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(Click for frequent words.) 59 Rick Grammier Deep Impact 59 Jean Pierre Lebreton 58 Pete Theisinger 57 Huygens mission 57 Ed Weiler NASA 56 Charles Elachi 56 Andrea Accomazzo 55 Junichiro Kawaguchi 55 manager Pete Theisinger 55 director Charles Elachi 54 Director Charles Elachi 54 Dean Pesnell 54 ESA GOCE 54 John Callas rover 54 Mini TES 54 Orbiter LRO 54 Human Spaceflight Microgravity 54 Jeffrey Plaut 54 SMOS 53 Firouz Naderi 53 Mars Color Imager 53 Jean Pierre Lebreton ESA 53 Elachi 53 orbiting gamma ray 53 NASAs 53 MARSIS radar 52 GOCE 52 MARSIS 52 ESA Rosetta 52 visit http:/saturn.jpl.nasa.gov 52 NuSTAR 52 Greenbelt Md. manages 52 Ed Weiler 52 Mike Suffredini NASA 52 Cassini Huygens 52 planetary missions 52 Lunar Reconnaissance Orbiter LRO 52 Kepler spacecraft 52 Volker Liebig 52 astrobiological 52 David Southwood ESA 52 manager Jennifer Trosper 52 unmanned probes 52 Rich Zurek 52 Mars moon Phobos 52 Saturn Cassini 52 gamma ray observatory 52 Richard Gilbrech 52 John Brunschwyler 52 Gaele Winters 51 Grammier 51 Jean Pierre Lebreton Huygens 51 spokesman Kiyotaka Yashiro 51 Martian microbes exist 51 NASA Jet Propulsion Laboratory 51 Saturnian moon Titan 51 Lunar Prospector 51 Peter Theisinger 51 LADEE 51 Heliophysics 51 Joel Sitz project 51 spokesman Michael Braukus 51 Yoshiyuki Hasegawa 51 Mars Squyres 51 HiRISE camera aboard 51 SHARAD 51 director Chuck Dovale 51 Kepler Mission 51 Bruce Jakosky 51 Angus McCoss 51 EPOCh 51 Preston Burch 51 Gerhard Schwehm 50 ESA Mars 50 exobiology 50 Simonetta Di Pippo ESA 50 Joel Sitz 50 http:/saturn.jpl.nasa.gov 50 Mylswamy Annadurai 50 ray Space Telescope 50 Daniel Sacotte ESA 50 NASA Lunar Crater 50 Galaxy Evolution 50 Lunine 50 Cassini Huygens spacecraft 50 Carl Marchetto 50 interplanetary missions 50 Rosetta spacecraft 50 Krimigis 50 Anthony Colaprete LCROSS 50 Mercury flyby 50 Rick Grammier 50 Bob Ess 50 COROT 50 OSIRIS REx 50 Jennifer Heldmann 50 THEMIS mission 50 ESA CryoSat 50 Chandrayaan II 50 Chuck Dovale 50 Jonathan Lunine 50 highly elliptical orbits 50 manager Gerhard Schwehm 49 Comet Churyumov Gerasimenko 49 Eric Becklin 49 orbit insertion 49 CryoSat mission 49 Stardust NExT 49 William Readdy NASA 49 Laboratory Pasadena 49 Hakan Svedhem 49 William Irace 49 Ed Sedivy Phoenix 49 Rex Geveden 49 Manned missions 49 Ed Weiler associate 49 Gedmark 49 Curiosity rover 49 WISE spacecraft 49 Jet Propulsion Laboratory JPL 49 chairman K. Radhakrishnan 49 JAXA 49 Orbiter MRO 49 Michael A'Hearn 49 rover Opportunity 49 NASA Kepler 49 Huygens descent 49 ESA ASI 49 Bruce Banerdt 49 Titan flyby 49 Global Precipitation Measurement 49 Satish Dhawan Space 49 Richard Grammier 49 Jupiter Icy Moons 49 von Weyhe 49 Ralph McNutt 49 Fincke radioed 49 duration spaceflights 49 LCROSS mission 49 Mario Livio 49 Nasa Jet Propulsion 49 orbiting Saturn 49 ESOC 49 Cassini flyby 48 Mike Leinbach 48 Mark Uhran NASA 48 Peter Eisenhardt 48 planetary Transits 48 orbital insertion 48 Carolyn Porco 48 NASA Lunar Reconnaissance 48 Planetary Transits 48 Seiichi Sakamoto 48 JPL 48 Solar Dynamics Observatory 48 onboard Chandrayaan 48 Wolszczan 48 Mars Pathfinder lander 48 KAGUYA 48 Kirk Shireman 48 STEREO mission 48 extrasolar planet 48 Svedhem 48 Observatory STEREO 48 Hayabusa probe 48 Nasa spacecraft 48 Comet #P/Churyumov-Gerasimenko 48 Mars Odyssey spacecraft 48 NASA rovers Spirit 48 Mike Suffredini 48 NASA Goddard 48 Stephanie Stilson NASA 48 Larry Soderblom 48 spacecraft 48 orbital rendezvous 48 Comet 9P/Tempel 1 48 orbiting observatories 48 mission Chandrayaan 48 Martian surface 48 Planck satellite 48 ESA SMART 48 SMOS mission 48 WISE telescope 48 Craig Tooley LRO 48 Son Nghiem 48 equatorial latitudes 48 Mandushev 48 NASA THEMIS 48 Gian Luca Bona 48 JIMO 48 Joe Veverka 48 ESA Integral 48 Bernard Foing 48 Steve Squyres 47 Daniel Sacotte 47 Richard Spinrad 47 Fomalhaut b 47 Laurie Leshin 47 Alain Berinstain 47 scientist Bernard Foing 47 Stardust NExT mission 47 Relations Observatory STEREO 47 extrasolar planetary systems 47 Donald Yeomans 47 twin rovers Spirit 47 VIRTIS 47 director Tony Ceccacci 47 Alfred McEwen 47 Mark N. Sirangelo 47 Hayabusa spacecraft 47 Charles Beichman 47 Richard Vondrak 47 ESA Planck 47 planetary exploration 47 SIRTF 47 robotic explorer 47 Venusian atmosphere 47 Cryosat 47 Magnetospheric 47 Solar TErrestrial RElations Observatory 47 Descent Imager Spectral Radiometer 47 Jupiter Icy Moons Orbiter 47 ICESCAPE 47 orbited Jupiter 47 Mars Climate Sounder 47 orbiters landers 47 enters lunar orbit 47 Convection Rotation 47 Saturn moon 47 Landsat satellites 47 planets orbiting distant 47 IBEX spacecraft 47 PASADENA Calif. NASA 47 Michael Studinger 47 Carey Lisse 47 #P/Churyumov-Gerasimenko 47 Don Sweetnam 47 planetary geologists 47 Martian arctic 47 Bill Gerstenmaier associate 47 BepiColombo 47 Bill Patzert climatologist 47 spokesman Grey Hautaluoma 47 Mars Reconnaissance Orbiter 47 imaging spectrometer 47 Mars Orbiter Camera 47 Thermal Emission Spectrometer 47 Viking orbiters 47 situ measurements 47 Simonetta Di Pipo 47 Canasia stated 47 Spacecraft Operations 47 Richard Mushotzky 47 Jupiter icy moons 47 distant supernovae 47 subsurface ocean 47 William Borucki 47 Observatory SDO 47 Alan Thirkettle 46 Robotic Lunar Exploration 46 Astronautical Science 46 Hubble Space Telescope HST 46 Andrea Ghez 46 NASA Cassini 46 HiRISE camera 46 polar orbiting satellites 46 Ed Sedivy 46 AMASE 46 Mars Reconnaissance Orbiter MRO 46 mission Chandrayan 46 Dalcanton 46 SPICAM 46 Phil Engelauf 46 closest flyby 46 Jet Propulsion Laboratory 46 innermost planet 46 Interstellar Boundary Explorer 46 Kiruna Sweden 46 scientist Anthony Colaprete 46 LORRI 46 NASA Far Ultraviolet 46 Fermi telescope 46 Mars rovers Spirit 46 Jack Lissauer 46 Volker Liebig ESA 46 Earth Object 46 astronaut Randy Bresnik 46 HiRISE 46 Mars rovers 46 Compact Reconnaissance Imaging Spectrometer 46 Colin Pillinger Beagle 46 O OREOS 46 Kounaves 46 TanDEM X 46 ESA Huygens probe 46 LeRoy Cain chairman 46 AKARI 46 ExoMars rover 46 Werthimer 46 Herschel Space Telescope 46 Extragalactic 46 spacewalking specialists 46 DIXI 46 Rosetta lander 46 Mars Orbiter 46 Jon Giorgini 46 Mary Voytek 46 Cygnus Lyra region 46 Helios 2B 46 Planetary Lab 46 shadowy craters 46 orbiting spacecraft 46 comet #P/Churyumov-Gerasimenko 46 Mirelson 46 mineralogical composition 46 ESA Herschel 46 Titan flybys 46 Lunar Orbiter 46 NASA Stratospheric Observatory 46 OSIRIS 46 Neil Gehrels 46 Emily Lakdawalla 46 GPS IIF 46 Evolution Explorer 46 Tharsis Rise 46 Nasa 46 ExoMars 46 Terrestrial Planet Finder 46 Tony Ceccacci 46 Benoit Marcotte 46 Moderate Resolution Imaging 46 Mössbauer 46 martian surface 46 G. Madhavan Nair 46 Planck spacecraft 46 Asteroid Itokawa 46 Chairman G Madhavan 46 ion propulsion 46 Solar Radiation 46 Viking Orbiter 46 Jupiter flyby 46 Foing 46 GLAST 46 Huygens probe 46 NASA EPOXI mission 46 Astronauts inspect 46 Comet Hartley 46 Ken Edgett 46 SINFONI 46 NASA Stardust spacecraft 46 smoothest flattest spot 46 Alex Priskos 46 climatologist Bill Patzert 46 Ken Herkenhoff 46 MER rovers 46 Nasa Kepler 46 Robotic Exploration 46 Cryospheric Sciences Branch 45 X ray observatory 45 Itokawa asteroid 45 Herschel Space 45 Galileo spacecraft 45 Lunar CRater Observation 45 interstellar particles 45 PS Veeraraghavan 45 Phobos Grunt 45 Eyharts 45 EPOXI spacecraft 45 Corot 7b 45 Colaprete 45 spacecraft Cassini 45 Ghassem Asrar 45 Charles Elachi director 45 Squyres 45 ESA SMOS 45 Huygens Probe 45 Saturn moons Enceladus 45 Sample Return 45 NASA Jet Propulsion Lab 45 William Borucki Kepler 45 planetary explorations 45 dexterous robot 45 spacecraft orbited 45 X ray Spectrometer 45 Earthlike planet 45 Infrared Astronomy SOFIA 45 Friedensen 45 Ken Bowersox 45 lunar regolith 45 outer corona 45 Drake Deming 45 Kuiper Belt Objects 45 Comet Machholz 45 robotic lander 45 radio occultation 45 spokesperson Allard Beutel 45 Mars Phobos 45 OSIRIS Rex 45 Bernhard Fleck 45 UA Lunar 45 Frederic Pont 45 journal Meteoritics 45 http:/www.nasa.gov/cassini 45 uncovering geologic 45 WMAP satellite 45 moons orbiting Saturn 45 GSLV D3 rocket 45 Huygens lander 45 INSAT 3D 45 lunar orbiters 45 Omar Baez 45 windshield wiper maneuver 45 Ocean Salinity SMOS 45 DEPTHX 45 Fermi Telescope 45 David Leckrone 45 Shallow Radar instrument 45 Landsat Data 45 ESA Cluster 45 manager Alan Thirkettle 45 Derek Hassmann 45 CRISM 45 orbiter 45 spectroscopically 45 NASA 45 Martian terrain 45 ESMD 45 Comet Hartley 2 45 JWST 45 Stas Barabash 45 Steven Squyres 45 NASA Lunar Prospector 45 moonquakes 45 spokesman Robert Mirelson 45 NASA Kepler spacecraft 45 commander Rick Sturckow 45 Moon Mineralogy Mapper 45 Sun Laiyan 45 launch tweetup 45 comets asteroids 45 Linda Spilker Cassini 45 Bonnie Buratti 45 airglow 45 Chandrayaan 45 Charon Pluto 45 GOSAT 45 Kepler telescope 45 Venusian surface 45 superheated gases surrounding 45 Sasselov 45 Theisinger 45 Explorer WISE 45 extrasolar planets 45 crewed spacecraft 45 Origins Spectral Interpretation 45 Hubble observations 45 Apollo missions 45 Mini SAR 45 Chandrayan 45 HARPS spectrograph attached 45 Colin Pillinger 45 SCISAT 45 Jamie Elsila 45 HiRISE image 45 NFIRE 45 Astrosat 45 Red Planet 45 Marcello Coradini 45 Jennifer Trosper mission 45 Optical Spectroscopic 45 Michael Kostelnik 45 Gravity Probe B 45 Jupiter moons Europa 45 orbiting Hubble Space Telescope 45 Paul Spudis 45 telescopic observations 45 Rick Gilbrech 45 Allard Beutel 45 Earthlike planets 45 Hubble 45 Cloud Aerosol Lidar 45 Jean Luc Margot 45 WFC3 45 Richard Zurek 45 M. Annadurai 45 Ron Dittemore 45 Fermi Gamma ray 45 lunar poles 45 commander Dominic Gorie 45 manager Mike Suffredini 45 spokesman Franco Bonacina 45 Bramley Murton 45 spaceweather.com 45 Pamela Melroy 45 DISR 45 Cassini Equinox 44 smoggy atmosphere 44 moons circling 44 Mars Exploration 44 Louis Stodieck 44 C1XS 44 Moon Mineralogy Mapper M3 44 spokesman Rob Navias 44 Abdalati 44 Jim Paulsen SSME 44 celestial observations 44 Russian cosmonaut Alexander Kaleri 44 Alycia Weinberger 44 Stardust capsule 44 Kirk Shireman NASA 44 moon Europa 44 Imaging Spectrometer 44 rocky extrasolar planet 44 X ray spectrometer 44 Geosynchronous 44 ESA XMM Newton 44 Envisat satellite 44 Pascale Ehrenfreund 44 APXS 44 comet chaser 44 spacefarers 44 Planetary Laboratory 44 martian 44 Cosmic Vision 44 Saturn Enceladus 44 SIM PlanetQuest 44 inhabitable planets 44 David Wettergreen 44 Opportunity rovers 44 UKIRT 44 NASA Headquarters 44 Barry Butch Wilmore 44 twin rover Spirit 44 Libra constellation Vogt 44 Don Yeomans 44 Marc Rayman 44 Meridiani 44 Heliophysics Division 44 Stratospheric Observatory 44 orbiting Mars 44 Jean Jacques Dordain 44 comet nucleus 44 Phoenix lander 44 LeRoy Cain 44 Martin Tomasko 44 Cassini imaging 44 robotic rovers 44 spacecraft Chandrayaan 1 44 Interior Laboratory GRAIL 44 DubaiSat 1 44 Commander Dominic Gorie 44 Anthony Colaprete principal 44 Mars landers 44 exoplanetary 44 scientist Carolyn Porco 44 Bill Readdy NASA 44 Vourlidas 44 Ellen Stofan 44 lander 44 orbiting observatory 44 Uranus Neptune 44 Centre SDSC 44 comet Churyumov Gerasimenko 44 Churyumov Gerasimenko 44 Neil Gehrels Swift 44 Earth Observation Programmes 44 Michael Zolensky 44 Cassini Huygens mission 44 MAVEN 44 EarthCARE 44 Uninhabited Aerial Vehicle 44 Sponnick 44 XMM Newton 44 icy moons 44 Ngo Anh 44 Doug McCuistion 44 Avaldsnes 44 Chikai Ohazama Google 44 http:/marsrovers.jpl.nasa.gov 44 ESA Envisat satellite 44 ELM PS 44 Jeffrey Kargel 44 SSETI Express 44 Hinode 44 comet dust 44 Mars CRISM 44 gamma ray spectrometer 44 Orion LAS 44 GOES O 44 Kepler 9c 44 Upsilon Andromedae 44 Miniature Thermal Emission 44 SBIRS GEO 44 Luan Enjie 44 Cassini 44 habitable worlds 44 NASA Jet Propulsion 44 Kepler Space Telescope 44 please visit www.theESA.com 44 Ulysses spacecraft 44 Saturnian system 44 Microscopic Imager 44 Solar Terrestrial Relations 44 Explorer IBEX 44 G Madhavan Nair 44 Anisotropy Probe WMAP 44 Satish Dhawan 44 Megha Tropiques 44 exoplanets 44 Japanese Aerospace Exploration 44 occultations 44 Spudis 44 ICESat 44 Space Infrared Telescope 44 conclusions NASA Astrobiology 44 EPOXI mission 44 CALIPSO 44 Hubble Telescope 44 Mars Global Surveyor 44 Anthony Remijan 44 ESO VLT 44 manager Ron Dittemore 44 Planetary Fourier Spectrometer PFS 44 NASA Wilkinson Microwave 44 Meridiani Planum 44 manned lunar 44 Astronaut Gregory Chamitoff 44 Climate Experiment GRACE 44 neutral mass spectrometer 44 cometary 44 Navias 44 rover Curiosity 44 Altair lunar lander 44 retrograde orbit 44 MetOp 44 NASA Cosmic Background 44 outer planets 44 comet flyby 44 Saturn moons Titan 44 fiery reentry 44 aerobraking 44 Instrument OMI 44 shuttle Endeavour STS 44 STEREO spacecraft 44 Martian equator 44 Recovery Experiment SRE 44 Mars Opportunity rover 44 Nasa Mars Reconnaissance 44 Composite Infrared Spectrometer 44 reionization 44 Peter Jenniskens 44 Noguchi greeting 44 flybys 44 lunar explorer 44 robotic landers 43 Robert Aymar 43 Opportunity Mars rover 43 Systems Mission Directorate 43 Commander Pam Melroy 43 NASA LCROSS 43 Suzaku X ray 43 pulsating aurora 43 laser altimeter 43 Ares IX 43 deorbiting 43 Lunar Exploration 43 Europa Orbiter 43 Twittering invitees 43 exoplanets planets outside 43 crewmate Gregory Chamitoff 43 Jake Lowenstern 43 Enceladus flybys 43 detect gravitational waves 43 Atlantis Undocks From 43 Spacewatch 43 Centre VSSC 43 infrared spectrometers 43 UAVSAR 43 Hubble Space 43 Simonetta Di Pippo 43 Jennifer Heldmann coordinator 43 Cosmic Microwave Background 43 Spirit Mars rover 43 Vincent Delisle portfolio 43 Readdy 43 Miniature Synthetic Aperture Radar 43 planetary science 43 Rosetta orbiter 43 CoRoT satellite 43 JPL manages 43 Deep Impact eXtended Investigation 43 ESA ERS 43 orbiting Kepler telescope 43 worthwhile Schwehm 43 unmanned lunar 43 GALEX 43 Proba 2 43 magnetospheric 43 Resourcesat 2 43 Minoru Shioiri 43 extraterrestial 43 Kenneth Bowersox 43 Ringed Planet 43 reentry capsule 43 Antenna LISA 43 ExoMars mission 43 Isidis Planitia 43 NASA Cassini spacecraft 43 Mars Atmosphere 43 Wallops Island Va. 43 Dordain 43 Viking landers 43 Madhulika Guhathakurta 43 spokeswoman Whitney Clavin 43 MARSIS instrument 43 Mastcam 43 spacecrafts 43 TDRS K 43 NASA Interstellar Boundary 43 Cassini radar 43 Igor Mitrofanov 43 Hubble orbits 43 Sergio Bertolucci 43 manned lunar mission 43 circumlunar 43 lunar landers 43 Launch Scrubbed 43 jagged ridge 43 Chajnantor 43 gaseous planet 43 THEMIS Images 43 geosynchronous 43 astrobiologists 43 A'Hearn 43 Mars Pathfinder 43 lander Beagle 2 43 Martian polar 43 High Resolution Imaging 43 asteroid Vesta 43 Infrared Pathfinder Satellite 43 scientist Ray Arvidson 43 Foton M3 43 Wilkinson Microwave Anisotropy Probe 43 shadowed craters 43 astrometric 43 permanently shadowed regions 43 Spaceguard 43 noctilucent clouds 43 Anthony Colaprete 43 Bob Bagdigian 43 Flame Trench 43 William Readdy 43 rovers 43 Yinghuo 1 43 Vehicles Directorate 43 N. Rathnasree 43 invitees splashed 43 Earth Observation 43 Kirk Shireman deputy 43 spacecraft orbiting 43 PSLV C7 43 Comet Halley 43 chairman G Madhavan 43 lunar orbiter Chang'e 43 smallest exoplanets 43 Nousek 43 Rosetta comet chaser 43 director Holly Ridings 43 olivine mineral 43 solar corona 43 Multi Purpose Crew 43 AFOSR 43 Jamie Spiteri 43 M Annadurai 43 Centre SHAR 43 Jupiter Uranus 43 extrasolar worlds 43 Hubble Space telescope 43 LCROSS 43 Philae lander 43 Mission SRTM 43 cometary nucleus 43 NASA WMAP 43 Neutron Detector 43 RHESSI 43 Launch Abort System 43 lunar missions 43 Nasa Deep Impact 43 Applied Physics Laboratory 43 exosphere 43 XMM Newton X ray 43 ARRL AMSAT 43 NEOWISE 43 spokesman Barron Beneski 43 lunar meteorites 43 interplanetary spacecraft 43 Vassilis Angelopoulos 43 geosynchronous satellite launch 43 Voyager spacecraft 43 Ocean Salinity 43 Shenzhou spacecraft 43 ATV Johannes Kepler 43 electric ion propulsion 43 Mars Odyssey 43 GSLV D3 43 Martian orbit 43 cometary dust 43 Jules Verne ATV 43 STSS Demonstration 43 General Rolf Heuer 43 orbit GEO 43 Jenniskens 43 spectrographs 43 Hubble Near Infrared 43 substorms 43 SpaceWeather.com 43 Commander Charlie Hobaugh 43 manned lunar missions 43 Isro 43 lunar perigee 43 hydrologist Carolyn Driedger 43 Bill Gerstenmaier NASA 43 ADM Aeolus 43 Dave Leckrone 43 Chang'eI 43 Multi Object Spectrograph 43 Bruce Margon 43 Saturn moon Enceladus 43 hardware Theisinger 43 Opportunity Mars rovers 43 Martian rovers 43 possible micrometeorite damage 43 BepiColombo joint 43 Jakosky 43 Opportunity rover 43 asteroid Steins 43 Cloutier Lemasters 43 Huygens 43 habitable planets 43 Delfi C3 43 Cassini spacecraft 43 Chairman K. Radhakrishnan 43 Gliese #c 43 Tropical Rainfall Measuring 43 probe Huygens 43 Byalalu 43 Lunar Lander 43 twin Voyager spacecraft 43 Kailash Sahu 43 Global Precipitation Climatology 43 LISA Pathfinder 43 Space Administration CNSA 42 Sensing Satellite LCROSS 42 NASA Fermi Gamma 42 geoneutrinos 42 Beta Pictoris b 42 particle colliders 42 Ultraviolet Imaging Spectrograph UVIS 42 spectroscopic observations 42 Kaguya 42 Earth Asteroid Rendezvous 42 Follow LiveScience 42 habitable planet 42 SCIAMACHY 42 Martian lander 42 comets orbiting 42 cryovolcanism 42 Laser Interferometer Space 42 interstellar dust samples 42 Gravitational lensing 42 New Horizons spacecraft 42 Keck Interferometer 42 Endurance crater 42 EIAST 42 phyllosilicates 42 Berinstain 42 GOCE satellite 42 Heidemarie M. 42 Phil DeCola 42 BBSNews #-#-# NASA 42 countdown dress rehearsal 42 Bill Readdy 42 Douglas Hudgins Kepler 42 martian soil 42 Cassini ion 42 Darren Heathcote head 42 CALIPSO satellites 42 flyby 42 THEMIS 42 Hubble Servicing 42 robotic spacecraft 42 Shenzhou IV 42 geospace 42 astronomical objects 42 perigee nearest point 42 indigenous cryogenic stage 42 Relative Navigation 42 Titan smoggy 42 NASA Victoria Friedensen 42 Korotev 42 Gliese #d 42 Commander George Zamka 42 specular reflection 42 planetary scientist 42 Deep Impact mission 42 SMOS Soil Moisture 42 Shuttle Radar Topography 42 chairman Madhavan Nair 42 Ron Grabe Orbital 42 extrasolar 42 director Rick LaBrode 42 Kurt Retherford 42 Diviner instrument 42 Mars 42 Earth Asteroid 42 Borexino 42 Volatile Evolution 42 ST5 42 robotic rover Spirit 42 Redu Belgium 42 Dominic Gorie 42 SELENE probe 42 Reconnaissance Orbiter 42 Spitzer Space Telescopes 42 Soil Moisture 42 Cathy Peddie LRO 42 Reflection Radiometer ASTER 42 exoplanets planets 42 Oefelein piloted 42 asteroid Itokawa 42 substorm 42 Orbiter 42 sub millimeter wavelengths 42 mineral olivine 42 SMEX 42 Huygens probe landed 42 John Brunschwyler Taurus 42 YES2 42 Shallow Subsurface Radar 42 ESA Earth Observation 42 Orbiting Carbon Observatory OCO 42 SPHERES 42 Lunar Crater 42 ENose 42 Space Agency 42 dimensional atlas 42 DART spacecraft 42 NASA JPL 42 MESSENGER 42 Upsilon Andromedae b 42 Giovanni Fazio 42 Mike Sarafin radioed 42 Samuel Ting 42 Flyby spacecraft 42 NASA Stardust NExT 42 terraforming Mars 42 Nasa Mars Odyssey 42 Infrared Astronomy 42 Uwe Bergmann 42 Commander Sergei Krikalev 42 permanently shadowed craters 42 perilune 42 martian meteorites 42 PPARC 42 lunar orbiter 42 budging Wheelock told 42 Tetsu Emori fund 42 Schwehm 42 Lunar Outpost 42 Commander Eileen 42 Lee Joo jin 42 Bernhard von Weyhe 42 Gavin Wendt 42 GOES N 42 Maria Zuber 42 Hinode satellite 42 Engelauf 42 Mars orbiting spacecraft 42 Extrasolar planets 42 Shana Dale 42 Ceccacci 42 Greg Delory 42 Doug McCuistion director 42 potentially habitable 42 Mars orbiter 42 Meridiani plains 42 Japanese Pressurized Module 42 geoscientific 42 Cassini flybys 42 Centennial Challenges 42 SSMEs 42 Cassini ultraviolet 42 Rover MER 42 Elisabeth Afseth 42 Near Infrared Camera 42 Meteorological Satellites 42 lunar craters 42 STEREO 42 Infrared Array Camera