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(Click for frequent words.) 61 micrometeoroids 61 micrometeoroid 57 meteoroid 57 orbiter 56 asteroid 56 spacecraft 55 Apophis 55 orbiting 54 NASA 54 Orbital Debris 54 asteroids 54 micrometeorite 53 micrometeorites 53 heat shield 51 thermal tiles 51 flyaway foam 51 Gerstenmaier 51 spokesman Michael Braukus 51 space shuttle 50 foam fragment 50 tiny meteoroids 50 comet 50 shuttle orbiter 49 Discovery undocks 49 tank insulating foam 49 insulating tiles 49 orbiters 49 shuttle Discovery 49 Nasa 49 International Space Station 49 Michael Kostelnik 49 Mike Suffredini 48 William Readdy NASA 48 Readdy 48 liftoff 48 NASAs 48 Ceccacci 48 shuttle thermal shielding 48 toxic hydrazine fuel 48 human spaceflight 48 foam shedding 48 asteroid impacts 48 comet Shoemaker Levy 48 Discovery liftoff 48 bipod ramp 48 fragile thermal tiles 48 fiery reentry 48 meteoroids 48 Hubble 48 Nasa spacecraft 48 Eileen Hawley 48 cosmic radiation 48 shuttle 48 debris 47 deorbiting 47 comet nucleus 47 NASA Orbital Debris 47 Earth orbit 47 Martian dust 47 resistant tiles 47 hypervelocity 47 galactic cosmic rays 47 solar flares 47 Astronauts inspect 47 protective thermal tiles 47 tank foam insulation 47 Earth Object 47 foam insulation peeled 47 Comet Shoemaker Levy 47 Ares IX 47 Hubble Space Telescope 47 Spaceguard 47 orbit 47 Discovery thermal tiles 47 thermal tile 47 shuttle Endeavour 47 Earth asteroids 47 shuttle underside 46 asteroid Apophis 46 Infrared Pathfinder Satellite 46 insulating foam 46 vulnerable thermal shielding 46 orbiting Hubble telescope 46 orbiting telescope 46 Deep Impact comet 46 shuttle thermal tiles 46 Stardust spacecraft 46 Earth orbiting satellites 46 Hubble servicing 46 NIRSpec 46 impactors 46 tile fillers 46 orbiting spacecraft 46 interplanetary spacecraft 46 flyby spacecraft 46 Mars Odyssey spacecraft 46 Dittemore 46 flame trench 46 orbiting observatory 46 Yuri Koptev 46 RQ# 46 Ares IX rocket 46 gaseous planet 46 comets asteroids 46 unmanned spacecraft 46 astronauts 46 Ed Weiler 45 asteroids comets 45 Mike Suffredini NASA 45 protruding strips 45 spokesman Rob Navias 45 Bill Readdy NASA 45 LeRoy Cain chairman 45 windshield wiper maneuver 45 Lunar Prospector 45 Spaceguard Survey 45 William Gerstenmaier 45 Rob Navias 45 Earth objects NEOs 45 WISE spacecraft 45 shuttle astronauts 45 Fermi telescope 45 MN4 45 spacewalking astronaut gently 45 Space.com 45 shuttle Endeavor 45 toxic hydrazine 45 cosmic ray 45 GSLV D3 rocket 45 hydrazine fuel 45 lunar dust 45 comets 45 spacewalking astronaut 45 Discovery STS 45 shuttle Atlantis 45 coastal Naro 45 spokesperson Allard Beutel 45 Hubble telescope 45 Upsilon Andromedae b 45 Iridium satellites 45 Klinkrad 45 gamma ray burst 45 foam insulation 45 Cassini Huygens spacecraft 45 hydrazine tank 45 Vitaly Davydov deputy 44 orbital rendezvous 44 shuttle underbelly 44 Deep Impact probe 44 JWST 44 shuttle missions 44 manned spaceflight 44 Scolese 44 SOHO spacecraft 44 NASA Administrator 44 spacesuits 44 space shuttle Discovery 44 Stardust capsule 44 Mars Color Imager 44 exhaust plume 44 F. Readdy NASA 44 infrared telescope 44 Space Shuttle Program 44 Cassini Huygens 44 SPACE.com 44 Vostok spacecraft 44 IBEX spacecraft 44 Apophis asteroid 44 LeRoy Cain 44 engineer Timothy Kopra 44 nosecap 44 outer planets 44 astronauts Nicole Stott 44 orbiting complex 44 WISE telescope 44 micrometeorite impacts 44 Hubble Space telescope 44 EPOXI mission 44 agency Roscosmos 44 Ariane rocket 44 spacecrafts 44 thrust oscillation 44 satellites orbiting Earth 44 Nasa Kepler 44 Galileo spacecraft 44 meteor 44 Charles Camarda 44 Anatoly Perminov 44 William Ailor 44 Admiral Gehman 44 EPOCh 44 Reinforced Carbon Carbon 44 orbiting Kepler telescope 44 Fincke Greg Chamitoff 44 Foton spacecraft 44 cosmic dust 44 Bill Gerstenmaier NASA 43 NROL 43 crewed spacecraft 43 Bob Behnken 43 Mars Spirit rover 43 Ulysses spacecraft 43 Mission Control 43 insulation foam 43 shielding tiles 43 heaviest payloads 43 Neil Gehrels 43 Soyuz landings 43 interstellar particles 43 cosmic rays 43 Alpha Magnetic Spectrometer 43 Hubble Telescope 43 Mike Leinbach shuttle 43 orbiting Hubble Space Telescope 43 space shuttles 43 YES2 43 NPOESS 43 Webb Telescope 43 NASA Stratospheric Observatory 43 asteroid collisions 43 bolide 43 Oleg Ivanovsky 43 STSS Demo 43 Mirelson 43 Yuri Shargin 43 Sojourner rover 43 meteorites 43 spacewalker 43 Cryospheric Sciences Branch 43 Reconnaissance Orbiter 43 GRB #B 43 Kuiper belt object 43 space shuttle Atlantis 43 Joseph Cuzzupoli 43 Michael Braukus 43 nasa.gov 43 Kirk Shireman NASA 43 telescopes astronomers 43 GLAST 43 Nasa Jet Propulsion 43 Kosmos 3M rocket 43 fused silica glass 43 N. Rathnasree 43 Jupiter Icy Moons 43 Jay Melosh 43 Engelauf 43 unmanned probes 43 orbital maneuvering 43 www.nasa.gov 43 Parazynski 43 NASA Lunar Crater 43 Mars Opportunity rover 43 manager Mike Suffredini 43 Stardust NExT mission 43 Endeavour belly 43 satellites 43 Foam insulation 43 Saturn outermost moon 43 martian atmosphere 43 comet dust 43 Fengyun 1C 42 LCROSS 42 docking compartment 42 micrometeoroid impacts 42 Deep Impact mission 42 Norm Thagard 42 X ray observatory 42 planetary scientist 42 New Horizons spacecraft 42 Soyuz capsule 42 Martian rover 42 Galaxy Evolution 42 William Bottke 42 spokesman Grey Hautaluoma 42 Ares rocket 42 asteroid Itokawa 42 Viking Orbiter 42 Tim Kopra 42 orbiting satellites 42 O OREOS 42 icy moons 42 Weather Prediction 42 manager Ron Dittemore 42 Shuttle Challenger 42 Laser Interferometer Gravitational Wave 42 Space Shuttle 42 Soyuz 42 comet particles 42 Lyndin 42 Deep Impact flyby spacecraft 42 Messenger spacecraft 42 Manned missions 42 director Tony Ceccacci 42 Apollo missions 42 Mars Reconnaissance Orbiter MRO 42 Cassini 42 cosmic collisions 42 shuttle liftoffs 42 William Gerstenmaier NASA 42 flyaway fuel 42 infrared observatory 42 Decadal Survey 42 Manned Spacecraft Center 42 NEAs 42 Kepler spacecraft 42 Reentry Debris Studies 42 JAXA 42 coronal mass ejection 42 Space Shuttle Endeavour 42 Ringed Planet 42 heatshield 42 GSLV rocket 42 hypersonic glider 42 tiny meteoroid 42 William Readdy 42 Pilot Terry Virts 42 albedo reflectivity 42 Kuiper Belt object 42 Discovery astronauts 42 Curbeam 42 atmospheric reentry 42 spacesuit 42 NEOs 42 Kostelnik 42 ISS 42 NASA Kepler 42 Comet Hartley 42 outer space 42 Endeavour docked 42 spacewalking specialists 42 planetary Transits 42 budging Wheelock told 42 X ray telescope 42 Asteroid Itokawa 42 Spaceflight Meteorology Group 42 Martian lander 42 Ira Petty 42 space.com 42 gamma ray observatory 42 Commercial Reusable Suborbital 42 colliding asteroids 42 rover Spirit 42 Cassini ultraviolet 42 Cloud Aerosol Lidar 42 disassemble Dextre 42 Cryosat 42 impactor 42 Doohan ashes 42 Grammier 42 martian surface 42 Carey Lisse 42 tile filler 42 L. Behnken 42 Spacewalking astronaut 42 manned spacecraft 42 spacecraft thrusters 42 Imaging Spectroradiometer MODIS instrument 42 Rick Linnehan 42 Kliper 42 NASA Goddard 41 agency Roskosmos 41 Cosmonaut Yuri Gagarin 41 GRBs 41 QuikSCAT 41 Comet Hartley 2 41 hydrazine toxic 41 NASA Jet Propulsion Laboratory 41 reconnaissance satellites 41 gravitational wave 41 orbited Earth 41 Infrared Astronomy 41 Dean Pesnell 41 Marco Caceres 41 YU# 41 orbiting gamma ray 41 Allard Beutel 41 Cancri e 41 Omar Baez 41 pad #A 41 Mars Pathfinder 41 ESA Rosetta 41 orbiting astronauts 41 shuttle Discovery STS 41 spaceflight 41 airbursts 41 Gedmark 41 Foton M3 41 Compton Gamma Ray 41 Martian orbit 41 Orbiting Carbon Observatory 41 Simonetta Di Pipo 41 galactic cosmic ray 41 Tony Ceccacci 41 meteoritic material 41 LADEE 41 NASA Far Ultraviolet 41 Yury Lonchakov 41 Shuttle Discovery 41 John Yembrick 41 GALEX 41 Vehicle CEV 41 nose cone 41 Cape Canaveral FL AHN 41 APXS 41 SpaceWeather.com 41 NFIRE 41 JDEM 41 Kepler Mission 41 Shuttle Atlantis 41 Russian cosmonaut Yuri Usachev 41 astronaut Rick Mastracchio 41 spokesman Barron Beneski 41 tin whiskers 41 LASP 41 Roscosmos 41 LCROSS spacecraft 41 Geosynchronous orbit 41 JIMO 41 Martian rovers 41 starboard SARJ 41 Atlantis STS 41 Winglee 41 SELENE probe 41 WISE infrared 41 amateur skywatchers 41 orbits 41 Oort Cloud 41 Bruce Banerdt 41 comet flyby 41 Horizons spacecraft 41 Earth magnetosphere 41 spaceship 41 Jet Propulsion Laboratory 41 Fincke radioed 41 Theresa Hitchens 41 Challenger Karioth noted 41 planetary missions 41 NOAA GOES 41 MESSENGER spacecraft 41 Andrei Borisenko 41 meteorite 41 Ed Weiler NASA 41 planetary science 41 Kaufeler 41 spacewalking repairs 41 Earth Object NEO 41 Space Agency 41 Nikolai Budarin 41 Mars Orbiter 41 spokesman Allard Beutel 41 Earthlike planet 41 Diviner instrument 41 Mars moon Phobos 41 ballistic descent 41 Andrew Feustel 41 Nasa Mars Reconnaissance 41 Johns Hopkins Applied Physics 41 booster rockets 41 Ron Garan 41 Atlantis astronauts 41 Systems Mission Directorate 41 shuttle undocked 41 Huygens mission 41 cometary 41 orbiter robotic arm 41 Debris 41 Rosaviakosmos 41 Human Spaceflight 41 Squyres Cornell 41 Shuttle Endeavour 41 magnetosphere 41 Roskosmos 41 Richard Gilbrech 41 pyroclastic flow 41 Navias 41 EPOXI 41 superhot gases 41 fainter objects 41 Garret Reisman 41 Suffredini 41 Atlantis undocks 41 icy comets 41 spacesuit gloves 41 Lopota 41 astronaut Scott Parazynski 41 CALIPSO 41 astronaut Heidemarie Stefanyshyn Piper 41 spacecraft orbiting 41 BepiColombo 41 spokesman Igor Panarin 41 Herschel telescope 41 Comet 9P/Tempel 1 41 Wallops Island 41 cosmonaut Pavel Vinogradov 41 gaseous hydrogen leak 41 Mario Livio 41 NASA MESSENGER 41 asteroid Eros 41 Pad #B 41 Spacesuits 41 space shuttle Endeavour 41 Space Station 41 director Derek Hassmann 41 Bob Ess 41 ARRL AMSAT 41 Timothy Spahr 40 planets asteroids 40 detect gravitational waves 40 Mars CRISM 40 Herschel Space Telescope 40 shuttle disintegrated 40 unscheduled spacewalk 40 Phobos Grunt 40 spacewalk 40 Saturn rings 40 Kuiper Belt Object 40 planetary surfaces 40 Cuzzupoli 40 dexterous robot 40 gravitational waves 40 Donald Yeomans 40 Space Shuttle Atlantis 40 National Polar Orbiting 40 NASA Meteoroid Environment 40 launch tweetup 40 spokesman Robert Mirelson 40 Field Infrared Experiment 40 Sacred Vessel 40 Russell Schweickart 40 # Apophis 40 NanoSail D 40 Sara Seager 40 spy satellites 40 Foton M2 40 Epsilon Eridani 40 Satcher Jr. 40 Alexei Krasnov 40 Dan Durda 40 comet orbit 40 SIRTF 40 Hubble gyroscopes 40 Richard Grammier 40 orbiting junkyard 40 Reflection Radiometer 40 decadal survey 40 Orion spacecraft 40 Taurus XL 40 Orbiting 40 spaceward 40 Earthly contamination 40 geosynchronous 40 Climate Orbiter 40 GEochemistry 40 scientist Anthony Colaprete 40 spacewalking astronaut accidentally 40 astronaut 40 probe Huygens 40 X ray wavelengths 40 FASTSAT 40 Derek Hassmann 40 MIT planetary scientist 40 Hubble Space Telescope HST 40 lunar surface 40 Japan Kibo laboratory 40 John Brunschwyler 40 Sputnik satellite 40 scientist Rafat Ansari 40 flyaway foam insulation 40 scramjets 40 GLAST telescope 40 manager Gerhard Schwehm 40 damaged thermal tiles 40 Alexander Samokutyayev 40 Woodrow Whitlow 40 Space Shuttle Endeavor 40 DART spacecraft 40 agency Rosaviakosmos 40 Astronaut Scholarship 40 ejecta 40 incoming ballistic missiles 40 impactor spacecraft 40 Douglas Osheroff 40 particle detector 40 Fomalhaut b 40 Spacehab 40 cosmic particles 40 Mike Sarafin 40 orbiting laboratory 40 Observatory SDO 40 Epsilon Aurigae 40 supernova explosion 40 hazardous hydrazine 40 antimatter particles 40 shuttle Endeavour STS 40 Japanese Aerospace Exploration 40 Spacewatch 40 spacefaring nations 40 Japanese Pressurized Module 40 spacewalkers 40 shuttle payload bay 40 pressurized module 40 David Southwood ESA 40 rover Curiosity 40 Tunguska asteroid 40 NASAâ € ™ 40 Halley comet 40 protruding filler 40 Endeavour astronauts embarked 40 orbiting observatories 40 QQ# 40 Robert Hoot Gibson 40 NASA Voyager spacecraft 40 NAOMS 40 malfunctioning rotary joint 40 spokesman Paul Foerman 40 Interior Laboratory GRAIL 40 George Zamka 40 Grunsfeld 40 Columbia Accident Investigation 40 Solar System 40 Proba 2 40 steel shavings 40 lengthy postflight repairs 40 orbit GEO 40 volcanic plume 40 microplastics 40 brightest supernova 40 Cosmic rays 40 Maria Zuber 40 Skylab 40 Kirk Shireman 40 unmanned lunar 40 reentries 40 astrobiological 40 F. Readdy 40 Christopher Scolese 40 Boslough 40 SMOS mission 40 Space Shuttle Discovery 40 shuttle Challenger 40 NASA CloudSat 40 Lunar Exploration 40 Planetary Society 40 spacewalkers Scott Parazynski 40 highly elliptical orbits 40 Curiosity rover 40 collectSPACE.com 40 celestial object 40 spaceplane 40 exoatmospheric kill vehicle 40 Chris Scolese 40 comet Lulin 40 Soyuz rocket 40 A'Hearn 40 TrES 4 40 Preston Burch 40 journal Acta Astronautica 40 Kennedy Space 40 manned lunar missions 40 Junichiro Kawaguchi 40 OSIRIS REx 40 X ray telescopes 40 shuttle Atlantis STS 40 Terrestrial Planet Finder 40 deorbit 40 Mercury Gemini 40 Shoemaker Levy 40 spacewalker Scott Parazynski 40 3 #/#-inch-long gouge 40 moon Io 40 Quadrantids 40 P/# A2 40 Judy Resnik 40 Jet Propulsion Laboratory JPL 40 cosmic cannibal 40 Laser Interferometer Space 40 preset orbit 40 NASA Gamma ray 40 extrasolar planets 40 comet Tempel Tuttle 40 commander Pam Melroy 40 Tempel 1 40 astronaut Charles Camarda 40 Asteroid 40 SN #gy 40 GJ#b 40 Meteoritics 40 NASA Stardust spacecraft 40 SIM PlanetQuest 40 Titan 4B 40 lunar landers 40 Oleg Skripochka 39 Helios 2B 39 Sirangelo 39 NASA Cosmic Background 39 SpaceX Falcon 39 Cosmic ray 39 foam wedges 39 moonlet 39 Martian surface 39 Webb Space Telescope 39 unreadable astronaut 39 Viking Lander 39 MErcury Surface Space ENvironment 39 Deep Impact craft 39 Rich Zurek 39 Lunar Orbiter Image 39 superheated gases 39 Pirs Docking Compartment 39 Perminov 39 Fossum Lisa Nowak 39 Context Camera 39 Atlas 2AS 39 robotic Canadarm 39 parachutes malfunctioned 39 SuitSat 39 radiological hazards 39 orbiting outpost 39 specialist Drew Feustel 39 Alexander Khramchikhin 39 Antennae Galaxies 39 NASA Interstellar Boundary 39 fairing separation 39 reusable spacecraft 39 Atlantis robotic arm 39 ice frost ramps 39 Pan STARRS 39 Norman Thagard 39 ultraluminous galaxy 39 journal Meteoritics 39 winged spacecraft 39 Zolotukhin 39 Hayabusa spacecraft 39 al Samouds 39 RHESSI 39 distant galaxy 39 comets meteors 39 Saturn magnetosphere 39 Sergei Gorbunov spokesman 39 Zvezda module 39 Michael Zolensky 39 asteroidal 39 weaponisation 39 comet Boethin 39 Solar Dynamics Observatory 39 Ariane launcher 39 ESA Integral 39 Cattle wandered 39 aeroshell 39 Endeavour payload bay 39 Baikonur Kazakhstan 39 Asteroid Apophis 39 Cometary 39 Allard Beutel NASA 39 Zhang Jianqi 39 Plait 39 hypersonic speeds 39 comets orbiting 39 Coleman Paolo Nespoli 39 Shuttle Derived 39 earth orbiting satellites 39 RS Ophiuchi 39 Soyuz rocket carrying 39 interstellar dust 39 director Chuck Dovale 39 STSS Demonstration 39 coronal mass ejections CMEs 39 Antenna LISA 39 Geoffrey Forden 39 Nasa Goddard Space 39 Astromaterials Research 39 pilot Charles Hobaugh 39 Commander Sergei Krikalev 39 director Heather Rarick 39 Frick radioed 39 hydroxyl molecules 39 GeneSat 1 39 Mir Space Station 39 hydrazine 39 Atlantis rocketed 39 asteroid belt 39 Heliophysics 39 HiRISE camera 39 Eta Carinae 39 GRB # 39 Applied Physics Laboratory 39 Chang'eI 39 NASA Lunar Reconnaissance 39 Yellowstone supervolcano 39 Pilot George Zamka 39 UA Lunar 39 Exploration Vehicle 39 rocket boosters 39 Jupiter Icy Moons Orbiter 39 urine recycler 39 Gravity Probe B 39 Comet Tempel 1 39 Satish Dhawan 39 Russian cosmonaut Nikolai Budarin 39 Drew Feustel 39 Solar Dynamics 39 Tranquility Base 39 protoplanet 39 Kepler Space Telescope 39 MESSENGER 39 superheated gases penetrated 39 NASA Kepler telescope 39 Mars Pathfinder lander 39 retroreflector 39 Mini TES 39 Infrared Array Camera 39 Uninhabited Aerial Vehicle 39 engineer Nikolai Budarin 39 dwarf galaxy 39 payload bay 39 Space shuttle undocks 39 ion propulsion 39 Haehnelt 39 Endeavour 39 GOCE satellite 39 laser altimeter 39 Pluto Charon 39 orbital 39 Interstellar Boundary Explorer 39 Martian arctic 39 Shuttle Discovery docks 39 astrophysical 39 Discovery thermal shielding 39 Xichang 39 Lunar Reconnaissance Orbiter Camera 39 Gamma ray burst 39 Tunguska 39 Meteorological Satellite 39 microgravity environment 39 extrasolar planet 39 Soyuz Fregat rocket 39 PSLV C6 39 thermal shielding 39 Mars Lander 39 Jenniskens 39 Milky Way Galaxy 39 Lt. Col. Yang Liwei 39 Mars Surveyor 39 Discovery thrusters 39 Lunar Reconnaissance Orbiter LRO 39 Konstantin Feoktistov 39 Convection Rotation 39 ESA ASI 39 Jupiter Ganymede 39 NASA LCROSS 39 polar orbiting satellites 39 micro meteorites 39 orbital velocity 39 Discovery undocking 39 buckypaper virtually 39 Sensing Satellite LCROSS 39 Goldilocks planet 39 Mars lander 39 historian Roger Launius 39 exoplanetary 39 Launch Vehicle 39 Planck satellite 39 S6 truss 39 Comet Halley 39 hypervelocity star 39 Grillmair 39 Shuttle Atlantis astronauts 39 Chodas 39 Spacewalking astronauts relied 39 Bill Readdy 39 NASA Orbiting Carbon 39 NASA astronaut 39 Explorer WISE 39 Russian cosmonaut Valery Tokarev 39 Skylab astronaut Owen Garriott 39 Metal shavings 39 Halley Comet 39 TPS Thermal 39 Cumbre Vieja 39 astronaut Rusty Schweickart 39 Jonathan Lunine 39 Holly Ridings 39 Explorer GALEX 39 Pad #A 39 geosynchronous satellite launch 39 galaxy M# [002] 39 hypersonic missiles 39 NPO Lavochkin 39 Talgat Musabayev 39 NuSTAR 39 Canadarms 39 Bottke 39 deorbited 39 stratospheric ozone 39 adventure Chamitoff radioed 39 ISS crewmembers 39 Stardust mothership 39 LEO satellites 39 weather satellite TIROS 39 chief Vladimir Solovyov 39 Colloidal Emulsions 39 comet Tempel 1 39 lunar orbiter 39 specialists Lisa Nowak 39 Nasa Ames 39 aboard Atlantis 39 Glonass satellites 39 Solar Orbiter 39 strangelets 39 planet magnetosphere 39 interstellar dust grains 39 Discovery payload bay 39 Gemini Apollo 39 discovered worrisome gouge 39 Tropical Rainfall Measuring 39 microlensing events 39 Shana Dale 39 polar orbiting 39 Baikonur Cosmodrome Kazakhstan 39 Wolszczan 39 Endeavour STS 39 CAIB recommendations 39 continental flyovers 39 Grechko 39 warhead 39 dwarf galaxies 39 robotic explorer 39 interplanetary 39 unstowed 39 Earth magnetotail 39 ICBM 39 habitable planets 39 mock warhead 39 Nasa astronaut 39 geosynchronous orbits 39 missile defense 39 satellites orbiting 39 Regional Spaceport 39 Spacewalking 39 Itokawa asteroid 39 COROT exo 3b 39 magnetar 39 vessels Kumagai 38 Type Ia supernova 38 Mars rover 38 Saturn Cassini 38 Mars rovers 38 Ellison Onizuka 38 LRO LCROSS 38 infalling 38 Space 38 CryoSat satellite 38 protoplanetary 38 meteor impacts 38 Leroy Cain 38 undocks 38 LCROSS Centaur upper 38 Web visit http:/www.nasa.gov/home 38 Earth Asteroid 38 Launch Abort System 38 Russian cosmonaut Maxim Suraev 38 gravitational lens 38 superheated atmospheric gases 38 cryosphere 38 shuttle airlock 38 Mission Specialists 38 NFIRE satellite 38 Orbital Space 38 #/#-minute climb 38 NASA Wallops 38 spokeswoman Kylie Clem 38 Walter Schirra 38 Starfire Optical Range 38 NASA MESSENGER spacecraft 38 Lousma 38 Kuiper belt objects 38 SPACE SHUTTLE 38 Evolution Explorer 38 Russians Alexander Kaleri 38 HiRISE image 38 Centaur rocket 38 Rutan SpaceShipOne 38 commander Dmitry Kondratyev 38 interplanetary voyage 38 Saturn moon Mimas 38 Spacewalking astronauts 38 comet Hartley 2 38 moons orbiting 38 1 #/#-pound chunk 38 spaceborne 38 Saturn moons 38 Ron Dittemore shuttle 38 antisatellite 38 Space Biomedical 38 X #B 38 particle physics detector 38 Ray Villard 38 Atlantis 38 Tom Marshburn