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(Click for frequent words.) 61 Alessandro Morbidelli 60 Michael Zolensky 60 Institut d' Astrophysique de 60 Ellen Stofan 59 Ontario Lacus 59 Observatoire de Paris 59 Pierre Simon Laplace 58 midlatitudes 58 Francois Bouchy 58 Peter Jenniskens 58 Hakan Svedhem 58 Bernard Foing 58 Jacques Laskar 58 Stephane Udry 58 Huygens mission 58 Mate Adamkovics 57 lunar equator 57 shadowed craters 57 CoRoT 9b 57 Giovanna Tinetti 57 Ulysses spacecraft 57 Mini SAR 57 Gerard Kuiper 57 subsurface ocean 56 Anthony Colaprete principal 56 CoRoT satellite 56 orbiting gamma ray 56 Spatiale des 56 Gif sur Yvette 56 Bonnie Buratti 56 Henri Becquerel 56 Anthony Remijan 56 ship Akademik Fyodorov 56 Composite Infrared Spectrometer 56 Didier Raoult 56 planetary Transits 55 lunar craters near 55 Grenoble Observatory 55 Shackleton crater 55 Qiang Fu 55 lunar craters 55 Paul Tafforeau 55 VIRTIS 55 Klekociuk 55 Joseph Fourier 55 IFM GEOMAR 55 equatorial regions 55 EPOCh 55 Saturn moon Enceladus 55 Foing 55 William Bottke 55 Shackleton Crater 54 Martian meteorites 54 Planetary Fourier Spectrometer PFS 54 Antarctic Dry Valleys 54 Solar Terrestrial Physics 54 Kounaves 54 Christophe Sotin 54 Vittorio Formisano 54 THEMIS mission 54 Pascale Ehrenfreund 54 Ferenc Krausz 54 Manchester Jodrell Bank 54 Pierre Drossart 54 COROT 7b 54 gamma ray observatory 54 arctic plains 54 planet Gliese #g 54 Gerhard Neukum 54 Paul Kneib 54 Eske Willerslev 54 Hamish Pritchard 54 Nili Fossae 54 Josefino Comiso 54 Franck Marchis 53 Huygens descent 53 Moon Mineralogy Mapper M3 53 Natalie Batalha 53 Giovanni Picardi 53 composite infrared spectrometer 53 lunar magma 53 Paul Spudis principal 53 Christophe Lovis 53 permanently shadowed craters 53 Krimigis 53 Katlenburg Lindau Germany 53 N. Rathnasree 53 Squyres Cornell 53 Jonathan Lunine 53 NASA WMAP 53 Larry Soderblom 53 tholins 53 Cabrol 53 Cancri e 53 Envisat satellite 53 Jeffrey Kargel 53 Wick Haxton 53 Meridiani 53 magma ocean 53 ESA ASI 53 Bramley Murton 53 journal Meteoritics 53 Microscopy Electrochemistry 53 Cassini magnetometer instrument 53 Michael Studinger 53 twin STEREO spacecraft 53 Jay Melosh 53 Alexander Goncharov 53 smallest exoplanet 53 Max Planck Institut fur 52 Research INSERM 52 Jay Zwally 52 MARSIS 52 Radioastronomy 52 Compact Reconnaissance Imaging Spectrometer 52 ESA XMM Newton 52 Sasselov 52 Abdussamatov 52 Dikpati 52 Joel Primack 52 Willerslev 52 Fermi telescope 52 SPICAM 52 Alfred Wegener 52 ESA Cluster 52 Planetary Transits 52 NASA Lunar Prospector 52 Commissariat à l' Énergie 52 Hellas Basin 52 Laboratoire d' Astrophysique de 52 Convection Rotation 52 perchlorate salts 52 Comet Encke 52 Anisotropy Probe 52 Venusian atmosphere 52 liquid ethane 52 HD #b [002] 52 journal Astronomy 52 Corot 9b 52 Astrophysics Cambridge Mass. 52 Cassini flyby 52 polar vortex 52 Jovian moon 52 neutron spectrometer 52 Cosmic Microwave Background 52 Drake Deming 52 Clementine spacecraft 52 Ken Edgett 52 Maunder minimum 52 mineral olivine 52 Sahel geostrategy 52 sterile neutrino 52 Martin Tomasko 52 Stéphane Udry 52 IFREMER 51 Evolutionary Anthropology Leipzig 51 geoneutrinos 51 orbited Jupiter 51 Saturn moon 51 Cassini radar 51 hydrated minerals 51 Vassilis Angelopoulos 51 extrasolar 51 Lunar Prospector 51 Brera Observatory 51 exoplanetary 51 Hal Levison 51 MG J# +# 51 Rainer Klement 51 Astrophysical Institute 51 NASA Far Ultraviolet 51 Cabeus 51 moon permanently shadowed 51 de la Recherche Scientifique 51 Institut Gustave Roussy 51 KamLAND 51 Mars CRISM 51 Ice Coring 51 Enric Palle 51 Roberto Danovaro 51 Murchison meteorite 51 Yun Qian 51 Spudis 51 Kazantzidis 51 Eric Rignot 51 Svensmark 51 Richard Vondrak 51 Cassini magnetometer 51 National d' Etudes 51 Makiko Sato 51 Hesperian epoch 51 Xiaodong Song 51 Saturnian moon Titan 51 prebiotic molecules 51 magnetic monopole 51 Martian dust 51 exo planets 51 carbonaceous chondrite 51 Friis Christensen 51 ESA Mars 51 Dante Lauretta 51 XMM Newton X ray 51 Di Achille 51 permanently shadowed crater 51 Fomalhaut b 51 Corot 7b 51 Lunine 51 Weiqing Han 51 Upsilon Andromedae b 51 Colin Pillinger 51 Planck spacecraft 51 Permian extinction 51 Laboratoire d' 51 spacecraft flyby 51 Phoenix Microscopy Electrochemistry 51 galactic cosmic rays 51 OMEGA instrument 51 rocky extrasolar planet 51 exoplanets planets 51 moon Enceladus 51 Hörst 51 icy comets 51 Storrie Lombardi 51 BLG #Lb 51 COROT 51 Syrtis Major 51 Doppler measurements 51 Bruce Wielicki 50 Anthony Colaprete 50 Wolszczan 50 Louise Prockter 50 Universite Pierre 50 Mojzsis 50 spectroscopically 50 Gregory Asner 50 atmospheric oceanic 50 Atmospheric Physics 50 ah dus 50 laser altimeter 50 comet McNaught 50 Ray Jayawardhana 50 Oort cloud 50 Necker Hospital 50 RHESSI 50 Son Nghiem 50 Terrestrial Magnetism 50 neutrino physics 50 Infrared Array Camera 50 Andrea Baccarelli 50 Astrophysics Laboratory 50 lunar meteorites 50 seabed sediments 50 Aqua satellite 50 permanently shadowed 50 Muséum National 50 Shallow Radar instrument 50 Ghassem Asrar 50 Ifremer 50 Martian polar 50 Cloud Aerosol Lidar 50 Kiruna Sweden 50 ray Space Telescope 50 Dr. Abbas Ardehali 50 Nilton Renno 50 Dausset 50 Saturn Enceladus 50 astrobiological 50 ammonia hydrate 50 Mars Reconnaissance Orbiter MRO 50 Hubert Curien 50 WASP #b 50 supercomputer simulations 50 Planck satellite 50 asteroid Eros 50 Giovanni Cassini 50 Ohmoto 50 WMAP satellite 50 Jenniskens 50 jarosite 50 Glaciology 50 Philippe Amouyel 50 Paris Sud 50 gaseous planet 50 Philip Mote 50 Paul Sabatier 50 Orbiter LRO 50 CDMS experiment 50 Anthony Colaprete LCROSS 50 Dimitar Sasselov 50 Wide Angle Search 50 Frank Bertoldi 50 DIXI 50 Centre d' Etudes 50 X ray spectrometer 50 Calar Alto Observatory 50 ONERA 50 Nikku Madhusudhan 50 Brigham Grette 50 Omar Baddour 50 Martian meteorite 50 Professor Wickramasinghe 50 NASA astrobiology 50 Spatiales 50 Wilkinson Microwave Probe 50 Commissariat Atomique 50 VY Canis Majoris 50 Dauphas 50 et de Recherches 50 spacecraft orbited 50 mesosphere 50 coronal loops 50 Comet Halley 50 Infrared Pathfinder Satellite 50 geomicrobiology 50 Foton M3 50 Gliese #d 50 Liger Belair 50 Dr. Jeffrey Peipert 50 Titan smoggy 50 Vikhlinin 50 Kailash Sahu 50 Francis Halzen 50 Earth magnetotail 50 Tod Strohmayer 50 de la Recherche Agronomique 50 Mary Voytek 50 Elisabeth Cardis 50 exo planet 50 Maria Zuber 50 clathrates 50 Earthlike planet 50 Huygens spacecraft 50 Mauna Kea Hawaii 50 Opportunity rover 50 micro meteorites 50 moons orbiting Saturn 50 Gerta Keller 50 Commissariat à l' Energie 50 CRISM 50 lunar crust 50 auroral emissions 50 ESRF 50 Professor Colin Pillinger 50 Xing Xu 49 geomagnetism 49 CoRoT 7b 49 Adam Riess 49 David Southwood ESA 49 Luterbacher 49 GJ #b [001] 49 ESO VLT 49 Neutron Detector 49 planet HD #b 49 phyllosilicates 49 Jeffrey Plaut 49 et Marie Curie 49 Deep Impact eXtended Investigation 49 Ken Herkenhoff 49 Atomique CEA 49 THEMIS satellites 49 neutrino oscillations 49 VIRTIS instrument 49 airglow 49 NASA Exobiology Program 49 telescopic observations 49 Gaetano Di Achille 49 DZero collaboration 49 constellation Carina 49 Cassini Ion 49 Igor Mitrofanov 49 Roberto Seu 49 Rignot 49 Computer simulations 49 Candor Chasma 49 neutrino telescope 49 Hegerl 49 Martian rovers 49 Erik Asphaug 49 Kuiper belt objects 49 Jupiter moon Io 49 smoothest flattest 49 HD#b 49 Robin Canup 49 spectroscopic observations 49 Scott Luthcke 49 Mars orbiting spacecraft 49 Jupiter icy moons 49 Natalia Rybczynski 49 Descent Imager Spectral Radiometer 49 transiting exoplanet 49 Rich Zurek 49 cloud microphysics 49 Biogeochemistry 49 Isabella Velicogna 49 Institut Pasteur Paris 49 polar mesospheric clouds 49 Kay Bidle 49 Hans Peter Uerpmann 49 Abigail Allwood 49 exoplanet atmospheres 49 Orientale Basin 49 Université Paris 49 Manfred Kayser 49 Philippe Bouchet 49 olivine mineral 49 graphite whiskers 49 asteroid collisions 49 mineralogical composition 49 megacryometeor 49 Grillmair 49 Kepler Mission 49 Anny Cazenave 49 Imaging Spectrometer 49 Samuel Oschin Telescope 49 NASA QuikScat satellite 49 Benjamin Santer 49 NASA THEMIS 49 Svedhem 49 cosmic ray flux 49 Japan NAOJ 49 AB Aurigae 49 Cassini ultraviolet 49 planetary magnetospheres 49 Otto Bliesner 49 MARSIS radar 49 Research CNRS 49 SOHO spacecraft 49 X ray observatory 49 electron neutrinos 49 ChemCam 49 Mars Odyssey Orbiter 49 INAF IASF 49 Geobiology 49 Aix Marseille 49 Alberto Saal 49 supersymmetric particles 49 Gliese #c 49 Vengosh 49 Bethany Ehlmann 49 Mössbauer 49 HARPS instrument 49 Toba eruption 49 neutral mass spectrometer 49 Roger Musson seismologist 49 Mandushev 49 Earthlike planets 49 pulsating aurora 49 Oort Cloud 49 Gustave Roussy Institute 49 Trojan asteroids 49 NASA Voyager spacecraft 49 Galileo spacecraft 49 Ignasi Ribas 49 gamma ray spectrometer 48 Shallow Subsurface Radar 48 Earth Observation Programmes 48 Ocean Salinity SMOS 48 Physique du Globe 48 Aberdeen Oceanlab 48 TrES 4 48 Sam Kounaves 48 Nasa Kepler 48 Climate Experiment GRACE 48 astrobiologists 48 journal Monthly Notices 48 EPOXI spacecraft 48 Canadell 48 Gavin Prideaux 48 Synte Peacock 48 climate modellers 48 Mercury flyby 48 Institut Curie 48 martian meteorites 48 XMM Newton satellite 48 Julienne Stroeve 48 Spectroscopic 48 Saturn magnetosphere 48 Mojib Latif 48 Orbiter MRO 48 Reinhard Genzel 48 Cassini ion 48 Kristin Laidre 48 Hopital Europeen Georges Pompidou 48 Cees Dekker 48 Michel Brunet 48 Saturn Cassini 48 Gehring minivan 48 neutrino experiment 48 Jupiter moons 48 Mars Climate Sounder 48 Paris Diderot 48 Paul Alivisatos 48 Govindasamy Bala 48 Upsilon Andromedae 48 Cristina Chiappini 48 NASA rover Spirit 48 equatorial latitudes 48 Cassini Huygens 48 ESA Planck 48 PSR B# +# 48 distant supernovas 48 carbonaceous chondrites 48 Lulin 48 Puijila 48 Gilles Montalescot 48 Planck observatory 48 Observatoire de Haute Provence 48 ESA Herschel 48 Mars Meridiani Planum 48 cometary dust 48 Christopher Chyba 48 Jayant Narlikar 48 Oliver Knickel 48 Colin Pillinger Beagle 48 hydroxyl molecules 48 shadowy craters 48 Heliospheric Observatory SOHO 48 Kurt Retherford 48 occultations 48 Vastitas Borealis 48 Observatoire de la 48 MINOS 48 NASA Cassini spacecraft 48 COSPAR 48 journal Astrobiology 48 moon Mab 48 Berinstain 48 Coel Hellier 48 Cabeus crater 48 spacecraft thrusters 48 Villigen Switzerland 48 Studies CNES 48 basaltic rocks 48 exobiology 48 Rosetta spacecraft 48 Siberian permafrost 48 sunlike star 48 Southern Observatory ESO 48 Dry Valleys 48 Hossam Haick 48 Pieter van Dokkum 48 Ed Weiler NASA 48 Geminga 48 XMM Newton 48 Freie Universitaet Berlin 48 Rayleigh scattering 48 OGLE TR #b 48 Maciej Konacki 48 Chandra Wickramasinghe 48 Richard Mushotzky 48 Meteoritics 48 Uninhabited Aerial Vehicle 48 Wilkinson Microwave Anisotropy Probe 48 galactic disk 48 EPOXI mission 48 geochemists 48 Lunar Reconnaissance 48 Humberto Campins 48 Laurie Leshin 48 Diviner 48 Von Frese 48 GLAST telescope 48 Appy Sluijs 48 Thiemens 48 permanently shadowed lunar 48 robotic landers 48 proton decay 48 Fred Hoyle 48 Landsat satellite 48 mid latitudes 48 Julia Slingo 48 Gerard Liger Belair 48 Igor Semiletov 48 Laptev Sea 48 Huygens lander 48 Rolf Kudritzki 48 Dan Durda 48 journal Icarus 48 Space Physics 48 INMS 48 Super Kamiokande 48 Hubble Space Telescope HST 48 aerosol concentrations 48 NASA Jet Propulsion Lab 48 Martian arctic 48 Arnold Kriegstein 48 Nathan Kaib 48 Fran Bagenal 48 Clay F. Semenkovich 48 Johny Setiawan 48 thermal vents 48 Gaensler 48 Herschel telescope 48 physics astrophysics 48 LCROSS mission 48 Garching Germany 48 Professor Pillinger 48 Planetary Physics 48 Ziurys 48 diffuse aurora 48 Malcolm Fridlund 48 shaded craters 48 Ecole Normale Supérieure 48 Express orbiter 48 Solar TErrestrial RElations Observatory 48 YORP effect 48 McMurdo Dry Valleys 48 infrared interferometry 48 Mewaldt 48 magnetospheric 48 Nasa Ames 48 Chasma Boreale 48 Madhulika Guhathakurta 47 Hinode spacecraft 47 Sunil Kochhar 47 Gamma ray burst 47 Halzen 47 Minamata institute 47 poisoning Zimpfer 47 Rosaly Lopes 47 sulfate salts 47 Mars Squyres 47 Computational Cosmology 47 Ecole Normale Superieure 47 Jakosky 47 Wilfried Haeberli 47 Imke de 47 climate modeller 47 Stassun 47 Eva Schernhammer 47 Noah Diffenbaugh 47 cryovolcanism 47 antihelium 4 47 outer corona 47 lunar regolith 47 ALH# 47 Gerasimos Papadopoulos 47 Hans Deeg 47 Galilean satellites 47 retrograde orbit 47 zodiacal light 47 lunar soil 47 Tarduno 47 William Happer 47 JIMO 47 Earth radii 47 Noctilucent clouds 47 evaporite deposits 47 NPO Lavochkin 47 CfA 47 photochemistry 47 Kelvin -# 47 Sushil Atreya 47 Linda Spilker Cassini 47 Climate Impacts Group 47 Harlow Shapley 47 extrasolar planet 47 Virtual Planetary Laboratory 47 Anthony Swerdlow 47 spectroscopic analysis 47 southerly latitudes 47 Physikalisch Technische Bundesanstalt PTB 47 polar craters 47 Fermi LAT 47 Laser Interferometer Gravitational Wave 47 Hot Jupiters 47 NASA Cosmic Background 47 Diviner instrument 47 Mark Tarnopolsky 47 Conductivity Analyzer MECA 47 planetary geologist 47 Postberg 47 Nasa Mars Reconnaissance 47 Antarctica EPICA 47 Alexander Kashlinsky 47 author Preeti Pathela 47 transiting exoplanets 47 Georges Cuvier 47 La Silla observatory 47 CoML 47 Xavier Bonfils 47 Malte Meinshausen 47 Alfred McEwen 47 solar nebula 47 Milankovitch 47 Tony Wyss Coray 47 Ionospheric Sounding 47 smoothest flattest spot 47 Xavier Delfosse 47 melt inclusions 47 asteroseismology 47 identify chromosomal translocation 47 Doug Inkley senior 47 geologically active 47 gravitational microlensing 47 Hydrospheric 47 Udry 47 tardigrades 47 Annette Pruss Ustun 47 Alex Kreiss 47 Observatory LDEO 47 Planetary Geology 47 ferric oxides 47 moonquakes 47 Centre de Recherche 47 carbonate globules 47 Joan Kleypas 47 sulfur isotope 47 Johannes Lehmann 47 Magellanic Stream 47 Paleoclimate 47 ASPERA 47 Olaf Blanke 47 Pierre Friedlingstein 47 Planetary Science Institute 47 APXS 47 penetrating radar 47 CNRS Universite 47 Geochemical analysis 47 van Arkel discovery 47 zodiacal dust 47 moons Europa 47 moons orbiting 47 permanently shadowed regions 47 Ultraviolet Imaging Spectrograph UVIS 47 COBE satellite 47 Jurgen Rehm 47 Anyamba 47 ocean sediment cores 47 reanalysed 47 Hubble Near Infrared 47 Antarctic icecap 47 Sugata Hazra 47 Neukum 47 Jupiter moons Europa 47 LAGEOS 47 Gliese #e 47 P/# A2 47 Dr. Gianni Belcaro 47 Cassini interdisciplinary 47 Eduardo Zorita 47 Professor Chandra Wickramasinghe 47 Hubble observations 47 SMOS 47 Frascati Italy 47 SMOS mission 47 Martian lander 47 Bonneville Crater 47 GALEX 47 Pierre Auger Observatory 47 deep convective clouds 47 Bart De Pontieu 47 radial velocity technique 47 Imaging Spectroradiometer MODIS instrument 47 stellar occultations 47 Exobiology 47 Smos 47 polarimetric 47 Terra Meridiani 47 Université Pierre 47 Comet 9P/Tempel 1 47 exosphere 47 planemos 47 clumpiness 47 neutrino experiments 47 habitable zones 47 Optical Gravitational Lensing Experiment 47 Sara Seager 47 Oded Aharonson 47 Paul Thornalley 47 Fermi Telescope 47 Ruthann Rudel 47 Mars Color Imager 47 Viking orbiters 47 National Astronomical Observatory 47 Robotic Arm Camera 47 Universite de 47 Centre d' Etude 47 Rosetta lander 47 Bill Borucki Kepler 47 Tommaso Treu 47 Dan Werthimer 47 muon neutrinos 47 infrared mapping spectrometer 47 sub glacial lakes 47 Comet Hartley 2 47 Syun Ichi Akasofu 47 spokesman Franco Bonacina 47 Planitia 47 Planck telescope 47 Bedout 47 NASA Orbiting Carbon 47 Marika Holland 47 Nicholas Conard 47 Lewis Dartnell 47 Henrik Svensmark 47 Joseph Alcamo 47 Villy Christensen 47 AMSR E 47 accelerator mass spectrometry 47 Microlensing 47 Institut de Recherches 47 Jupiter Ganymede 47 renowned astrophysics observatory 47 Biological Cybernetics 47 polar latitudes 47 Jamie Elsila 47 Higgs bosons 47 Cryogenian 47 Advanced Microwave Scanning 47 Mars northern latitudes 47 O OREOS 47 KT boundary 47 planets orbiting distant 47 Bruce Margon 47 Institut Laue Langevin 47 Natalie Mahowald 46 NASA EPOXI mission 46 orbiting Chandra 46 Jianli Chen 46 Laboratory SSRL 46 Franco Bonacina 46 galactic mergers 46 imaging spectrometer 46 Milano Bicocca Italy 46 subglacial lakes 46 hunting Kepler telescope 46 Hesperian Epoch 46 conclusions NASA Astrobiology 46 lunar poles 46 HiRISE image 46 De Pontieu 46 Viking Orbiter 46 Martian terrain 46 Inez Fung 46 nanobacteria 46 Laboratory RAL 46 Rudloe Dickerson Bay 46 Isidis Planitia 46 noctilucent clouds 46 Philippe Charlier 46 Svalbard archipelago 46 GJ #b [002] 46 Andrew Abercromby 46 Cosmic Background Explorer COBE 46 Saturnian moon 46 Mossbauer 46 convective clouds 46 lunar orbiters 46 Monique Breteler 46 comet flyby 46 Infrared Thermal Imaging Spectrometer 46 planets atmospheres 46 Cassini 46 Institut d' Astrophysique Spatiale 46 planetary astronomer 46 Biomedical Problems 46 protoplanet 46 constellation Eridanus 46 Evolution Explorer 46 science journal Nature 46 Nasa Jet Propulsion 46 Shuang Zhang 46 gamma rays emitted 46 Galaxy Evolution 46 Mars Odyssey spacecraft 46 Elenin 46 micrometeorite impacts 46 Alycia Weinberger 46 Lamont Doherty 46 single celled algae 46 auroral 46 AERONET 46 research vessel Polarstern 46 Barry Barish 46 GKSS Research 46 Ranging spacecraft 46 Noachian era 46 NASA Wilkinson Microwave 46 cometary material 46 Aiguo Dai 46 Gliese #g 46 Heterodyne Instrument 46 Geochemistry 46 Bernhard Fleck 46 Proba 2 46 Betsy Weatherhead 46 isostatic rebound 46 CIRES 46 planetary astronomy 46 neutrino mass 46 Crozet Islands 46 particle detector 46 Regenstrief Institute affiliated 46 martian 46 Jupiter Icy Moons Orbiter 46 plume drifting 46 UKIRT 46 red supergiant 46 phyllosilicate 46 Virgo Cluster 46 NASA LCROSS 46 extrasolar planetary systems 46 planetary geology 46 Eawag 46 comet chaser 46 Near Infrared Camera 46 superheavy elements 46 Ground penetrating radar 46 Charles Beichman 46 sediments deposited 46 paleomagnetic 46 Relations Observatory STEREO 46 D CIXS 46 Fritz Haber Institute 46 ExoMars rover 46 archaic ungulates 46 Semiletov 46 solitary locusts 46 Tunguska meteorite 46 spiral nebulae 46 subglacial lake 46 Martian gullies 46 NICMOS observations 46 d' Histoire Naturelle 46 Atomique 46 Saharan dust 46 Gerald Meehl 46 Lake Vostok 46 Gusev crater 46 Vladimir Keilis Borok 46 planetary nebulae 46 planet Gliese #c 46 gray hematite 46 IRC +# 46 Lika Guhathakurta 46 Titan Saturn 46 Gabriele Gentile 46 Yinghuo 1 46 GJ#b 46 Cassini flybys 46 neutrino detectors 46 CNRS 46 Charles Elachi 46 ESA SMART 46 Max Planck Institut fuer 46 tropic regions 46 icy moons 46 Red Planet 46 Magnetars 46 Olivier Rabin 46 meteor impacts 46 magnetic monopoles 46 linear collider 46 unconventional superconductivity 46 RXTE 46 mere fly bys 46 Cassini Huygens spacecraft 46 cosmic ray observatory 46 Institut Jules Bordet 46 meteoroid impacts 46 panspermia 46 Jianjun Yin 46 Velicogna 46 X ray pulses 46 Propulsion Laboratory 46 proto planetary disk 46 UVIS instrument 46 Lunar Exploration 46 LSND 46 Richard Binzel 46 Ordovician extinction 46 volcanic plumes 46 Milano Bicocca 46 sheet Summerhayes 46 Institut des Sciences 46 Sigurd Hofmann 46 Andrea Ghez 46 sunlike stars 46 previously undescribed 46 Rychard Bouwens 46 Nasa spacecraft 46 stratospheric clouds 46 Nicolas Dauphas 46 earliest hominid 46 Image NASA JPL 46 spectrographic 46 ostracods 46 radio occultation 46 Nasa Goddard Space 46 greatest insect emergences 46 synchrotron x ray 46 Biomedicine IRB Barcelona 46 photochemical reactions 46 NASA Stratospheric Observatory 46 Ranging MESSENGER spacecraft 46 Total Ozone Mapping 46 Nasa Mars Odyssey 46 Harvard Smithsonian Astrophysical