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(Click for frequent words.) 68 Lunar Crater Observation 65 LCROSS mission 64 Sensing Satellite LCROSS 62 Sensing Satellite 62 shepherding spacecraft 62 LCROSS spacecraft 61 spacecraft 61 comet nucleus 60 NASA LCROSS 60 SIRTF 60 flyby spacecraft 59 Centaur rocket 59 Orbiter LRO 59 orbiter 59 NASAs 59 Cabeus crater 59 Galileo spacecraft 58 NASA Stardust spacecraft 58 Lunar Reconnaissance Orbiter LRO 58 EPOXI 58 IBEX spacecraft 58 CloudSat 58 Nasa spacecraft 57 Orbiting Carbon Observatory 57 Stardust spacecraft 57 comet 57 Rosetta spacecraft 57 LRO 57 ESA Rosetta 57 Cassini 57 MESSENGER 57 Cryosat 57 COROT 57 cometary 57 Tempel 1 56 lunar crater 56 Deep Impact comet 56 Huygens 56 NuSTAR 56 CALIPSO 56 NanoSail D 56 Kepler spacecraft 56 Cassini Huygens 56 Lunar Crater 56 asteroid Itokawa 56 EPOXI mission 56 Solar TErrestrial RElations Observatory 56 Observatory SDO 56 martian surface 56 Itokawa 55 Churyumov Gerasimenko 55 Comet Hartley 2 55 impactor 55 New Horizons spacecraft 55 Huygens mission 55 GOCE 55 Cabeus 55 NASA Kepler telescope 55 Lunar CRater Observation 55 Mars Reconnaissance Orbiter MRO 55 Deep Impact probe 55 impactor spacecraft 55 planetary Transits 55 Kepler Mission 55 lunar surface 55 LCROSS Lunar Crater Observation 55 orbiting 55 Proba 2 55 Comet Hartley 54 Shepherding Spacecraft 54 meteoroid 54 Martian atmosphere 54 MARSIS 54 gamma ray observatory 54 Comet #P/Churyumov-Gerasimenko 54 HiRISE 54 Neil Gehrels 54 comet flyby 54 Stardust NExT 54 BepiColombo 54 OSIRIS REx 54 JAXA 54 martian atmosphere 54 Colaprete 54 EPOCh 54 Voyager spacecraft 53 Ulysses spacecraft 53 Deep Impact flyby spacecraft 53 orbiting observatory 53 Hubble 53 NASA STEREO 53 Explorer WISE 53 Mars Reconnaissance Orbiter 53 Comet Churyumov Gerasimenko 53 comet Tempel 1 53 Deep Impact mission 53 Convection Rotation 53 orbiting Hubble Space Telescope 53 STEREO 53 APXS 53 asteroid Steins 53 Cassini Huygens spacecraft 53 Interior Laboratory GRAIL 53 O OREOS 53 scientist Anthony Colaprete 53 Galaxy Evolution 53 Gravity Probe B 53 X ray observatory 53 Planck 53 Saturn Cassini 53 THEMIS 53 shuttle Endeavor 53 NASA Lunar Crater 53 WISE spacecraft 53 Bob Ess 53 Planck satellite 53 comets 53 orbiting spacecraft 53 Saturn rings 53 MESSENGER spacecraft 53 GLAST 53 NASA 53 comet Hartley 2 53 ESA Huygens probe 53 RQ# 52 interstellar dust 52 Deep Impact spacecraft 52 NEOSSat 52 asteroid 52 Herschel Space Telescope 52 X ray telescopes 52 martian soil 52 Orbiter MRO 52 Martian orbit 52 lander 52 LORRI 52 Solar Dynamics Observatory 52 orbiting telescope 52 Mössbauer 52 NASA Deep Impact 52 Reconnaissance Orbiter 52 Nasa Jet Propulsion 52 MAVEN 52 comet Wild 52 Huygens probe 52 Hubble Space Telescope 52 OSIRIS Rex 52 asteroid Vesta 52 Tropical Rainfall Measuring 52 STEREO spacecraft 52 NASA Lunar Reconnaissance 52 ESA Integral 52 NASA Cassini spacecraft 52 JWST 52 Lunar Reconnaissance Orbiter 52 NASA rovers 52 SMOS 52 Orbiter 52 TanDEM X 52 Sojourner rover 52 VIRTIS 52 spacecraft Cassini 51 A'Hearn 51 Itokawa asteroid 51 planetary missions 51 solar corona 51 Cassini spacecraft 51 Wilkinson Microwave Anisotropy Probe 51 HiRISE image 51 Epoxi 51 DART spacecraft 51 comet Churyumov Gerasimenko 51 Shoemaker Levy 51 SOHO spacecraft 51 Planck spacecraft 51 Krimigis 51 asteroid Lutetia 51 GOSAT 51 rover Opportunity 51 Mars Pathfinder lander 51 Ares IX rocket 51 HD#b 51 HD #b [002] 51 Comet Tempel 1 51 Orbiting Carbon Observatory OCO 51 orbit 51 NASA EPOXI mission 51 ESA XMM Newton 51 robotic explorer 51 ejecta 51 lunar orbit 51 Martian rovers 51 WISE telescope 51 Saturn moon 51 RXTE 51 Rosetta lander 51 XMM Newton 51 Grammier 51 Ares IX 51 Solar Orbiter 51 NASA THEMIS 51 comet #P/Churyumov-Gerasimenko 51 Ranging spacecraft 51 comet dust 51 THEMIS satellites 51 Webb Telescope 51 gamma ray spectrometer 51 GeneSat 1 51 Stardust capsule 51 Huygens Probe 51 cosmic ray 51 Apollo missions 51 Hubble telescope 51 Nasa 51 Keck Interferometer 51 infrared observatory 51 Flyby spacecraft 51 Hayabusa probe 51 Comet 9P/Tempel 1 51 SIM PlanetQuest 51 interstellar particles 51 Mission TRMM satellite 51 Cassini flyby 51 comet McNaught 51 Deep Impact eXtended Investigation 51 Space Infrared Telescope 51 gamma ray burst 50 Space Telescope 50 highly elliptical orbits 50 Martian surface 50 Foton spacecraft 50 Mars rover 50 comet chaser 50 infrared spectrograph 50 extrasolar planet 50 laser altimeter 50 Orbital Express 50 Hubble observations 50 ejecta plume 50 Yarkovsky effect 50 Earth magnetosphere 50 Climate Experiment GRACE 50 director Chuck Dovale 50 gaseous planet 50 DIXI 50 Fomalhaut b 50 NEAs 50 YES2 50 comet particles 50 Hubble Space Telescope HST 50 NASA MESSENGER spacecraft 50 FASTSAT 50 STEREO mission 50 impactor probe 50 CryoSat satellite 50 Viking landers 50 Comet Lulin 50 Jupiter Icy Moons 50 Space Shuttle Atlantis 50 Relations Observatory STEREO 50 interstellar dust particles 50 Spitzer Space Telescope 50 Ed Weiler NASA 50 Deep Impact 50 Rover MER 50 CoRoT 50 ESA Planck 50 flyby 50 galactic cosmic rays 50 #P/Churyumov-Gerasimenko 50 Hubble servicing 50 Venusian atmosphere 50 LADEE 50 Jovian moons 50 ESA SMART 50 Mars Pathfinder 50 CryoSat mission 50 Curiosity rover 50 Cancri e 50 Mike Leinbach shuttle 50 Hubble Telescope 50 orbital velocity 50 spectrographs 50 Lunar Prospector 50 unmanned probes 50 swingby 50 lunar regolith 50 MErcury Surface Space ENvironment 50 Herschel telescope 50 GRBs 50 orbital rendezvous 50 ESA CryoSat 50 radar altimeter 50 MetOp 50 Rosetta orbiter 50 Messenger spacecraft 50 Jupiter Icy Moons Orbiter 50 Infrared Pathfinder Satellite 50 STIS 50 Taurus XL rocket 50 Stardust NExT mission 49 ESA GOCE 49 closest flyby 49 http:/saturn.jpl.nasa.gov 49 ESA ASI 49 moonlet 49 galaxy M# [001] 49 THEMIS spacecraft 49 PSLV C6 49 Atlantis rocketed 49 robotic spacecraft 49 Cloud Aerosol Lidar 49 David Southwood ESA 49 Mars Opportunity rover 49 ExoMars 49 particle detector 49 ESA Mars 49 Gerhard Schwehm 49 EPOXI spacecraft 49 Red Planet 49 Jules Verne ATV 49 infrared telescope 49 WMAP satellite 49 KAGUYA 49 Interstellar Boundary Explorer 49 International Space Station 49 SMOS mission 49 twin STEREO spacecraft 49 SPICAM 49 planetesimals 49 astronomers 49 Solar Terrestrial Relations 49 flyby Cassini 49 Opportunity rover 49 Foton M2 49 Gravitational lensing 49 Imaging Spectroradiometer MODIS instrument 49 CALIPSO satellites 49 accretion disk 49 Laser Interferometer Space 49 Heterodyne Instrument 49 copper impactor 49 WISE infrared 49 distant galaxy 49 Solid Rocket Boosters 49 Nasa Deep Impact 49 NASA MESSENGER 49 GEochemistry 49 lander robotic arm 49 Martian arctic 49 LRO spacecraft 49 Ocean Salinity 49 asteroid Eros 49 Kepler Space Telescope 49 Enceladus 49 Infrared Astronomy SOFIA 49 protoplanet 49 meteoroids 49 Kaguya 49 crater Cabeus 49 Mars Odyssey orbiter 49 GRB #B 49 interplanetary spacecraft 49 DEPTHX 49 Mars rovers Spirit 49 GJ #b [001] 49 Philae lander 49 Foing 49 Stratospheric Observatory 49 GSLV D3 rocket 49 LISA Pathfinder 49 extrasolar planets 48 airborne particles affect 48 NASA Kepler 48 field Infrared Survey 48 lunar soil 48 Deep Impact craft 48 LRO LCROSS 48 Fermi Gamma ray 48 OGLE TR #b 48 JDEM 48 manager Gerhard Schwehm 48 Adam Riess 48 sunlike star 48 Mars orbiter 48 Mars Orbiter 48 Earth ionosphere 48 NASA Chandra 48 Phobos 48 Herschel Planck 48 Shuttle Discovery 48 lunar orbiter Chandrayaan 48 NASA Goddard 48 Foton M3 48 JIMO 48 HiRISE camera 48 Hubble Servicing 48 slender crescent 48 SuitSat 48 weather satellite TIROS 48 CryoSat 48 Spitzer infrared spectrograph 48 cometary nucleus 48 orbiting gamma ray 48 Planck telescope 48 comets asteroids 48 irregularly shaped asteroid 48 Mars Atmosphere 48 interstellar dust grains 48 Fermi Telescope 48 lunar orbits 48 Comet Machholz 48 highly elliptical orbit 48 spacecraft orbiting 48 habitable worlds 48 NASA Aqua 48 Mercury flyby 48 Hyper X 48 Kepler telescope 48 polar orbit 48 GJ#b 48 lunar orbiter 48 moon Charon 48 PSLV C 48 shuttle Discovery 48 Planetary Transits 48 Kepler #b 48 Helios 2B 48 Saturn outermost moon 48 ICESat 48 STSS Demo 48 neutral mass spectrometer 48 Robotic Exploration 48 Cosmic Microwave Background CMB 48 Saturnian moon Titan 48 WASP #b 48 bedrock outcropping 48 RHESSI 48 Mars Lander 48 comet Shoemaker Levy 48 Space Shuttle Endeavour 48 shadowed crater 48 planemos 48 Diviner 48 perihelion 48 unmanned spacecraft 48 director Tony Ceccacci 48 Compton Gamma Ray 48 Saturnian system 48 SPHERES 48 celestial object 48 HM Cancri 48 Chandrayaan 48 infrared telescopes 48 permanently shadowed crater 48 neutron spectrometer 48 Earthlike planets 48 Chuck Dovale 48 Maria Zuber 48 deorbit 48 Global Surveyor 48 spaceplane 48 X ray telescope 48 robotic lander 48 rover Spirit 48 Comet Shoemaker Levy 48 gravitational slingshot 48 nanosatellite 48 XMM Newton satellite 48 Solar Dynamics 48 infalling 48 six wheeled rover 48 Mars landers 48 IceCube 48 X ray spectrometer 48 MINOS 48 NROL 48 DigitalGlobe WorldView 48 icy comets 48 Emily Lakdawalla 48 exoplanetary 48 Impact Probe MIP 48 orbiting Saturn 48 telescope 48 cometary material 48 Steins asteroid 47 Saturnian moon 47 X ray emission 47 Hubble Space telescope 47 Meridiani 47 Anthony Colaprete 47 Endeavour STS 47 WFC3 47 Earth Asteroid 47 lunar equator 47 MARSIS radar 47 Observatory STEREO 47 Comet Boethin 47 orbits 47 volcanic moon Io 47 Professor Pillinger 47 Minotaur rocket 47 stellar occultation 47 mesosphere 47 deorbiting 47 detect gravitational waves 47 exo planets 47 exosphere 47 Geostationary Operational Environmental 47 NASA Cassini 47 Victoria Crater 47 NFIRE 47 ATLAS detector 47 Mars# 47 outer corona 47 Atlantis undocks 47 liftoff 47 GSLV rocket 47 Earth orbit 47 Antenna LISA 47 Titan flyby 47 Jupiter flyby 47 scientist Bernard Foing 47 DISR 47 Discovery STS 47 Terrestrial Planet Finder 47 Huygens lander 47 Jakosky 47 PharmaSat 47 NASA rovers Spirit 47 innermost planet 47 Horizons spacecraft 47 heatshield 47 GALEX 47 Asteroid Itokawa 47 twin Voyager spacecraft 47 astrophysicists 47 simulated lunar 47 Ariane rocket 47 PSLV C# 47 extrasolar 47 supernova explosion 47 twin rover Opportunity 47 Deep Impact Extended 47 NASA Wilkinson Microwave 47 STORRM 47 Discovery undocks 47 Martian crater 47 Titan flybys 47 ESO VLT 47 ExoMars rover 47 infrared astronomy 47 NASA twin rovers 47 Upsilon Andromedae 47 distant supernovae 47 Cosmic Microwave Background 47 Wolszczan 47 Comet Halley 47 GSLV D3 47 cometary dust 47 Microscopy Electrochemistry 47 SpaceX Falcon 47 NOAA GOES 47 lunar explorer 47 Discovery liftoff 47 Corot 7b 47 rovers 47 Shuttle Endeavor 47 asteroids Ceres 47 Total Ozone Mapping 47 Zeta Ophiuchi 47 Shuttle Challenger 47 micrometeoroids 47 NASA Spirit rover 47 ion propulsion 47 Phoenix Mars Lander 47 elongated orbit 47 GOES O 47 Junichiro Kawaguchi 47 Mars Odyssey 47 coronagraph 47 SSMEs 47 Environmental Satellite POES 47 Cosmic Origins Spectrograph 47 NASA Cosmic Background 47 substorm 47 Cassini imaging 47 magnetosphere 47 icy moons 47 Heliospheric Observatory SOHO 47 moonlets 47 Lutetia 47 twin rovers Spirit 47 infrared spectrometer 47 martian meteorites 47 NASA Lunar CRater 47 Cassini orbiter 47 exoplanets planets 47 Lunine 47 Mars Polar Lander 47 visit http:/saturn.jpl.nasa.gov 47 Spacecraft 47 Space Shuttle Program 47 airglow 47 Gliese #c 47 galaxy clusters 47 Space Telescope GLAST 47 EGRET 47 scramjet 47 Mars orbiting spacecraft 47 journal Meteoritics 47 Mars Orbiter Camera 47 AB Aurigae 47 Volatile Evolution 47 fainter objects 47 Earth Object 47 H IIB 47 Mini TES 47 Solar System 47 polar craters 47 Moderate Resolution Imaging 47 Upsilon Andromedae b 47 probe Huygens 47 Atlas 2AS 47 NASA Solar Terrestrial 47 Spaceguard 47 GOES N 47 Earth asteroid Itokawa 47 Investigation DIXI 47 UA Lunar 47 booster rockets 47 lunar perigee 47 GOCE satellite 47 cosmic collisions 47 shuttle Endeavour STS 47 asteroid flyby 47 Resourcesat 2 47 ESA Huygens 47 orbiters 47 neutron star 47 filamentary structure 47 Mastcam 47 Kepler observatory 47 polar orbiting 47 Jupiter magnetosphere 47 ADM Aeolus 46 robotic explorers 46 CRISM 46 Martian soil 46 Cassini flybys 46 NASA Spacecraft 46 Jean Pierre Lebreton 46 Flyby 46 regolith 46 CubeSats 46 spectrometer 46 Oort cloud 46 Mars Surveyor 46 Endurance crater 46 http:/www.nasa.gov/cassini 46 gamma rays emitted 46 protons collide 46 SCISAT 46 LROC 46 robotic geologist 46 Mars Color Imager 46 spacecraft thrusters 46 retrograde orbit 46 Fermi telescope 46 OMEGA instrument 46 NASA Lunar Prospector 46 planet HD #b 46 X ray Observatory 46 P/# A2 46 comet tail 46 shuttle orbiter 46 outer planets 46 Kuiper belt objects 46 payload 46 Shackleton crater 46 magnetotail 46 Melosh 46 NASA Great Observatories 46 NEOWISE 46 Thermal Emission Spectrometer 46 substorms 46 AERONET 46 GROND 46 Hayabusa 46 imaging spectrometer 46 drogue parachute 46 particle physics detector 46 ESA SMOS 46 gravitationally 46 onrushing comet 46 Centaur upper 46 NASA Stratospheric Observatory 46 asteroids comets 46 ESA Envisat satellite 46 Servicing Mission 46 Taurus XL 46 Zenit 3SL rocket 46 Giove B 46 Space Shuttle Endeavor 46 KSLV 1 46 orbiting observatories 46 TRMM 46 MG J# +# 46 Global Precipitation Measurement 46 planet Gliese #g 46 Jenniskens 46 GA6 46 rover Curiosity 46 comet Wirtanen 46 Nasa Mars Reconnaissance 46 LCROSS Centaur upper 46 Mars Climate Sounder 46 moons Phobos 46 SN #gy 46 Hayabusa spacecraft 46 Mercury magnetosphere 46 Hinode 46 Neutral Mass Spectrometer 46 Extrasolar Planet Observation 46 NFIRE satellite 46 ISS 46 CoRoT satellite 46 spacecrafts 46 Gravity Probe 46 retroreflector 46 Enceladus flyby 46 NASA Voyager spacecraft 46 Saturn moon Enceladus 46 quark gluon plasma 46 colliding asteroids 46 gravitational interactions 46 navigate autonomously 46 Yinghuo 1 46 orbiting Mars 46 INSAT 4CR 46 N. Rathnasree 46 Phoenix Mars lander 46 exoplanets 46 spectroscopic 46 Mars CRISM 46 Anisotropy Probe 46 hypersonic speeds 46 geosynchronous orbit 46 ChemCam 46 Milky Way Galaxy 46 satellites orbiting Earth 46 Earthlike planet 46 Einstein theory 46 transiting planet 46 Human Spaceflight Microgravity 46 bipod ramp 46 NASA Jet Propulsion Laboratory 46 Infrared Astronomy 46 Ocean Salinity SMOS 46 Crewmate Tracy Caldwell 46 John Callas rover 46 rover 46 hubble 46 SINFONI 46 Odyssey orbiter 46 Cassini Equinox 46 hypergolic 46 Toutatis 46 space shuttle 46 perigee 46 OCO 46 extrasolar planetary systems 46 ESA Envisat 46 Spectroradiometer 46 TerraSAR X 46 planetary science 46 HRSC 46 Saturn magnetosphere 46 GIOVE B 46 astronaut Heidemarie Stefanyshyn Piper 46 Moderate Imaging Spectroradiometer 46 Pete Theisinger 46 planets comets 46 Envisat satellite 46 GRACE satellites 46 Context Camera 46 Sasselov 46 Earth swingby 46 moon Europa 46 Mars Odyssey spacecraft 46 Martian equator 46 Mini Thermal Emission 46 Jean Pierre Lebreton Huygens 46 Gerstenmaier 46 robotic rover 46 preset orbit 46 star Gliese 46 Bruce Jakosky 46 brown dwarf 46 star IM Pegasi 46 Mars rovers 46 X #A 46 cryogenic propellants 46 orbit insertion 46 Butterfly Nebula 46 martian 46 exoplanet 46 NLSI 46 GJ #b [002] 46 DubaiSat 1 46 magnetar 46 NASA Kepler spacecraft 46 External Tank 46 shuttle Endeavour 46 GSLV F# 46 spokesman Michael Braukus 46 Lunokhod 46 Spitzer infrared telescope 46 Grillmair 46 Michael A'Hearn 46 noctilucent clouds 46 Martian rover 46 microscopic imager 46 accretion disks 46 asteroidal 46 Chandrayan 46 ray Space Telescope 46 JPL 46 planets circling 46 lander rover 46 comet Boethin 45 magnetic reconnection 45 interstellar dust samples 45 orbital insertion 45 mass spectrometer 45 comets orbiting 45 SN #A 45 Holly Ridings 45 Cassini ion 45 Mossbauer 45 scramjet engines 45 smallest exoplanet 45 twin rover Spirit 45 coronal mass ejection 45 Mars moon Phobos 45 waning gibbous 45 Jovian moon 45 exo planet 45 gamma ray bursts 45 Space Shuttle Discovery 45 High Resolution Imaging 45 Huygens descent 45 axions 45 Gliese #g 45 PASADENA Calif. NASA 45 permanently shadowed craters 45 ROCSAT 2 45 moon Phobos 45 Gravity Recovery 45 protoplanetary disk 45 astrometry 45 Ring Nebula 45 Pluto Kuiper Belt 45 Shuttle Atlantis blasts 45 distant galaxies 45 antineutrinos 45 Cosmic Background Explorer 45 PSLV rocket 45 Gliese #d 45 Nasa Kepler 45 Bullet Cluster 45 Pascale Ehrenfreund 45 transiting exoplanet 45 Stardust mothership 45 Pluto Charon 45 MetOp satellite 45 aboard Atlantis 45 exhaust plume 45 Climate Experiment 45 NASA CloudSat 45 deorbit burn 45 lander Philae 45 Pegasus XL 45 NASA Far Ultraviolet 45 Microscopic Imager 45 NASA Orbiting Carbon 45 NASA Cassini orbiter 45 Oort Cloud 45 comet Lulin 45 Planetary Fourier Spectrometer PFS 45 asteroids 45 Envisat 45 Phobos Grunt 45 Commander George Zamka 45 supercomputer simulations 45 aerobraking 45 Nuclear Spectroscopic Telescope Array 45 exoatmospheric kill vehicle 45 cosmic microwave radiation 45 attosecond 45 Bernard Foing 45 Chicxulub 45 SpaceWeather.com 45 SMOS Soil Moisture 45 GRB # 45 Crab Pulsar 45 NEEMO 45 Jean Luc Margot 45 scramjets 45 microlensing events 45 SpaceLoft XL 45 spectrograph 45 Kuiper belt 45 Atlantis STS 45 heliosphere 45 Spectrograph 45 Scolese 45 NASA Mars Reconnaissance 45 Infrared Array Camera 45 Allard Beutel 45 Rosetta comet chaser 45 RHIC 45 millisecond pulsar 45 Phoenix lander 45 lunar landers 45 moon permanently shadowed 45 pad #A 45 Mars lander 45 hydrazine fuel 45 Epsilon Aurigae 45 planetary nebulae 45 WFPC2 45 Bug Nebula 45 supersymmetric particles 45 outermost planets 45 Apophis 45 Cosmodrome 45 Jennifer Heldmann 45 Preston Burch 45 VORTEX2 45 Enceladus flybys 45 alpha particle X ray 45 antimatter particles 45 Endeavour docked 45 SELENE probe 45 amateur skywatchers 45 Near Infrared Camera 45 planet orbiting 45 ATV Jules Verne 45 Space Agency 45 Evolved Gas 45 Iapetus 45 Soyuz landings 45 meteoritic material 45 space shuttle Discovery 45 Keck telescope 45 KamLAND 45 SpaceLoft XL rocket 45 Derek Hassmann 45 magnetospheric 45 Lander robotic arm 45 Diviner instrument 45 crewed spacecraft 45 suborbital trajectory 45 YU# 45 Hubble orbits 45 Viking Lander 45 Louis Stodieck 45 Magnetic Imager HMI 45 elliptical galaxy NGC 45 Impactor 45 Bill Gerstenmaier NASA 45 X #B 45 SPACEHAB 45 Shuttle Endeavour 45 stellar occultations 45 Laser Interferometer Gravitational Wave 45 Chang'eI 45 orbiting Hubble telescope 45 NASA Ames 45 Hubbles 45 Dnepr rocket 45 Gusev crater 45 remote sensing satellite Resourcesat 45 Jupiter moons 45 arcminutes 45 Resolution Imaging 45 Hubble Space 45 Space ENvironment GEochemistry 45 planets 45 SPIRE instrument 45 LOCAD PTS 45 Megha Tropiques 45 EarthCARE 45 planet WASP #b 45 ESA Herschel 45 Ed Weiler 45 Colin Pillinger 45 satellites