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(Click for frequent words.) 58 Drew Shindell 57 Cynthia Rosenzweig 56 Govindasamy Bala 55 spokesman Michael Braukus 55 ARRL AMSAT 54 Global Differential GPS 54 spokesperson Allard Beutel 54 Exceptional Achievement Medal 54 sulphate aerosols 53 Inez Fung 53 windshield wiper maneuver 53 Anyamba 53 Kharecha 52 greatest insect emergences 52 spokesman Robert Mirelson 52 Richard Lindzen professor 52 NCAR scientist Gerald Meehl 52 spacewoman 52 climate modeler 52 journal Acta Astronautica 51 cows belch 51 Veerabhadran Ramanathan 51 GOSAT 51 Drake Deming 51 twin STEREO spacecraft 51 Dan Durda 51 Jamie Elsila 50 clobbered Serenity 50 cosmic ray flux 50 Scrubs Shuttle Launch 50 hunting Kepler telescope 50 NASA GISS 50 atmospheric aerosols 50 spokeswoman Kylie Clem 50 Zeebe 50 Mirelson 50 Eric Rignot 50 Svensmark 50 Benjamin Santer 49 Svedhem 49 Jon Giorgini 49 climate forcings 49 Philip Mote 49 Enric Palle 49 Romero Lankao 49 NASA 49 Solar Terrestrial Physics 49 Jeffrey Kargel 49 planetary astronomer 49 alone Reheis Boyd 49 Pep Canadell 49 cosmic ray intensity 49 Ecoscience Population Resources 48 Kim Shiflett 48 ozone layer depletion 48 planetary Transits 48 scientist Ken Caldeira 48 Mike Raupach 48 Cassini magnetometer 48 Lunar Reconnaissance 48 Winglee 48 Spudis 48 volcanic aerosols 48 stratospheric ozone depletion 48 Aiguo Dai 48 Weiqing Han 48 Haymet 48 Roger Pielke Jr 48 author Ken Caldeira 48 Space Station Status 48 Orbital Debris 48 Gerald Meehl 47 Kepler Mission 47 Hakan Svedhem 47 GLAST telescope 47 Cloutier Lemasters 47 Dean Pesnell 47 Stephen Palumbi 47 Ken Caldeira 47 NASA WMAP 47 Corinne Le Quere 47 Gregory Asner 47 Ken Herkenhoff 47 Shri Kulkarni 47 MIT Richard Lindzen 47 manmade greenhouse gas 47 spokesman Paul Foerman 47 Michael Studinger 47 V. Ramanathan 47 Decadal Survey 47 journal Icarus 47 JPL Caltech 47 quote unquote dusty 47 Milankovitch cycles 47 NASA Far Ultraviolet 47 Dan Lashof 47 airglow 47 Sromovsky 47 Christopher Scolese 46 Nasa Goddard Space 46 journal Climatic Change 46 NASA THEMIS 46 Alain Berinstain 46 BBSNews #-#-# NASA 46 Lunar Prospector 46 Image NASA JPL 46 asteroid orbit 46 Endangerment Finding 46 NCAR scientist Synte Peacock 46 Don Wuebbles 46 Atmospheric Chemistry 46 Eric Steig 46 Wallace Broecker 46 Solar Dynamics Observatory 46 journal Meteoritics 46 Rusty Schweickart 46 DeWeaver 46 Gaia Theory 46 EPOCh 46 Paleoclimate 46 radiative transfer 46 Krimigis 46 NuSTAR 46 Robert Bindschadler 46 Heiner Klinkrad 46 Ekwurzel 46 upper troposphere 46 Natalie Mahowald 46 CAIB recommendations 46 Rignot 46 Director Charles Elachi 45 Dalcanton 45 NASAs 45 Brenda Ekwurzel climate 45 Richard Gilbrech 45 stratospheric ozone chemistry 45 biospheric 45 Ozone depletion 45 interplanetary spacecraft 45 Lashof 45 Otto Bliesner 45 Nasa 45 Planetary Protection 45 aerosol concentrations 45 Cassini Image 45 Hugh Possingham 45 Roddam Narasimha 45 Emily Lakdawalla 45 halogenated gases 45 sun irradiance 45 Michael Flasar 45 NOAA ESRL 45 Brigham Grette 45 Orbiting Carbon Observatory OCO 45 anthropogenic greenhouse gases 45 David Southwood ESA 45 NASA Jet Propulsion Lab 45 Niels Harrit 45 Douglas Osheroff 45 Maria Karayiorgou 45 consultancy Ecofys 45 Mercury exosphere 45 anthropogenic aerosols 45 Stardust NExT mission 45 YORP effect 45 astrobiology scientist 45 Anthony Remijan 45 Peter Frumhoff 45 Stephen Pacala 45 Fermi Telescope 45 Roger Pielke 45 Vourlidas 45 Viking Orbiter 45 NASA Lunar Prospector 45 ESA ASI 45 Mercury magnetosphere 45 NASA JPL 45 Heliophysics Division 45 National Geographic TOPO 45 Gabriel Vecchi 45 Laura Grego 45 NCAR scientist 45 Robert Mirelson 45 Jerry Karnas 45 Fashion Movie Reviews 44 Robin Canup 44 Hubble orbits 44 Maria Zuber 44 atmospheric circulations 44 Fermi LAT 44 Delays Shuttle Launch 44 Pieter Tans 44 galactic cosmic rays 44 director Charles Elachi 44 ESA Planck 44 DBCCA 44 Appy Sluijs 44 Exobiology 44 Rossby waves 44 OCO satellite 44 Don Gurnett 44 Simonetta Di Pippo 44 Biogeochemistry 44 Bette Otto Bliesner 44 Diarmid Campbell Lendrum 44 Cassini ultraviolet 44 Laurie Leshin 44 Extragalactic 44 NASA LCROSS 44 Canadell 44 Lunine 44 Geeky tweeters 44 Hegerl 44 Graciela Chichilnisky 44 STEPHEN MORRISON 44 historian Roger Launius 44 Simonetta Di Pippo ESA 44 Planetary scientist 44 Ed Weiler 44 Corinne Le Quéré 44 Dikpati 44 Greenhouse Gas Tailoring Rule 44 Board CAIB 44 sulfate aerosols 44 MEPAG 44 Caltech JPL 44 Gabriele Hegerl 44 orbiting gamma ray 44 Daniel Sarewitz 44 Foing 44 axial tilt 44 Cosmic Microwave Background 44 Avishay Gal Yam 44 authoritative Intergovernmental Panel 44 carbon dioxide CO ² 44 atmospheric CO2 levels 44 Richard Lindzen 44 chairman climatologist Rajendra 44 forcings 44 auroral emissions 44 Storrie Lombardi 44 author Gregg Marland 44 Gunman kills hostage 44 Pielke 44 Composite Infrared Spectrometer 44 Ulysses spacecraft 44 Meenakshi Wadhwa 44 climate modellers 43 Indian climatologist Rajendra 43 Katharine Hayhoe 43 Kylie Clem 43 Parazynski practically 43 SIM PlanetQuest 43 WISE telescope 43 gamma ray observatory 43 spokeswoman Tisha Petteway 43 Moetasim Ashfaq 43 Czech Hydrometeorological Institute 43 dustier stormier atmosphere 43 Ionospheric 43 Gemini Apollo 43 nightglow 43 Credit NASA JPL 43 Janet Sawin 43 Anthony Leiserowitz 43 Z. Jacobson 43 Ian McShane Pillars 43 Mandushev 43 Klinkrad 43 Martian rovers 43 comet orbit 43 equatorial latitudes 43 NASA Astrobiology 43 anthropogenic warming 43 hydrologic cycle 43 tropospheric 43 stratospheric ozone 43 Ronald Dittemore 43 global warming gasses 43 scientist Rafat Ansari 43 Heliophysics 43 AERONET 43 Bernhard Fleck 43 Bill Readdy NASA 43 Roger Pielke Jr. 43 Ghoshroy 43 Chris Rapley 43 Environment Explorer LADEE 43 carbon dioxide nitrous oxide 43 Cassini flyby 43 exhaust plume 43 http:/saturn.jpl.nasa.gov 43 Rogier Windhorst 43 periodically lubricate 43 AGW hypothesis 43 Hörst 43 Omar Baddour 43 CfA 43 visit http:/saturn.jpl.nasa.gov 43 Dr. Allen Hershkowitz 43 Total Ozone Mapping 43 Carbon dioxide CO2 43 Abdalati 43 multi decadal 43 Plate tectonics 43 m2mi 43 Credits ESA 43 Shallow Radar instrument 43 Corot 7b 43 meteoroid impacts 43 spacewalking specialists 43 NIPCC 43 Magnetospheric 43 Upsilon Andromedae b 43 Remote Sensing Satellites 43 cow enteric 43 Carey Lisse 43 Quentin Chiotti 43 Earth orbiting satellites 42 Solar TErrestrial RElations Observatory 42 Dan Kammen 42 Peter Capak 42 supercomputer simulations 42 manages JPL 42 Nate Mantua 42 Astrobiology Magazine 42 laser altimeter 42 Mary Stampone 42 magnetospheric imaging instrument 42 poleward shift 42 Intergovernment Panel 42 Atmospheric Oceanic 42 Behrenfeld 42 Global Precipitation Measurement 42 NASA Cosmic Background 42 crustal thickness 42 Tropical deforestation 42 Anthony Leiserowitz director 42 Greenhouse gases trap 42 AGW proponents 42 David Roland Holst 42 smoothest flattest spot 42 Taylor Dinerman 42 glacial interglacial 42 Spirit Mars rover 42 ambassador Brice Lalonde 42 regulating GHGs 42 Dennis Bueckert 42 extravehicular mobility units 42 Volatile Evolution 42 Virtual Planetary Laboratory 42 terrestrial biosphere 42 Galactic cosmic rays 42 Kevin Trenberth climate 42 Lika Guhathakurta 42 Bruce Banerdt 42 IceBridge 42 Rain overcast sky 42 spokeswoman Kristen Skopeck 42 Diviner 42 Mission TRMM 42 IPCC Intergovernmental Panel 42 spacecraft orbited 42 Noah Diffenbaugh 42 Warmer seas 42 Cancri e 42 EPOXI mission 42 Rune Graversen 42 Orion MPCV 42 Atlantic Multidecadal Oscillation AMO 42 Commercial Reusable Suborbital 42 GHG concentrations 42 greenhouse warming 42 spaceweather.com 42 Pierre Friedlingstein 42 auroral activity 42 Mars Climate Sounder 42 Foton M3 42 Arne Astrup 42 Diviner instrument 42 Roger Pielke Sr. 42 unburned hydrocarbons carbon monoxide 42 produced Friedlingstein 42 Meteorological Satellite 42 Geosynchronous 42 astronauts Nicole Stott 42 GRID Arendal 42 anthropogenic climate 42 extrasolar worlds 42 Aeneas Wanner Swiss 42 Nikku Madhusudhan 42 biogeochemical cycles 42 anthropogenic emissions 42 Andrew Glikson 42 Cryospheric Sciences Branch 42 Kavandi 42 Luan Enjie 42 Hubble astronomer 42 meridional flow 42 SRON Netherlands Institute 42 Jupiter Icy Moons Orbiter 42 Durwood Zaelke 42 aboard Taurus XL 42 LDCM 42 planetary geology 42 Wilkinson Microwave Probe 42 RHESSI 42 National Aeronautics 42 scientist Bernard Foing 42 Inter Governmental Panel 42 Astronaut Peggy Whitson 42 SIRTF 42 Bjorn Lomborg author 42 infrared spectrograph 42 Launch Postponed 42 Grammier 42 Neutron Spectrometer 42 Astrophysicist 42 OGLE TR #b 42 deorbiting 42 argentinian debt crisis 42 Huygens descent 42 Evolution Explorer 42 RPWS 42 Web visit http:/www.nasa.gov/home 42 Searchinger 42 oceanic sciences 41 paleoclimatology 41 Fermi telescope 41 Nature Geoscience journal 41 Schellnhuber 41 melt Himalayan glaciers 41 Cow burps 41 Fermi Gamma ray 41 Earth ozone layer 41 Copenhagen Diagnosis 41 filamentary structure 41 Shuttle Discovery docks 41 cyanogen poisonous gas 41 Kossin 41 Tim Searchinger 41 Sven Teske 41 retrograde orbit 41 STScI 41 Le Quéré 41 Aeronautics Subcommittee 41 NASA Landsat 41 NAOMS 41 mantle convection 41 http:/www.nasa.gov 41 Kepler 9c 41 LADEE 41 Uranus Neptune 41 Caltech astronomer 41 comet orbital 41 Sweden.se meets celebrity 41 Lexi Shultz 41 ChemCam 41 Atlantis Undocks From 41 BepiColombo 41 Heterodyne Instrument 41 Neptune Uranus 41 emitting fossil fuels 41 Jet Propulsion Lab 41 bolide 41 budging Wheelock told 41 Cassini flybys 41 atmospheric circulation 41 Terrestrial Magnetism 41 Nilton Renno 41 solar irradiance 41 IAU definition 41 Elizabeth Kolbert 41 oceanic circulation 41 Priyamvada Natarajan 41 Hironobu Unesaki nuclear 41 interannual variability 41 A1B scenario 41 impeach USADA 41 global warming gases emitted 41 Ove Hoegh Guldberg 41 satellites orbiting Earth 41 tropospheric ozone 41 IBEX spacecraft 41 Planetary Studies 41 meteoroid 41 backscattered 41 Imaging Spectroradiometer MODIS instrument 41 Spacebook 41 Rocketplane XP spacecraft 41 Saturn moon Mimas 41 Scripps Oceanography 41 Gedmark 41 globalwarming 41 Spectroradiometer 41 Cassini Huygens 41 UNI PHOTO 41 Ionosphere 41 Mojzsis 41 ICECAP 41 Manned missions 41 Mission SRTM 41 Astronaut Leroy Chiao 41 Cooking Microwave Popcorn 41 Satcher Jr. 41 NASA Stratospheric Observatory 41 credit NASA JPL 41 William Readdy 41 heliophysics 41 Opportunity Mars rover 41 Chairman G Madhavan 41 Eileen Hawley 41 Magnetic Imager 41 Climate Experiment GRACE 41 Bjørn Lomborg 41 Richard Binzel 41 Joan Kleypas 41 McKay planetary scientist 41 Keeling Curve 41 comet flyby 41 global weirding 41 Lori Garver 41 atmospheric physicist 41 NASA Atmospheric Infrared 41 coral reef degradation 41 IGBP 41 Neutron Detector 41 spokesman Glenn Mahone 41 physics astrophysics 41 VIRTIS instrument 41 Jupiter Icy Moons 41 Starz Pillars 41 super perigee moon 41 JPL manages 41 Descent Imager Spectral Radiometer 41 THEMIS satellites 41 waves droughts floods 40 vegetation greenness 40 N. Rathnasree 40 NASA Goddard Spaceflight 40 cryosphere 40 Aqua satellite 40 anomalously warm 40 Allard Beutel 40 WorldWatch Institute 40 Daniel Lashof 40 equatorial bulge 40 global warming skeptic 40 Astrophysics Cambridge Mass. 40 #ppm CO2 40 infrared observatory 40 uncovering geologic 40 spokesman Grey Hautaluoma 40 Joel Scheraga 40 Crutzen 40 Penny Sackett 40 largest moon Charon 40 Wolszczan 40 imaging spectrometer 40 Indur Goklany 40 Planetary Lab 40 homochirality 40 paleoclimatic 40 orbiting observatories 40 By DARREN SAMUELSOHN 40 regulate GHGs 40 Skeptical Environmentalist Guide 40 total solar irradiance 40 Steven Amstrup 40 William Bottke 40 Deep Impact Principal Investigator 40 Anthropogenic 40 scientist Anthony Colaprete 40 Deep Impact comet 40 Katharine Willett 40 NASA Interstellar Boundary 40 Jonathan Patz 40 Alexei Kokorin 40 economywide 40 Global Biogeochemical Cycles 40 comet hurtling 40 circumlunar 40 Planetary Science Institute 40 spokesman Barron Beneski 40 unsustainable trajectory 40 gamma ray flashes 40 planetary geologist 40 CIRES 40 Ocean Salinity 40 NASA Stardust NExT 40 Extreme Ultraviolet Variability Experiment 40 extrasolar 40 Malte Meinshausen 40 Greenhouse gasses 40 WISE spacecraft 40 Adrian Macey 40 Aqua satellites 40 endorses halving 40 Planetary Science Division 40 Norm Thagard 40 Helioseismic 40 Earth ionosphere 40 particle acceleration 40 Ben Santer 40 dexterous robot 40 planetary scientist 40 ILUC 40 orbiting Kepler telescope 40 JHU APL 40 Martian dust 40 gamma ray astronomy 40 Sceptical Environmentalist 40 Tharsis Rise 40 Uninhabited Aerial Vehicle 40 Michael Braukus 40 oblate spheroid 40 atmospheric methane 40 heat trapping pollutants 40 Hans von Storch 40 Dessler 40 Innovative Partnerships 40 Follett Pillars 40 Dr Diesendorf 40 dynamical evolution 40 ozone depletion 40 heat trapping greenhouse 40 William Gerstenmaier 40 Flyby spacecraft 40 A'Hearn 40 NASA Zwally 40 Tetherless World 40 WMAP satellite 40 AGW theory 40 Peter Ewins 40 Pan Jiahua 40 Xavier Bonfils 40 atmospheric oceanic 40 ESA Integral 40 Mössbauer 40 NOAA GOES 40 Elsila 40 Carbon dioxide byproduct 40 springtime ozone 40 Bioastronautics Roadmap 40 Nasa spacecraft 40 planet habitability 40 Deep Impact Spacecraft 40 Altair lunar lander 40 Hipparcos 40 gamma ray observatories 40 Nielsen Gammon 40 Shuttle Docks 40 Berinstain 40 climate 40 Brownlee Stardust 40 planetary orbits 39 predecessor Sean O'Keefe 39 Elwynn Taylor Iowa 39 tropospheric temperature 39 Twittering invitees 39 NOAO 39 Greenbelt Md. manages 39 glacial interglacial cycles 39 Gus Speth 39 ozone depleting gases 39 Moderate Resolution Imaging 39 Julio Friedmann 39 ray Space Telescope 39 Mitloehner 39 Planetary Sciences seminar 39 cosmological distances 39 THEMIS spacecraft 39 comets meteors 39 Metabolic Engineering 39 acidifying oceans 39 Administrator Sean O'Keefe 39 Stephanie Schierholz 39 Ozone Monitoring 39 Caltech Jet Propulsion 39 Roland Holst 39 Arne Astrup professor 39 paleoclimatologist 39 midlatitudes 39 Harvard Smithsonian CfA 39 Mars Color Imager 39 Skip Laitner 39 www.fia.com 39 administrator Sean O'Keefe 39 ESA Herschel 39 NASA astrobiologist 39 Daniel Hinerfeld 39 matter antimatter asymmetry 39 Jean Pierre Lebreton Huygens 39 Frank Borman 39 adventure Chamitoff radioed 39 Space Telescopes 39 longwave radiation 39 carbon dioxide emission reductions 39 Credit ESO 39 Stefan Immler 39 Professor Eske Willerslev 39 Warmer oceans 39 Planck satellite 39 X ray observatory 39 geoengineering schemes 39 Killmann 39 Stefan Rahmstorf 39 Solar Optical Telescope 39 HiRISE camera aboard 39 Astronauts inspect 39 GALEX 39 Kuchner 39 Climate Change Advisors DBCCA 39 orbited Jupiter 39 spacecraft orbiting 39 GISS analysis 39 atmospheric chemistry 39 malfunctioning rotary joint 39 manmade greenhouse gases 39 GtC 39 Astrobiology Institute 39 James Gustave Speth 39 Cosmic ray 39 Martian rover 39 NSBRI 39 Situ Resource 39 Earth Observation Satellites 39 cosmic cannibal 39 Yarkovsky effect 39 climate modelers 39 SSP FRR 39 Commander Charlie Hobaugh 39 Robert Socolow 39 inch Samuel Oschin 39 exosphere 39 NASA twin STEREO 39 stabilizing atmospheric concentrations 39 orbiting spacecraft 39 cosmic rays collide 39 Bispebjerg University 39 Dennis Todey 39 X #A scramjet 39 atmospheric 39 Rahmstorf 39 manager Mike Suffredini 39 Educator Astronauts 39 Tony Ceccacci 39 ozone particulate matter 39 Pluto dwarf 39 Mark Jaccard 39 Professor Wickramasinghe 39 Nasa Ames 39 CCCEH 39 Mutel 39 geological sequestration 39 planet Gliese #g 39 Paal Prestrud 39 Anisotropy Probe 39 acidic oceans 39 Oefelein piloted 39 Kim Carstensen WWF 39 Observatory SDO 39 Radioastronomy 39 surface temperatures SSTs 39 parachutes malfunctioned 39 atmospheric concentrations 39 Orion Ares 39 2oC 39 Jean Luc Margot 39 Weather Prediction 39 temperature reconstructions 39 Earth rotational axis 39 SBSP 39 Bottke 39 moon gravitational pull 39 Cygnus Lyra region 39 Meteoritics 39 Shuttle astronaut 39 Tropical Rainfall Measuring 39 Mystery Object 39 spokeswoman Eryn Witcher 39 neutron spectrometer 39 Comet 9P/Tempel 1 39 IBEX Lo 39 administrator Lori Garver 39 Serreze 39 spacefaring civilization 39 Astrophysical Institute 39 mineralogical mapping 39 Kargel 39 rotational axis 39 bovine flatulence 39 MODIS instrument 39 Glaciologist 39 crewed spacecraft 39 Planetary Exploration 39 CarbonSMART ™ enterprise 39 Mars Orbiter 39 Upsilon Andromedae 39 Climate Sounder 39 SM4 38 Hyakutake 38 commander Dmitry Kondratyev 38 NAVSTAR Global Positioning System 38 executive Seymour Himmel 38 Kurt Retherford 38 NASA Lunar Crater 38 EarthCARE 38 Spacewatch 38 www.nasa.gov ntv 38 Tad Pfeffer 38 Schladow 38 Launch Scrubbed 38 Spectroradiometer MODIS 38 Avoiding Dangerous Climate Change 38 COSPAR 38 Alexander Bedritsky 38 Bryan Mignone 38 Yinghuo 1 38 Keck telescope 38 cosmic ray 38 Rapid Intensification Processes 38 O OREOS 38 Research Institute NSBRI 38 Pete Theisinger 38 ESA SMART 38 gamma ray emission 38 Mid Infrared 38 planet magnetosphere 38 Horizons Principal Investigator 38 Climate Impacts Group 38 Russell Schweickart 38 retrograde orbits 38 global warming 38 Mercury Planetary Orbiter 38 emits #g/km [001] 38 Space Physics LASP 38 tropopause 38 Chandrayaan II 38 Kuiper Belt Objects 38 NEOSSat 38 anthropogenic greenhouse gas 38 ice cream tubby 38 boreal ecosystems 38 Robotic Exploration 38 scramjet engines 38 Arctic oscillation 38 mission Chandrayan 38 NASA.gov 38 manned lunar missions 38 Shuttle Endeavour docks 38 El Nino La Nina 38 Astronomical Society AAS 38 Orbiting Carbon Observatory 38 geosynchronous 38 polar caps 38 journal Systematics 38 Apollo Lunar Module 38 whiz harmlessly 38 geosynchronous Earth 38 Wuebbles 38 Dev Niyogi 38 SPACE SHUTTLE 38 Mars CRISM 38 Clementine spacecraft 38 Joe Romm 38 legally binding pact obligating 38 Interior Laboratory GRAIL 38 Phobos Grunt 38 gravitational keyhole 38 Oliver Rapf 38 Dr. Maria Neira 38 International Geosphere Biosphere 38 geodynamics 38 inhabitable planets 38 electron flux 38 Saturn Cassini 38 Scheeres 38 Gerard Kuiper 38 Relations Observatory STEREO 38 hardware Theisinger 38 GLBRC 38 stellar occultations 38 climatic variability 38 Huygens mission 38 Michoud La. 38 Crab pulsar 38 Admiral Gehman 38 SwRI Space 38 carbon dioxide concentrations 38 Douglas Hudgins Kepler 38 cow farts 38 Kathy Wollard 38 CMB radiation 38 Joe Gershtenson 38 storage semiconductor HB-LED/wireless 38 Annual Great Moonbuggy 38 GRAIL mission 38 Lunar Outpost 38 Medieval Warm Period MWP 38 Bjorn Lomborg 38 Reid Detchon 38 Woodrow Whitlow 38 Mahi Sideridou 38 megafauna extinction 38 EPOXI spacecraft 38 ion propulsion engines 38 Garnaut Review 38 Planetary Scientist 38 moons orbiting Saturn 38 subtropical oceans 38 IIASA 38 planetary warming 38 electroweak 38 A. Cernan 38 John Yembrick 38 DARREN SAMUELSOHN 38 solar corona 38 Lunar Crater 38 Jiang Kejun 38 Wide Procurement SEWP 38 magnetic polarity 38 Neanderthal extinction 38 NLSI 38 curbing heat trapping 38 shielding tiles 38 cometary impacts 38 Constellation Ares 38 manmade CO2 emissions 38 Jack Lousma 38 Pacific Decadal Oscillation PDO 38 Saleemul Huq 38 polar oceans 38 Braukus 38 gravitational interaction 38 Cassini Huygens Mission 38 these windfalls Lunsford 38 Paul Spudis 38 Schmittner 38 sulfur oxides nitrogen oxides 38 Carbon Mitigation 38 orbital altitudes 38 geoid 38 thruster firings 38 X ray Telescope XRT 38 Earth 38 periodic dimming 38 mandatory emission reductions 38 Craig Steidle 37 Cassini scientist 37 Saturnian 37 glacial melt 37 Space Shuttle Launch 37 Peter Vitousek 37 Rick Gilbrech 37 Cargo Launch Vehicle 37 X ray telescopes 37 MESSENGER Spacecraft 37 decadal surveys 37 Mercury flyby 37 ESA Rosetta 37 Abyd Karmali 37 manmade global warming 37 Henry Bortman 37 comet Lulin 37 Convection Rotation 37 HUDF 37 Milt Heflin 37 Daniel Esty 37 Jellyfish swarm northward 37 glacier shrinkage 37 Worldwatch 37 visit http:/www.nasa.gov/shuttle 37 Doppler shifts 37 director Chuck Dovale 37 Hydrocarbons mixture 37 Hubble Space 37 Stardust NExT 37 Sergei Gorbunov spokesman 37 CALIPSO satellites 37 vibrational frequency 37 planetary alignments 37 Climatic Change 37 Mars Reconnaissance Orbiter MRO 37 highly elliptical orbits 37 Spacesuits 37 Planetary Science 37 collectSPACE.com 37 Paul Crutzen 37 Holly Ridings 37 NASA Administrator 37 cosmic collisions 37 neutral mass spectrometer 37 Kevin Knobloch 37 nasa.gov 37 GCEP 37 Kert Davies 37 intrinsic brightness 37 LCROSS mission