectrometer 46 DubaiSat 1 46 transiting exoplanets 46 Comet Halley 46 Shuttle Atlantis undocked 46 Shuttle Discovery astronauts 46 Deep Impact spacecraft 46 Meridiani 46 lunar 46 super Earths 46 moon 46 stellar occultations 46 Observatory SDO 46 TrES 4 46 MG J# +# 46 GLAST spacecraft 46 Lunar Reconnaissance Orbiter 46 Epoxi 46 Terrestrial Planet Finder 46 Antennae Galaxies 46 Jean Luc Margot 46 Fermi Gamma ray 46 EPOCh 46 GJ #b [001] 46 ESA Planck 46 Viking Orbiter 46 perched atop rover 46 INSAT 4B 46 Comet Machholz 46 impactors 46 TDRS K 46 Spitzer Space Telescope 46 closest flyby 46 Priz AS 46 Martian 46 director Charles Elachi 46 ExoMars Trace Gas 46 Delta Cephei 46 galaxy M# [002] 46 Jupiter Icy Moons 46 manned Soyuz 46 hydrated minerals 46 Glonass M 46 Marsis 46 Gamma ray burst 46 manned lunar 46 coronal loops 46 Saturn icy moons 46 Bug Nebula 46 GSLV D3 rocket 46 Lunar Crater Observation 46 microgravity experiments 46 super Earths orbiting 46 lunar rover 46 Endeavour astronauts 46 Ocean Salinity SMOS 46 manned missions 46 astronaut helper 46 Hesperian epoch 46 Infrared Astronomy SOFIA 46 comet Tempel 1 46 Fomalhaut b 46 Shenzhou capsules 46 Italian Roberto Vittori 46 Iapetus Saturn 46 retrograde orbit 46 CloudSat radar 46 Space Telescope 46 onboard Chandrayaan 46 NASA Orbiting Carbon 46 NASA ESA Hubble 46 particle beam 46 mu Arae 46 Pegasus XL 46 Jing Haipeng 46 Kazakhstan Baikonur Cosmodrome 46 interstellar dust particles 46 Near Infrared Camera 46 Carina constellation 46 MetOp satellite 46 astronomical observations 46 Oleg Skripochka 46 PSLV C7 46 Polar Lander 46 moon Schirra 46 Resourcesat 2 46 Orbiter spacecraft 46 Shepherding Spacecraft 46 ESOC 46 International Space Station 46 GLONASS satellites 46 Context Camera 46 ship thermal shielding 46 Mariner whizzing 46 NextSat 46 Kurs automated 46 protoplanets 46 Discovery astronauts 46 Ranging MESSENGER spacecraft 46 SBSS satellite 46 Noachian era 46 P Churyumov Gerasimenko 46 periodic dimming 46 Russian Mikhail Tyurin 46 manned lunar missions 46 shuttle underbelly 46 LCROSS Lunar Crater Observation 46 Mössbauer 46 Heliospheric Observatory 46 aboard ESA Envisat 46 ATV Jules Verne 46 Ring Nebula 46 Cassini Equinox 46 moon Phobos 46 ESA GOCE 46 SPICAM 46 Opportunity Mars rovers 46 INSAT 3D 45 ExoMars mission 45 ST5 45 Ariane launcher 45 asteroids Ceres 45 Cygnus spacecraft 45 NASA Interstellar Boundary 45 ultraviolet imaging spectrograph 45 Lt. Col. Yang Liwei 45 LROC 45 planets 45 Keck Interferometer 45 earth orbiting satellites 45 manned spacecraft 45 Shuttle Endeavour blasts 45 circular orbits 45 Reflection Radiometer 45 galaxy NGC# 45 noctilucent clouds 45 PSLV C 45 NASA Mars Orbiter 45 neutron spectrometer 45 NROL 45 COBE satellite 45 Wolszczan 45 Ares IX rocket 45 JTAC declared 45 MARSIS instrument 45 NEOWISE 45 Voyager Galileo 45 comets orbiting 45 BBSNews #-#-# NASA 45 Rosetta lander 45 Astronauts Scott Parazynski 45 cosmonaut Alexander Kaleri 45 CoRoT 9b 45 Phobos Grunt 45 planets asteroids 45 Planck telescope 45 moons circling 45 planet HD #b 45 radial velocity 45 extrasolar 45 orbiting satellites 45 Kazakhstan Baikonur cosmodrome 45 astronaut Eugene Cernan 45 CHIPSat 45 shuttle Discovery STS 45 micrometeorite impacts 45 asteroid collisions 45 ATV Johannes Kepler 45 space shuttle Discovery 45 northern arctic plains 45 Clementine spacecraft 45 hypervelocity stars 45 Foton M2 45 Cayuse Indians 45 foot SpaceLoft XL 45 orbit 45 vast Gusev Crater 45 unmanned spaceplane 45 radioisotope thermoelectric generator 45 GIOVE B 45 shuttle Endeavour STS 45 JCSAT 9 45 radio occultation 45 OSTM Jason 2 45 ESA Herschel 45 HIRES spectrometer 45 mission Chandrayaan 45 Imaging Spectroradiometer MODIS instrument 45 COROT exo 3b 45 astronomical telescope 45 countdown dress rehearsal 45 GPS IIR M 45 Glonass navigation satellites 45 X ray afterglow 45 Hesperian Epoch 45 SBSS Block 45 Taurus XL 45 ESA SMART 45 Yuri Shargin 45 PSLV C# 45 orbit insertion 45 Cosmonaut Yuri Gagarin 45 comet nucleus 45 DEPTHX 45 Michael Zolensky 45 distant quasars 45 situ measurements 45 meter Keck telescopes 45 shuttle Endeavor 45 lunar meteorites 45 extravehicular activities 45 Saturn Jupiter Uranus 45 Steins asteroid 45 Hubbles 45 SIM PlanetQuest 45 waitress Ingrid Sufan 45 GLAST telescope 45 AERONET 45 star Beta Pictoris 45 HARPS spectrograph attached 45 Bramley Murton 45 planetary geologists 45 planetary spacecraft 45 impactor 45 Gamma ray bursts 45 Orbiting Carbon Observatory 45 NASA Jet Propulsion Laboratory 45 binary asteroid 45 Jupiter flyby 45 eclipsing binaries 45 OSIRIS REx 45 sunlike stars 45 odometry 45 Son Nghiem 45 comet McNaught 45 NASA MESSENGER 45 #st Airborne combat brigades 45 orbiter robotic arm 45 Saturn rings 45 Shenzhou V spacecraft 45 http:/www.nasa.gov/cassini 45 HB SIA 45 known bird Archaeopteryx 45 Landsat satellite 45 geo synchronous 45 GSLV rocket 45 Astronaut Karen Nyberg 45 GPS IIF 45 exhaust plume 45 float weightlessly 45 infrared spectrometers 45 planets orbits 45 elliptical orbits 45 Astro E2 45 thermal emission spectrometer 45 smoothest flattest spot 45 celestial phenomena 45 heaviest payloads 45 ARRL AMSAT 45 Alexander Samokutyayev 45 unmanned rover