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(Click for frequent words.) 71 orbiting 69 orbits 66 orbit 63 orbited Earth 55 spacecraft 54 Kepler 9c 54 Saturn Cassini 54 Upsilon Andromedae 54 WISE mapped 53 orbital rendezvous 53 spacecraft orbited 53 Epsilon Eridani 52 Atlantis rocketed 52 Lunokhod 52 circular orbit 52 highly elliptical orbit 51 orbit GEO 51 preset orbit 51 Zeta Ophiuchi 51 mu Arae 51 exoplanets planets 51 Kuiper belt object 51 Mars Pathfinder lander 51 orbital 51 tow dollies 51 orbiter Cassini 51 asteroid Itokawa 51 geo stationary orbit 51 gaseous planet 51 polar orbit 51 planet orbits 51 Earth orbit 50 Nasa spacecraft 50 retrograde orbit 50 Proxima Centauri 50 CoRoT 50 star Gliese 50 AU Mic 50 comets orbiting 50 retroreflector 50 NASA Voyager spacecraft 50 ROCSAT 2 50 Kourou French Guiana 50 Upsilon Andromedae b 50 elliptical orbit 50 fiery reentry 50 S/# P2 50 Fomalhaut b 50 eccentric orbits 50 outermost planets 50 Cancri e 50 WASP #b 50 occulted 50 Planetary Transits 50 Churyumov Gerasimenko 49 Saturn outermost moon 49 aboard Skylab 49 asteroids orbiting 49 Yaogan 49 reentry capsule 49 orbital eccentricity 49 star Fomalhaut 49 manned spacecraft Shenzhou VI 49 volcanic moon Io 49 BepiColombo 49 manned Shenzhou 49 GQ Lupi 49 Colonel Yang Liwei 49 geosynchronous orbit 49 Predator drone flies 49 GALEX 49 geostationary orbits 49 Hale Bopp 49 geostationary orbit 49 highly elliptical orbits 49 Voyager spacecraft 49 HAT P 49 Comet Halley 49 lunar orbits 49 synchronous orbit 49 Comet Holmes 49 satellites orbiting 49 Chang'eI 49 unmanned spacecraft 49 planets Uranus 49 Jupiter Ganymede 49 planet orbiting 49 planetary Transits 49 Toutatis 48 HL Tau 48 elongated orbit 48 interstellar particles 48 COROT satellite 48 Ariane rocket 48 moon Ganymede 48 NASA twin rovers 48 planets orbits 48 Triangulum 48 entire Milstar constellation 48 Orbiting 48 constellation Centaurus 48 sized planets orbiting 48 PSLV C6 48 geo synchronous 48 Pluto Eris 48 lunar probe Chang'e 48 mere fly bys 48 millisecond pulsar 48 HD #b [002] 48 sun synchronous orbit 48 Soviet cosmonaut Yuri Gagarin 48 whiz harmlessly 48 exoplanets orbiting 48 elliptical orbits 48 geo synchronous transfer 48 constellation Carina 48 supernova explosion 48 Astronomical Units 48 Mars Pathfinder 48 ESA SMART 48 Ranging spacecraft 48 perihelion 48 ESA ERS 48 NEAR Shoemaker 48 moons orbiting 48 galaxy M# [001] 48 orbiter 48 outermost planet 48 CoRoT #b 48 TrES 4 47 orbits Saturn 47 brightest supernova 47 COROT 47 closest flyby 47 Shenzhou V spacecraft 47 NFIRE satellite 47 Plesetsk cosmodrome 47 Stardust spacecraft 47 Galilean moons 47 WISE spacecraft 47 Kosmos 3M 47 geostationary transfer 47 spacecraft orbiting 47 launching Andrian Nikolayev 47 X ray binary 47 slender crescent 47 Skynet 5C 47 Recovery Experiment SRE 47 thruster rockets 47 innermost planet 47 probe Chang'e 47 orbit GTO 47 planets orbiting sun 47 gravitationally bound 47 telescopic observations 47 NASA EPOXI mission 47 Saturnian 47 Geminga 47 MErcury Surface Space ENvironment 47 constellation Pegasus 47 circular orbits 47 NASA MESSENGER spacecraft 47 flyby spacecraft 47 Foton M3 47 Mars Odyssey spacecraft 47 maneuvering thrusters 47 spacecraft Cassini 47 Cosmonaut Yuri Gagarin 47 lunar orbit 47 undocked 47 waning gibbous 47 Shenzhou VI spacecraft 47 satellites 47 Nasa Mars Odyssey 47 Globalstar satellites 47 New Horizons spacecraft 47 Helios 2B 47 Gliese #e 47 Elenin 47 constellation Virgo 47 transiting exoplanet 47 Hyakutake 47 astronaut Yang Liwei 47 asteroid Vesta 47 INSAT 4CR 47 Milky Way Galaxy 47 Observatory SDO 47 spaceward 47 Halley comet 47 Ringed Planet 47 Sojourner rover 47 ecliptic plane 47 thin crescent 47 inhabitable planets 46 HAMSAT 46 George Zamka 46 Comet Churyumov Gerasimenko 46 Yuri Shargin 46 Cygnus Lyra region 46 MESSENGER spacecraft 46 Rosetta spacecraft 46 Large Magellanic Cloud 46 Comet Hartley 46 Voyager probes 46 ESA Huygens probe 46 NASA Stardust spacecraft 46 Relations Observatory STEREO 46 aphelion 46 moons Phobos 46 Anik F3 46 sunlike star 46 Solar Dynamics Observatory 46 comet hurtling 46 Uranus Neptune 46 Epsilon Aurigae 46 cosmic cannibal 46 giant elliptical galaxy 46 planets moons 46 microquasar 46 spacecraft flyby 46 Hipparcos 46 Plesetsk Cosmodrome 46 aboard Taurus XL 46 Kazakhstan Baikonur Cosmodrome 46 constellation Ursa Major 46 brown dwarf 46 TrES 46 globulars 46 enters lunar orbit 46 exosphere 46 galactic disk 46 Cassini Huygens 46 Ocean Salinity SMOS 46 entered lunar orbit 46 shuttle undocked 46 Anisotropy Probe 46 Xichang 46 equatorial orbit 46 Gliese 46 STSS Demo 46 KBOs 46 galaxy M# [002] 46 Shenzhou V 46 Huygens mission 46 Beta Pictoris 46 Comet Shoemaker Levy 46 unmanned lunar orbiter 46 Convection Rotation 46 Kuiper Belt object 46 capsule parachuted 46 manned spaceships 46 Haumea 46 comet Churyumov Gerasimenko 46 Kepler spacecraft 46 planets orbiting 46 galaxy NGC 46 Cassini Huygens spacecraft 46 CoRoT satellite 46 docked flawlessly 45 engineer Oleg Kononenko 45 Neptune Uranus 45 heavily cratered 45 orbital inclination 45 Shenzhou VI capsule 45 Impact Probe MIP 45 EPOXI spacecraft 45 Kepler 9b 45 PSR J# 45 CHIPSat 45 Viking orbiters 45 Atlantis undocks 45 heaviest payloads 45 comet Hale Bopp 45 constellation Sagittarius 45 interplanetary spacecraft 45 geosynchronous satellite 45 Space Capsule 45 deorbited 45 Bug Nebula 45 NROL 45 constellation Puppis 45 BLG #Lb 45 unmanned spaceplane 45 Dnepr rocket 45 Saturn Jupiter Uranus 45 orbiting spacecraft 45 Geosynchronous orbit 45 celestial sphere 45 Wolf Rayet star 45 CALIPSO satellites 45 Shenzhou VII spacecraft 45 rotating neutron 45 stationary lander 45 Baikonur Kazakhstan 45 perigee 45 constellation Libra 45 suborbital trajectory 45 Solar TErrestrial RElations Observatory 45 flyby 45 Endeavour undocks 45 Shenzhou VI craft 45 Red Rectangle 45 Rosetta orbiter 45 protoplanet 45 Russian cosmonaut Yuri Usachev 45 Russian Nikolai Budarin 45 Iridium satellites 45 Martian orbit 45 lunar surface 45 retrograde orbits 45 icy moons 45 constellation 45 Global Surveyor 45 constellation Lacerta 45 X ray telescopes 45 Shoemaker Levy 45 geostationary satellites 45 comet chaser 45 elliptical polar 45 Fomalhaut 45 CoRoT 7b 45 trans Neptunian objects 45 spacecraft Hayabusa 45 GA6 45 Soyuz rocket carrying 45 elongated orbits 45 Express AM# 45 weather satellite TIROS 45 Russian Yuri Malenchenko 45 HD #b [001] 45 synchronous polar 45 comet Wild 45 Shenzhou capsule 45 globular cluster M# 45 Ring Nebula 45 orbiting Kepler telescope 45 INSAT 4A 45 hourlong descent 45 satellite Vinasat 45 Huygens descent 45 BLG #L 45 orbiter Mars Odyssey 45 Mars landers 45 orbit insertion 45 Vinasat 45 Hubble Space Telescope HST 45 Titan IVB 45 geostationary satellite 45 Henize #-# 45 arcseconds 45 onboard Chandrayaan 44 Beta Pictoris b 44 geosynchronous satellites 44 Russian Valery Tokarev 44 Pleiades star 44 2F rocket 44 constellation Hercules 44 Kuiper Belt objects 44 lunar module Eagle 44 planet Uranus 44 Eta Carinae 44 IRAS #-# 44 Glonass M 44 HD# [002] 44 orbiting gamma ray 44 red supergiant 44 waxing gibbous 44 Jovian moons 44 orbited Jupiter 44 Rosetta comet chaser 44 Frank Borman 44 Andromeda galaxy 44 unmanned Shenzhou 44 geosynchronous transfer orbit 44 Skynet 5B 44 Jupiter Uranus 44 Interstellar Boundary Explorer 44 northern arctic plains 44 unmanned probes 44 Spacewalkers Scott Parazynski 44 globular clusters 44 galaxy 44 moons orbiting Saturn 44 Cancri 44 moon Io 44 interstellar dust samples 44 Japan Hayabusa spacecraft 44 Lunar Prospector 44 ATV Johannes Kepler 44 Cosmodrome 44 starburst galaxy 44 occultations 44 Kuiper belt objects 44 Mars rovers Spirit 44 payload fairing 44 orbital insertion 44 distant galaxy 44 Manned missions 44 spiral galaxy Messier 44 space module Tiangong 44 Fermi telescope 44 LAGEOS 44 Soyuz Fregat 44 robotic spacecraft 44 Pluto Charon 44 spaceplane 44 solar radii 44 Lunar Reconnaissance Orbiter LRO 44 eclipsing binary 44 Galileo spacecraft 44 Corot 7b 44 gibbous 44 Mikhail Tyurin 44 Sacred Vessel 44 aboard Soyuz spacecraft 44 axial tilt 44 Mars Neptune Uranus 44 chief Vladimir Solovyov 44 IBEX spacecraft 44 Infrared Astronomical Satellite 44 Remote Sensing Satellite 44 Lunar Module Pilot 44 outer planets 44 planets circling 44 crewed spacecraft 44 gamma ray observatory 44 galactic mergers 44 Ranging MESSENGER spacecraft 44 Geosynchronous Transfer Orbit 44 Anisotropy Probe WMAP 44 fainter 44 Cosmic Background Explorer 44 Russian cosmonaut Alexander Kaleri 44 PSLV C 44 astronomer Clyde Tombaugh 44 Viking landers 44 SOHO spacecraft 44 orbital radius 44 planet TrES 44 WMAP satellite 44 exoplanet orbiting 44 spacecrafts 44 geosynchronous 44 XO 3b 44 Climate Orbiter 44 comet 44 Tanegashima Space Center 44 shuttle Discovery blasted 44 Comet #P 44 planet HD #b 44 SCISAT 44 Vostok 3KA 44 moonwalkers 44 largest moon Charon 44 Kuiper Belt Object 44 Mars Uranus 44 constellation Aries 44 orbiting Mars 44 gaseous planets 44 Gerhard Schwehm 44 AUs 44 rovers Spirit 44 Minotaur rocket 44 orbiting satellites 44 neighboring Andromeda galaxy 44 Proba 2 44 planets asteroids 44 GJ#b 44 CDR SO 44 Comet #P/Churyumov-Gerasimenko 44 protostar 44 constellation Aquila 44 Foton M3 spacecraft 44 Mars Reconnaissance Orbiter MRO 44 Deep Impact craft 44 gravitational interactions 44 orbiting Gliese 44 luminous galaxies 44 Yang Liwei piloted 44 Wilkinson Microwave Anisotropy Probe 44 #/#-ton truss 44 Titan flyby 44 Koreasat 44 Shackleton crater 44 orbital resonance 44 lunar orbiter Chang'e 44 dubbed taikonauts 43 Insat 4A 43 stellar occultation 43 Yuri Malenchenko 43 Deep Impact probe 43 spacecraft Shenzhou 43 parachutes malfunctioned 43 Taurus Littrow Valley 43 Perseid shower occurs 43 Puppis 43 telescope Uranus 43 Aboard Atlantis 43 Hubble orbits 43 HiRISE camera aboard 43 Sputnik beeped 43 constellation Aquarius 43 Martian rovers 43 Russian crewmate Yuri 43 Lutetia 43 COMSATBw 43 Fengyun 1C 43 Shuttle Atlantis blasts 43 Swift Tuttle 43 constellation Monoceros 43 unpowered glider 43 Discovery undocked 43 Itokawa 43 Orionids 43 Halley Comet 43 SIRTF 43 NASA LCROSS 43 circumstellar disks 43 Huygens lander 43 Pegasi b 43 ISS Expedition 43 transiting planet 43 constellation Auriga 43 comet #P/Churyumov-Gerasimenko 43 SMOS 43 lunar orbiter 43 Manned Spacecraft Center 43 Kosmos 3M rocket 43 Lunar CRater Observation 43 extrasolar planet 43 interstellar dust 43 Edwin Aldrin 43 Redu Belgium 43 lunar equator 43 Infrared Pathfinder Satellite 43 SuitSat 43 Compton Gamma Ray 43 VIRTIS 43 super Earths 43 asteroids comets 43 Gerard Kuiper 43 SJ #F 43 Sun synchronous orbit 43 orbiting Saturn 43 Chiaki Mukai 43 Insat 3A 43 perigee nearest point 43 polar orbits 43 orbital velocity 43 constellation Cygnus 43 orbited aboard 43 intrinsic brightness 43 Astra 1L 43 satellite Kwangmyongsong 2 43 PSLV C9 43 constellation Vulpecula 43 Ultraviolet Imaging Spectrograph UVIS 43 mission Chandrayaan 43 supergiant star 43 perigee closest 43 Glonass satellites 43 Russian Soyuz Fregat 43 rover Sojourner 43 MetOp satellite 43 unstowed 43 XMM Newton X ray 43 LORRI 43 Dumbbell Nebula 43 Unha 2 43 astronaut Eugene Cernan 43 geosynchronous transfer 43 INSAT 4B 43 Neutron stars 43 Kepler #b 43 CARTOSAT 43 Russians Alexander Kaleri 43 robotic rovers 43 Naoko Yamazaki 43 jovian 43 moon Deimos 43 Akatsuki engines 43 constellation Taurus 43 aboard Vostok 43 Infrared Astronomical Satellite IRAS 43 Apollo missions 43 spacecraft Chandrayaan 1 43 interplanetary 43 globular cluster 43 Herschel Space Telescope 43 magnetars 43 Plesetsk 43 Kepler telescope 43 Galilean satellites 43 Block 5D 43 Scorpius 43 Epoxi 43 #/#-minute climb 43 asteroid 43 Atlas IIAS 43 asteroid Eros 43 meteoroid 43 humanoid robot R2 43 Hayabusa probe 43 Russian cosmonauts Oleg Skripochka 43 manned orbital 43 Shenzhou V capsule 43 moon Phobos 43 Kazakhstan barren steppe 43 SAR Lupe 43 km perigee nearest 43 geostationary 43 Mandushev 43 Oort Cloud 43 O OREOS 43 Soyuz spacecraft docked 43 Dnepr rocket carrying 43 Jupiter Saturn Uranus 43 Europa Orbiter 43 celestial phenomena 43 Samokutyaev 43 Gliese #c 43 luminosities 43 remote sensing satellite Resourcesat 43 GSLV rockets 43 Pleiades 43 spiral galaxy NGC 43 comet Shoemaker Levy 43 Geosynchronous Transfer Orbit GTO 43 protoplanets 43 P Churyumov Gerasimenko 43 ALMA antennas 43 Venus Neptune Uranus 43 Makemake 43 Foton spacecraft 43 MetOp 43 planets 43 Charon Pluto 43 Fregat upper stage 43 undocks 43 highly magnetized neutron 43 Hot Jupiters 43 Odyssey orbiter 43 spiral galaxy 43 unaided eye 43 polar orbiting 43 Chairman G Madhavan 43 Earth orbiting satellites 43 prograde 43 elliptical galaxy NGC 43 constellation Ara 43 GEochemistry 43 Mercury Uranus 43 specialists Scott Parazynski 43 Baikonur Cosmodrome 43 silicon monoxide 43 aspecting 43 Kepler Telescope 43 extravehicular activities 43 Lt. Col. Yang Liwei 42 Pleiades cluster 42 exoplanet hunter 42 Resourcesat 2 42 Samuel Oschin Telescope 42 satellite Sputnik 42 Virgo cluster 42 Yury Malenchenko 42 V# Mon 42 Ocean Salinity 42 hydrazine thrusters 42 Satellite Launch Vehicle 42 waxing crescent 42 QQ# 42 planet Gliese 42 Evolution Explorer 42 Andromeda Galaxy 42 orbiting observatories 42 XTE J# 42 waning crescent 42 Milky Way galaxy 42 Mpc 42 Earth radii 42 Shuttle undocks 42 Orbiter MRO 42 spaceship 42 Soyuz FG 42 Beidou 42 aboard Soyuz TMA 42 cometary debris 42 Konacki 42 km perigee 42 manned lunar landing 42 Very Large Telescope 42 Cassini flyby 42 galactic halo 42 geo synchronous orbit 42 Gliese #d 42 Neptune Jupiter 42 planetary orbits 42 bone jarring descent 42 Ulysses spacecraft 42 spaceflight participant 42 Gene Cernan 42 particle detector 42 sunlike stars 42 millisecond pulsars 42 telescope orbits 42 Rusty Schweickart 42 constellation Cassiopeia 42 Messenger spacecraft 42 Fei Junlong 42 photosphere 42 apogee farthest point 42 constellation Eridanus 42 Rockot launch 42 Venusian 42 mock warhead 42 comet flyby 42 Shenzhou IV 42 Meteosat 42 Wilkinson Microwave Probe 42 Coma Cluster 42 mooncraft 42 thrilling stargazers 42 NOAA GOES 42 Saturn Uranus 42 Scorpii 42 Phobos Grunt 42 traveled spaceship thundered 42 meteorological satellites 42 geostationary earth 42 Orbital Express 42 Geo IK 42 Divine Vessel 42 Shuttle Discovery blasts 42 dirty snowballs 42 Kuiper Belt Objects 42 Magnetars 42 celestial equator 42 ROSAT 42 geosynchronous GEO 42 look distractingly cartoony 42 aboard Atlantis 42 active galactic nuclei 42 demoted Pluto 42 mesosphere 42 Milstar II 42 PSR B# 42 Small Magellanic Cloud 42 comets asteroids 42 SBSS satellite 42 lunar orbiters 42 LRO spacecraft 42 ESA Herschel 42 Walter Schirra 42 Jupiter magnetosphere 42 Comet Hartley 2 42 WD5 42 orbiters 42 Russian cosmonaut Yuri Gagarin 42 Jupiter flyby 42 coronal mass ejection 42 THEMIS spacecraft 42 MEASAT 3a 42 Endeavour docked 42 merging galaxies 42 veteran spaceflyer 42 Coma cluster 42 Titan 4B 42 NASA Lunar Prospector 42 distant quasar 42 Baikonur Cosmodrome Kazakhstan 42 gravitational tides 42 Kwajalein Island 42 docking compartment 42 Terrestrial Planet Finder 42 Kaguya probe 42 Russian Yuri Lonchakov 42 Russian cosmonaut Yuri Malenchenko 42 protoplanetary disk 42 Commander Leroy Chiao 42 impactor spacecraft 42 Andrei Borisenko 42 Nasa Mars Reconnaissance 42 umbral 42 Giove B 42 dwarf galaxy 42 geostationary communications 42 Baikonur space 42 reconnaissance orbiter 42 lunar orbiter Chandrayaan 42 smallest exoplanet 42 Mars Color Imager 42 PSLV C# 42 SKY WATCH 42 Virgo Cluster 42 distant quasars 42 Valery Tokarev 42 Planck spacecraft 42 Kourou spaceport 42 astronauts Zhai Zhigang 42 Daniel Tani 42 zodiac constellations 42 Jing Haipeng 42 suborbital flight 42 Canadian Julie Payette 42 RQ# 42 PSLV C# rocket 42 Optus D2 42 astronauts Jing Haipeng 42 astronaut Owen Garriott 42 Russian Dnepr rocket 42 Orbiter LRO 42 Hubble 42 RX J# 42 GEO satellites 42 lunar module pilot 42 ESA Rosetta 42 retrogrades 42 Ron Garan 42 Optus D3 42 Space Agency 42 Mars Opportunity rover 42 Beidou satellite 42 SpaceX Falcon 42 star Proxima Centauri 42 Jean Pierre Lebreton 42 twin STEREO spacecraft 42 Mars Jupiter Uranus 42 planetoid 42 interacting galaxies 42 coastal Naro 42 constellation Ophiuchus 42 ARRL AMSAT 42 binary quasar 42 Yinghuo 1 42 pioneered manned spaceflight 42 Arabsat 5A 42 WISE telescope 42 Oort cloud 42 transiting planets 41 GJ #b [002] 41 Wolf Rayet stars 41 Deep Impact comet 41 Yang Liwei 41 magnetotail 41 rotational axis 41 FASTSAT 41 Lyra constellations 41 terrestrial planets 41 X ray observatory 41 Alexander Samokutyayev 41 Virgil I. 41 elliptical galaxy 41 extrasolar planets 41 #P/Churyumov-Gerasimenko 41 infrared wavelengths 41 Soviet cosmonaut Valentina Tereshkova 41 Butterfly Nebula 41 Vehicle PSLV 41 Cassini spacecraft orbiting 41 cosmological distances 41 COSMO SkyMed 41 Martian moons Phobos 41 steerable beam 41 THEMIS satellites 41 PSLV 41 International Space Station 41 Progress resupply 41 Atlas V 41 BP Piscium 41 Soyuz docked 41 exo planets 41 Perseid shower 41 planetary nebulae 41 Jiuquan Satellite Launch 41 Mars 41 redshifted 41 Commander Charlie Hobaugh 41 Permanent Multipurpose Module PMM 41 particle physics detector 41 Hayabusa spacecraft 41 Eridani 41 Donald Deke Slayton 41 pressurized module 41 supernova SN 41 Soyuz rocket 41 Pegasi 41 stellar occultations 41 Tarantula nebula 41 NASA twin STEREO 41 lensing galaxy 41 Salizhan Sharipov 41 Lulin 41 LCROSS spacecraft 41 HEO payload 41 pad #A 41 P/# A2 41 proto galaxies 41 cosmic ray detector 41 orbital solitude 41 S/# [001] 41 protoplanetary disks 41 DSCS III 41 NASA Kepler telescope 41 planetesimals 41 twin rovers Spirit 41 tidally locked 41 shuttle Discovery undocked 41 Orion Nebula 41 dwarf spheroidal 41 Earth magnetotail 41 NASA GeneSat 1 41 Omega Centauri 41 FORMOSAT 41 Mars Odyssey orbiter 41 Hubble telescope 41 planetary nebula 41 Astronaut Leroy Chiao 41 Discovery undocks 41 accretion disks 41 equinox occurs 41 Soyuz TMA spacecraft 41 Comet Hale Bopp 41 COROT 7b 41 AGNs 41 cluster NGC 41 interstellar dust grains 41 NASA Deep Impact 41 Tempel Tuttle 41 Envisat satellites 41 red supergiants 41 ringed planet 41 KAGUYA 41 outer corona 41 nicknamed Xena 41 Shenzhou spacecraft 41 olivine mineral 41 quasars 41 constellation Andromeda 41 moonlet 41 Samokutyayev 41 spherically symmetric 41 ASTRA 1L 41 orbiting telescopes 41 GOCE satellite 41 Rockot launcher 41 Earthlike planet 41 remote sensing satellites 41 Venus Uranus 41 Fincke radioed 41 mineralogical mapping 41 beachball sized 41 Dragon capsule 41 Kwangmyongsong 41 umbral shadow 41 planets orbiting stars 41 satellites orbiting Earth 41 #/#-hour spacewalk [001] 41 galaxies 41 shuttle Atlantis astronauts 41 Hispasat 1E 41 Nili Fossae 41 planetoids 41 gravitational pulls 41 Capricornus 41 asteroid Ceres 41 Solar Terrestrial Relations 41 gravitational pull 41 Late Heavy Bombardment 41 Keck telescope 41 starlike object 41 Discovery STS 41 space shuttle undocked 41 Judy Resnik 41 Astronaut Peggy Whitson 41 LEO satellites 41 Roman Romanenko 41 Servicing Mission 41 flyby Cassini 41 Lunar Crater 41 planets orbiting distant 41 Anik F2 41 Comet 9P/Tempel 1 41 Astronaut Randolph Bresnik 41 Cloud Aerosol Lidar 41 Pirs Docking Compartment 41 Ken Bowersox 41 Curiosity rover 41 barred spiral galaxy 41 taikonaut Yang Liwei 41 moon 41 Eyharts 41 Japan Kibo laboratory 41 supergiant stars 41 Mars Uranus Neptune 41 SIM PlanetQuest 41 Baikonour Cosmodrome 41 Cape Canaveral Air Force 41 Vladimir Komarov