Related by context. All words. (Click for frequent words.) 61 Rick Grammier Deep Impact 58 Peter Theisinger 57 Pete Theisinger 56 interplanetary spacecraft 56 Jean Pierre Lebreton 56 William Irace 55 Director Charles Elachi 55 Bob Ess 55 Gerhard Schwehm 55 Junichiro Kawaguchi 54 Andrea Accomazzo 54 Kepler spacecraft 54 Peter Eisenhardt 54 Richard Grammier 54 Fuk Li Mars 54 Jean Pierre Lebreton ESA 54 Simonetta Di Pipo 53 manager Pete Theisinger 53 MARSIS radar 53 Craig Tooley LRO 53 Donald Yeomans 53 spacecraft 53 twin rover Opportunity 52 Charles Elachi 52 unmanned probes 52 director Charles Elachi 52 Bill Patzert climatologist 52 Chuck Dovale 52 Preston Burch 52 Mark N. Sirangelo 52 Bob Bagdigian 52 Ulysses spacecraft 52 Jupiter Icy Moons Orbiter 52 Ed Weiler NASA 51 Bernard Foing 51 Curiosity rover 51 LCROSS mission 51 Mars rovers Spirit 51 Nasa Jet Propulsion 51 Ed Weiler 51 GeneSat 51 Jet Propulsion Laboratory JPL 51 Manned missions 51 NASA Jet Propulsion Lab 51 Charles Beichman 51 SMOS mission 51 NuSTAR 51 Mike Suffredini NASA 51 Huygens mission 51 lunar landers 51 WISE spacecraft 51 planetary missions 51 Firouz Naderi 50 Richard Vondrak 50 GOES satellites 50 Jennifer Ngo Anh 50 JAXA 50 Mars Color Imager 50 Upsilon Andromedae b 50 Dave Zanetell 50 planetary Transits 50 Martian rovers 50 David Wettergreen 50 robotic rovers 50 Ron Dittemore shuttle 50 Chandrayaan II 50 James Fanson 50 Nasa spacecraft 50 Mars landers 50 Bill Gerstenmaier associate 49 Pete Hasbrook 49 Richard Zurek 49 NASA Jet Propulsion Laboratory 49 HiRISE image 49 Mark Uhran NASA 49 duration spaceflights 49 Mars orbiter 49 Jim Paulsen SSME 49 NASAs 49 Mars Squyres 49 Phobos Grunt 49 SIRTF 49 permanently shadowed crater 49 Bramley Murton 49 Cygnus Lyra region 49 gamma ray observatory 49 Mars Surveyor 49 SIM PlanetQuest 49 ExoMars rover 49 Richard Gilbrech 49 Suzaku X ray 49 Martian arctic 49 Rick Grammier 49 airglow 49 JPL 49 Carl Marchetto 49 Wolszczan 49 SELENE probe 49 Bill Borucki Kepler 49 shuttle orbiter 49 Cryosat 49 climatologist Bill Patzert 49 Jennifer Trosper mission 49 Don Sweetnam 49 GOES O 49 Comet Churyumov Gerasimenko 49 Landsat satellites 49 LADEE 48 Jet Propulsion Laboratory 48 twin Voyager spacecraft 48 NASA Stratospheric Observatory 48 STEREO mission 48 SMOS 48 Kepler Mission 48 moons Phobos 48 Mars rovers 48 Jupiter icy moons 48 robotic lander 48 Itokawa 48 laser altimeter 48 orbital rendezvous 48 Mars rover 48 lunar equator 48 spokesman Michael Braukus 48 Saturn Cassini 48 O OREOS 48 Vassilis Angelopoulos 48 electric ion propulsion 48 Tropospheric Emission Spectrometer 48 exobiology 48 interplanetary missions 48 extrasolar 48 Kirk Shireman 48 Svedhem 48 Diviner instrument 48 Bruce Jakosky 48 Europa Orbiter 48 Eric Becklin 48 Stephanie Stilson NASA 48 infrared astronomy 48 Interior Laboratory GRAIL 48 subsurface ocean 48 Terrestrial Planet Finder 48 EPOCh 48 Joel Montalbano 48 Uninhabited Aerial Vehicle 48 Tropical Rainfall Measuring 48 APXS 48 Chikai Ohazama Google 48 Steve Squyres 47 Solar TErrestrial RElations Observatory 47 MARSIS instrument 47 Rick Gilbrech 47 Yoshiyuki Hasegawa 47 Son Nghiem 47 Ares IX rocket 47 ballistic trajectory 47 Jon Giorgini 47 NASA THEMIS 47 ADM Aeolus 47 Kepler 9c 47 Mike Leinbach shuttle 47 meteoritic material 47 Planck satellite 47 NLSI 47 Martian arctic plains 47 Berinstain 47 Kirk Shireman deputy 47 windshield wiper maneuver 47 NASA 47 Amol Sarwate 47 Cosmic Microwave Background 47 Phil Engelauf 47 Marc Rayman 47 NASA Kepler telescope 47 Earth orbit 47 Ronald Dittemore 47 WISE telescope 47 Hakan Svedhem 47 Alfred McEwen 47 Michael Zolensky 47 Mars Surveyor Operations 47 Planck spacecraft 47 orbiter 47 potentially habitable planets 47 Mars Reconnaissance Orbiter 47 Jean Pierre Lebreton Huygens 47 robotic landers 47 Engelauf 47 Ed Sedivy Phoenix 47 geosynchronous 47 Jim Corgel general 47 MTSAT 1R 47 Venusian surface 47 Mate Adamkovics 47 aboard Taurus XL 47 Laboratory Pasadena 47 William Readdy NASA 47 Shuttle Discovery docks 47 Jet Propulsion Lab 47 lunar meteorites 47 Valles Marineris canyon 47 Opportunity Mars rover 47 asteroid Vesta 47 Fomalhaut b 47 stabilizing gyroscopes 47 Gian Luca Bona 47 scientist Anthony Colaprete 47 DEPTHX 47 Mars Odyssey spacecraft 47 Hubble gyroscopes 47 Orbiter 47 NASA Mars rover 47 Foton M2 47 Altair lunar lander 47 Hubble Space Telescope HST 47 Earthscope 47 Mike Suffredini 47 Werthimer 47 COROT 47 albedo reflectivity 47 Kounotori vehicle 47 moon Europa 47 THEMIS satellites 47 Cargo Launch Vehicle 47 robotic spacecraft 47 Eagle lunar lander 47 David Southwood ESA 47 lunar regolith 47 GOSAT 47 rovers 47 HiRISE camera aboard 46 crewed spacecraft 46 JWST 46 EPOXI mission 46 Boris Morukov 46 Zeta Ophiuchi 46 OSIRIS REx 46 Endurance crater 46 Hayabusa probe 46 Linear Acceleration 46 Cancri e 46 Fermi telescope 46 geosynchronous satellite launch 46 Cabeus crater 46 Keyur Patel 46 Ares IX 46 Stardust NExT 46 Orbiting Carbon Observatory OCO 46 Yinghuo 1 46 onboard Chandrayaan 46 NASA rovers Spirit 46 MARSIS 46 GSAT 5P 46 ship thermal shielding 46 lunar missions 46 ICESCAPE 46 Upsilon Andromedae 46 Elachi 46 robotic explorer 46 Spirit Mars rover 46 rover Opportunity 46 Dan Werthimer 46 rover 46 Rich Zurek 46 PSLV rocket 46 comets orbiting 46 William Gerstenmaier 46 Applied Physics Laboratory 46 hypersonic speeds 46 Discovery undocks 46 spacecraft orbited 46 Philae lander 46 polar orbiting satellites 46 Laurie Leshin 46 CloudSat 46 Squyres Cornell 46 Mars moon Phobos 46 Shuttle Discovery blasts 46 Martin Tomasko 46 lander 46 lunar perigee 46 satellites orbiting Earth 46 geostationary 46 Derek Hassmann 46 Oleg Ivanovsky 46 Stratospheric Observatory 46 Jennifer Heldmann 46 enters lunar orbit 46 Earth ionosphere 46 #P/Churyumov-Gerasimenko 46 binary asteroid 46 LCROSS 46 Michael Studinger 46 twin rover Spirit 46 telescopic observations 46 comet flyby 46 Polar Epsilon 46 asteroseismology 46 Pan STARRS 46 lander rover 46 Hubble orbits 46 Martian terrain 46 LRO spacecraft 46 dexterous robot 46 NPO Lavochkin 46 INSAT 3D 46 Shuttle Endeavour undocks 46 Cygnus spacecraft 46 Ares IY 46 Bruce Banerdt 46 Jonathan Lunine 46 Orbiter LRO 46 Ghassem Asrar 46 Mastcam 46 Ed Sedivy 46 Paul Spudis 46 Kepler observatory 46 Shuttle Endeavour docks 46 habitable worlds 46 Shenzhou spacecraft 46 Mars Atmosphere 46 Alycia Weinberger 46 M. Annadurai 46 NASA Lunar Crater 46 Mars northern latitudes 45 Ralph McNutt 45 moon Phobos 45 Henry Gholz 45 deorbiting 45 Konacki 45 Charles Elachi director 45 Shackleton Crater 45 CHIPSat 45 Astrobotic 45 asteroid flyby 45 NASA Kepler 45 Lunar Reconnaissance Orbiter LRO 45 smallest exoplanet 45 Gamma ray burst 45 axial tilt 45 gaseous planet 45 Nasa Kepler 45 JPL manages 45 HiRISE camera 45 remote sensing satellite Resourcesat 45 irregularly shaped asteroid 45 super perigee moon 45 twin rovers 45 Isidis Planitia 45 BepiColombo 45 Joel Sitz 45 Greenbelt Md. manages 45 robotic probes 45 particle detector 45 Orbital Express 45 Grammier 45 Microscopy Electrochemistry 45 UCO Lick 45 GSLV D3 45 Rosetta spacecraft 45 scientist Bernard Foing 45 lunar crust 45 LeRoy Cain chairman 45 Orbiter MRO 45 Eta Aquarid meteor shower 45 Jupiter Icy Moons 45 scramjet engines 45 Interorbital Systems 45 Odyssey orbiter 45 planet magnetosphere 45 Von Frese 45 Alex Priskos 45 OSIRIS Rex 45 GLAST telescope 45 lunar orbits 45 bedrock outcropping 45 Samuel Oschin Telescope 45 plucky rover 45 GLAST 45 Lunar Prospector 45 situ measurements 45 orbiters 45 Jay Famiglietti 45 Jovian moon 45 AERONET 45 Astronautical Science 45 Martian lander 45 tidal bulge 45 navigate autonomously 45 Martian rover 45 asteroids orbiting 45 geosynchronous orbit 45 Bill Gerstenmaier NASA 45 engineer Timothy Kopra 45 Madhulika Guhathakurta 45 constellation Eridanus 45 GSLV rocket 45 Shepherding Spacecraft 45 Global Precipitation Climatology 45 Rex Geveden 45 rover panoramic 45 CALIPSO satellites 45 Churyumov Gerasimenko 45 PASADENA Calif. NASA 45 Raymond Jeanloz 45 SBSS satellite 45 orbiting observatory 45 Mars Odyssey mission 45 Foton spacecraft 45 Lee Lueng Fu 45 Isro 45 IBEX spacecraft 45 Ken Bowersox 45 Don Yeomans 45 manned lunar 45 sized planets orbiting 45 Shuttle undocks 45 lunar craters 45 Kulcinski 45 Global Surveyor 45 ion propulsion 45 planets orbiting distant 45 ENose 45 Bill Readdy NASA 45 rover Spirit landed 45 Planetary Physics 45 Martian equator 45 Dean Pesnell 45 Cleon Lacefield Lockheed Martin 45 Jay Zwally 45 Cryospheric Sciences Branch 45 coronal loops 45 Bryan Lunney 45 martian surface 45 moon landers 45 extrasolar planetary systems 45 SOHO spacecraft 45 Stardust NExT mission 45 Eric Rignot 45 Dan Durda 45 orbiting gamma ray 45 Opportunity rovers 45 Igor Mitrofanov 45 Saturnian moon Titan 45 Mars rover Opportunity 45 Convection Rotation 45 Jeffrey Bada 45 astrobiological 45 Nasa 44 highly elliptical orbits 44 MetOp satellite 44 Ellen Stofan 44 Mars orbiting spacecraft 44 Kepler telescope 44 Gliese #G 44 waxing crescent 44 Waleed Abdalati 44 Sun synchronous orbit 44 NASA Stardust spacecraft 44 BioServe Space Technologies 44 rover Spirit 44 Mars lander 44 X ray Spectrometer 44 Omar Baez 44 Solar Orbiter 44 LeRoy Cain 44 Earthlike planets 44 Mars Climate Sounder 44 Rosetta orbiter 44 GJ#b 44 RBSP 44 TDRS K 44 Foton M3 44 ESA Planck 44 Shuttle Atlantis blasts 44 Erik Asphaug 44 Pluto Kuiper Belt 44 Sirangelo 44 TEGA instrument 44 Megha Tropiques 44 Victoria Crater 44 Geosynchronous 44 Technology JAMSTEC 44 Infrared Astronomy 44 martian atmosphere 44 extrasolar planets orbiting 44 Mars Pathfinder lander 44 lunar crater 44 Opportunity rover 44 heliophysics 44 PharmaSat 44 Spaceguard Survey 44 Linda Spilker Cassini 44 Flyby spacecraft 44 ExoMars mission 44 HIAPER 44 orbiting telescope 44 manager Gerhard Schwehm 44 Steven Squyres 44 SMOS Soil Moisture 44 exoplanetary 44 Pirs module 44 John Brunschwyler Taurus 44 lunar spacecraft 44 Joe Melko 44 propulsion subsystem 44 microshutters 44 GOES N 44 Pete Nickolenko 44 icy moons 44 extrasolar planet 44 Tanegashima Space Center 44 Sojourner rover 44 LCROSS spacecraft 44 JIMO 44 Earthlike planet 44 Larry Soderblom 44 Titan flybys 44 Craig Cooning vice 44 Thermal Emission Spectrometer 44 Titan flyby 44 arctic plains 44 fiery reentry 44 ESA Rosetta 44 SBIRS GEO 44 Solid Rocket Boosters 44 Faint Object 44 Michael Flasar 44 STSS Demo 44 asteroids Ceres 44 NEEMO 44 microgravity experiments 44 spaceplane 44 Gravity Probe B 44 unmanned spacecraft 44 mineralogical composition 44 orbiting spacecraft 44 Galilean satellites 44 rovers Spirit 44 NASA WMAP 44 Kiruna Sweden 44 Lick Observatory 44 synchronous orbit 44 High Altitude Airship 44 Manfred Kerschbaum senior 44 orbiter lander 44 Steve Thiesfeld 44 Ares I. 44 Mandushev 44 Gaele Winters 44 Alexei Krasnov 44 Carey Lisse 44 Deep Impact comet 44 Saturn Enceladus 44 Viking orbiters 44 celestial sphere 44 H IIB 44 GeneSat 1 44 orbit GEO 44 twin Mars rovers 44 Operations Bill Gerstenmaier 44 STEREO spacecraft 44 GPS Block IIF 44 Michael Kostelnik 44 Lori Bestervelt 44 polar craters 44 observing satellites 44 orbiting Kepler telescope 44 planetary transits 44 spaceborne 44 Bruce Wielicki 44 Extrasolar planets 44 VASIMR engine 44 neutron spectrometer 44 Jagran Prakashan Limited 44 Cassini Huygens 44 exoplanets planets 44 astrobiology scientist 44 ESA GOCE 44 lunar orbiters 44 Corot 7b 44 Libra constellation Vogt 44 thruster 44 CoRoT 9b 44 NASA Jet Propulsion 44 NFIRE satellite 44 Martian crater 44 shadowed craters 44 planetary exploration 44 Orion spacecraft 44 spacefarers 44 Marcello Coradini 44 autonomous rendezvous 44 PSLV C 44 DIXI 44 infrared telescopes 44 polar orbiting 44 spokesman Allard Beutel 44 William Gerstenmaier NASA 44 sunlike stars 44 UAVSAR 44 Theisinger 44 atmospheric reentry 43 Keck Interferometer 43 Space Interferometry Mission 43 Astronauts inspect 43 New Horizons spacecraft 43 aerobraking 43 John Brunschwyler 43 particle colliders 43 circumlunar 43 Mike Leinbach 43 Jeffrey Kargel 43 ICESat 43 hardware Theisinger 43 Soyuz spaceship 43 NASA rovers 43 Quadrantid meteor shower 43 Shuttle docks 43 RKK Energia 43 Palomar Observatory 43 Mirelson 43 Orion CEV 43 Zhang Jianqi 43 Krimigis 43 neutrino detectors 43 EarthScope 43 Pascale Ehrenfreund 43 Planetary Transits 43 spokesperson Allard Beutel 43 Giove B 43 Galileo spacecraft 43 Gusev crater 43 Gravity Probe 43 orbiting 43 occultations 43 earth orbiting satellites 43 Synthetic Aperture Radar 43 Gliese #c 43 Planck telescope 43 Atlantis undocks 43 polar vortex 43 Jovian moons 43 orbital maneuvers 43 xenon propellant 43 ASTMAX Futures Co. 43 ARRL AMSAT 43 Shuttle Discovery undocks 43 Sensing Satellite LCROSS 43 Binary Colloidal Alloy 43 planets Uranus 43 Shuttle Discovery arrives 43 Robotic Exploration 43 spokesman Kiyotaka Yashiro 43 Foing 43 Ocean Salinity 43 Delta Cephei 43 NEOSSat 43 Ofeq 43 Bindschadler 43 Hematite Slope 43 Mössbauer spectrometer 43 Epsilon Eridani 43 Nasa Goddard Space 43 Marybeth Edeen 43 Voyager probes 43 Stardust capsule 43 NASA LCROSS 43 Vostok spacecraft 43 Jun Fukashiro bond 43 CALIPSO 43 tumbleweed rover 43 FASTSAT 43 deorbit 43 Herschel Space 43 Moffet Field 43 radial velocity method 43 Follett Pillars 43 Linda Resseguie BLM 43 Comet Machholz 43 spacecraft Chandrayaan 1 43 EPOXI spacecraft 43 Caltech manages 43 extrasolar planetary 43 hydrosphere 43 geo synchronous 43 orbiting observatories 43 Christopher Chyba 43 Delfi C3 43 Joel Sitz project 43 asteroid Steins 43 waning crescent 43 orbital insertion 43 X ray spectrometer 43 Uranus Jupiter 43 magnetic spectrometer 43 orbital maneuvering 43 International Space Station 43 Thirty Meter Telescope 43 GLAST spacecraft 43 Atlantis Undocks From 43 GSLV D3 rocket 43 Virgin Galactic unveils 43 AMPERE 43 asteroidal 43 Michoud La. 43 NASA Far Ultraviolet 43 twin rovers Spirit 43 Jill Tarter 43 budging Wheelock told 43 BLG #Lb 43 Johns Hopkins Applied Physics 43 MESSENGER spacecraft 43 AKARI 43 Space Infrared Telescope 43 Spacehab module 43 Cape Canaveral Nasa 43 SCISAT 43 High Altitude Observatory 43 Joe Veverka 43 orbital velocity 43 Kirk Shireman NASA 43 drogue parachute 43 Cassini ultraviolet 43 Vehicles Directorate 43 equatorial orbit 43 GSLV Mk III 43 Laser Interferometer Gravitational Wave 43 Colin Pillinger Beagle 43 permanently shadowed regions 43 Magnetospheric 43 Persis Drell 43 comet nucleus 43 satellites 43 geosynchronous satellites 43 Earth orbiting satellites 43 Laser Interferometer Space 43 NROL 43 CryoSat mission 43 Mars Odyssey 43 Daniel Sacotte 43 planetary atmospheres 43 comet #P/Churyumov-Gerasimenko 43 Wayne Plucker 43 Olympus Mons 43 Earth orbit LEO 43 N. Rathnasree 43 Landsat Data 43 Pasachoff 43 Orbital Taurus II 43 geo stationary orbit 43 Heliophysics 43 Sara Seager 43 chairman K. Radhakrishnan 43 Saturn moons Enceladus 43 Steve Stich 43 hematite mineral 43 MG J# +# 43 CryoSat satellite 43 hubble 43 Mars Reconnaissance Orbiter MRO 43 cosmonaut Alexander Kaleri 43 visit http:/saturn.jpl.nasa.gov 43 POES satellites 43 Helios 2B 43 Selenological 43 Charlie Precourt 43 retroreflector 43 Esrange 43 Spaceguard 43 Mission TRMM 43 CCAFS 43 Kuiper belt objects 43 Exploration Vehicle 43 JIMO mission 43 Douglas Biesecker 43 KAGUYA 43 robotic rover 43 Comet #P/Churyumov-Gerasimenko 43 NASA Kepler spacecraft 43 highly elliptical orbit 43 William Borucki 43 JPL Pasadena 43 TrES 4 43 Scott Luthcke 43 National Ignition Facility 43 ST5 43 Ryschkewitsch 43 EarthCARE 43 filamentary structure 43 SBSP 43 Yarkovsky effect 43 comets asteroids 43 ion propulsion engines 43 RXTE 43 Tom Baybrook SAIC 43 Jupiter Uranus 43 Gravitational lensing 43 VISTA telescope 43 EPOXI 43 Chandrayaan 43 Globalstar constellation 43 Space shuttle undocks 43 scramjet propulsion 43 Lunar Precursor Robotic 43 hydrostatic equilibrium 43 weather satellite TIROS 43 Neutron Detector 43 X ray observatory 43 STB Asset Management 43 Gliese #d 43 Launch Abort System 43 Mars Opportunity rover 43 XMM Newton X ray 43 Lopota 42 thrust oscillation 42 INSAT 4CR 42 Drew Shindell 42 Laboratory MSL 42 Jupiter Ganymede 42 Viking Lander 42 perilune 42 spacecraft Hayabusa 42 robotic Canadarm 42 Shuttle Atlantis docks 42 Field Infrared Experiment 42 extravehicular activities 42 planetary 42 Jene Nissen 42 EGRET 42 Drake Deming 42 Martian polar 42 William Borucki Kepler 42 Hubble servicing 42 manages JPL 42 Envisat satellites 42 AMASE 42 Taurus XL rocket 42 Nasa Ames 42 Barbara Herr Harthorn 42 cryogenic propellants 42 Crewmate Tracy Caldwell 42 GOCE 42 Bonnie Buratti 42 Cathy Peddie LRO 42 Fran Bagenal 42 Stardust spacecraft 42 Mark Sundlov 42 Centre SDSC 42 airborne observatory 42 VASIMR 42 Earth radii 42 radar altimeter 42 Kylie Clem 42 Gene Giacomelli 42 Planck observatory 42 inhabitable planets 42 Louis Stodieck 42 Martian plains 42 theoretical astrophysics 42 Eyharts 42 Shackleton crater 42 pressurized module 42 NASA Goddard 42 Jules Verne ATV 42 geostationary orbits 42 Mary Voytek 42 spacecrafts 42 Emily Lakdawalla 42 Dave Leckrone 42 ultraviolet spectrograph 42 Helioseismic 42 imaging spectrometer 42 spaceship 42 UA Lunar 42 Uranus Neptune 42 shuttle Endeavour STS 42 Nasa Mars Reconnaissance 42 Reconnaissance Orbiter 42 hypersonic glider 42 waning gibbous 42 Keennon 42 Sensing Satellite 42 Gedmark 42 astrophysical phenomena 42 ESA Huygens probe 42 exo planet 42 MWH Laboratories 42 lunar 42 Viking Orbiter 42 Rich Batiuk 42 Pegasus XL 42 Meteorological Satellite 42 Applied Physics Lab 42 shuttle Discovery STS 42 Mars Pathfinder 42 Abdalati 42 Infrared Astronomical Satellite 42 Huygens descent 42 ferrying astronauts 42 Infrared Astronomy SOFIA 42 sunlike star 42 Wallace Broecker 42 magma ocean 42 spokesman Paul Foerman 42 Kjell Karlsen 42 Ronald G. Fraass 42 Global Precipitation Measurement 42 LightSail 1 42 twin STEREO spacecraft 42 Commander Charlie Hobaugh 42 Mars# 42 Martian surface 42 M Annadurai 42 Interstellar Boundary Explorer 42 Stardust mothership 42 field Infrared Survey 42 Martian dust 42 Satish Dhawan Space 42 NASA ICESat 42 Laboratory JPL Pasadena 42 planetary scientist 42 Balyasnikov 42 Rockot launch 42 Franco Bonacina 42 sols 42 Earth Object 42 planet Gliese #g 42 Solar Terrestrial Relations 42 WMAP satellite 42 Sevastyanov 42 Launch Scrubbed 42 SSMEs 42 starboard SARJ 42 Christopher Scolese 42 simulated lunar 42 Mars rover Curiosity 42 magnetospheric 42 Margaret Leinen 42 manager Mike Suffredini 42 System SBIRS 42 circumstellar disk 42 NASA MESSENGER spacecraft 42 meteoroid 42 solar corona 42 SolarEagle 42 Galaxy Evolution 42 moonquakes 42 Shallow Subsurface Radar 42 Terrestrial Planet Finder TPF 42 HD#b 42 radioisotope thermoelectric generator 42 smoggy atmosphere 42 northern arctic plains 42 Ed Weiler associate 42 pericentre 42 microlensing events 42 magnetotail 42 Sompo Japan Asset Management 42 spokesman Barron Beneski 42 nanosatellite 42 Sibeck 42 Martian atmosphere 42 TacSat 42 commander Dmitry Kondratyev 42 Shuttle Atlantis undocks 42 planet Gliese #c 42 Casani 42 Volatile Evolution 42 Leroy Cain 42 orbiter robotic arm 42 supercomputer simulations 42 KamLAND 42 Planetary Lab 42 Mars Rover 42 Centennial Challenges 42 Bernhard Fleck 42 KSC Visitor Complex 42 Moderate Resolution Imaging 42 Atlantis robotic arm 42 Chandrayan 42 WASP #b 42 circumstellar disks 42 Rosaviakosmos 42 mooncraft 42 Jack Lissauer 42 Mewaldt 42 Cassini flyby 42 Vinasat 42 exosphere 42 administrator Bill Gerstenmaier 42 Mars rovers Opportunity 42 OSTM Jason 2 42 radial velocity technique 42 ESA XMM Newton 42 Richard Spinrad 42 Julia Slingo 42 Anthony Colaprete LCROSS