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(Click for frequent words.) 68 Caltech astronomer 63 Andrea Ghez 62 planetary astronomer 62 Franck Marchis 61 planetary scientist 61 nicknamed Xena 60 Shri Kulkarni 60 Richard Binzel 60 Christopher Chyba 60 Luann Becker 60 Sara Seager 59 Nathan Kaib 59 Nima Arkani Hamed 59 Clyde Tombaugh discovered 59 Wolszczan 59 Joel Primack 59 Kip Thorne 59 Alex Filippenko 59 Avishay Gal Yam 58 Huchra 58 planetary science 58 Sasselov 58 Kepler Mission 58 Lewis Dartnell 58 MIT planetary scientist 58 Maria Zuber 58 astrophysics 58 UA Steward Observatory 58 Dante Lauretta 58 Jeffrey Kargel 57 Storrie Lombardi 57 Planetary Physics 57 Planetary scientist 57 Gaensler 57 Gregory Benford 57 Natalie Batalha 57 Mark Changizi 57 Francesco Stellacci 57 Kevin Schawinski 57 planetary geology 57 Avi Loeb 57 Harlow Shapley 57 Roukes 57 Rychard Bouwens 57 theoretical astrophysicist 57 Gerard Kuiper 56 Lawrence Krauss 56 Vikhlinin 56 Inez Fung 56 planetary geologist 56 Erik Asphaug 56 theoretical astrophysics 56 Greg Delory 56 Rolf Kudritzki 56 astronomer 56 Raymond Jeanloz 56 Mandushev 56 Halton Arp 55 Ray Jayawardhana 55 Stan Woosley 55 Adam Riess 55 Lunine 55 Max Tegmark 55 Chandra Wickramasinghe 55 exo planet 55 Cosmologist 55 Gael Chauvin 55 Corot 7b 55 Charles Beichman 55 Caltech 55 Saul Perlmutter 55 Yukawa Institute 55 Jay Melosh 55 Peter Jenniskens 55 nanomechanics 55 Scripps Oceanography 55 Ellen Stofan 55 Kuiper belt objects 55 Pieter van Dokkum 54 James Gimzewski 54 Rainer Klement 54 Gregory Asner 54 Carlos Frenk 54 Mackay Sim 54 Astrophysicist 54 largest moon Charon 54 Jamie Elsila 54 Foing 54 Paleoanthropologist 54 Dimitar Sasselov 54 Vladimir Keilis Borok 54 Bryan Gaensler 54 exoplanet 54 astrobiology 54 Dr. Daniel Geschwind 54 terrestrial planets 54 astrobiological 54 Jeremy Bailenson 54 Bruce Margon 54 Reneke 54 Kuiper Belt Objects 54 George Djorgovski 54 astronomy 54 Wolfgang Ketterle 54 Garth Illingworth 54 astrophysical sciences 54 Maciej Konacki 54 Dan Werthimer 54 Tommaso Treu 54 Fran Bagenal 54 Squyres Cornell 54 Atmospheric Oceanic 54 Alberto Saal 54 Friis Christensen 54 Hiroo Kanamori 54 Dava Newman 54 Pasachoff 54 geobiologist 54 Geoffrey Marcy 54 Fred Hoyle 54 Jenniskens 54 Pluto Charon 54 Jonathan Lunine 54 exo planets 53 Filippenko 53 Hakan Svedhem 53 Min Gu 53 Ariel Anbar 53 Neil DeGrasse Tyson 53 Mate Adamkovics 53 Manchester Jodrell Bank 53 ESA Herschel 53 Meteoritics 53 Boyle Weblog 53 Astrophysical 53 TrES 4 53 magnetospheric imaging instrument 53 Christophe Lovis 53 Planetology 53 Drake Deming 53 extrasolar planets orbiting 53 Bethany Ehlmann 53 Freie Universitaet Berlin 53 Hans Deeg 53 Hossam Haick 53 Grillmair 53 Volker Bromm 53 Geophysical Sciences 53 Andrew Fraknoi 53 Tarduno 53 Uranus Neptune 53 CfA 53 Oded Aharonson 53 Mamajek 53 Pierre Simon Laplace 53 Richard Binzel professor 53 Neils Bohr 53 Particle physics 53 Jean Luc Margot 53 Ketterle 53 Nasa Jet Propulsion 53 journal Icarus 53 exoplanetary 53 Mullard Space Science 53 extrasolar planets 53 astrophysicist 53 Martin Tomasko 53 journal Meteoritics 53 NASA astrobiology 52 Margarita Marinova 52 Harold D. Stolovitch 52 Cosmic Microwave Background 52 Frank Bertoldi 52 MIT Haystack Observatory 52 Mario Livio 52 Chunlei Guo 52 Bottke 52 Meg Urry 52 Scheeres 52 Gravitational lensing 52 Wettergreen 52 Dirk Schulze Makuch 52 Awschalom 52 Katzman Automatic 52 Steward Observatory 52 Babak Parviz 52 Murray Gell Mann 52 Keck Graduate 52 Son Nghiem 52 Richard Mushotzky 52 Anthony Remijan 52 Ferenc Krausz 52 WASP #b 52 Gidon Eshel 52 Alex Zettl 52 Yoel Fink 52 Bruce Jakosky 52 Glaciologist 52 Aberdeen Oceanlab 52 Yadin Dudai 52 Christof Koch 52 Seymour Benzer 52 millisecond pulsar 52 Stephen Krashen 52 Andrew Glikson 52 Nasser Peyghambarian 52 Richard Berendzen 52 biological anthropology 52 Robert Vrijenhoek 52 Lee Smolin 52 William Bottke 52 renowned cosmologist 52 Gehrels 52 geobiology 52 Marco Iacoboni 52 Lick Observatory 52 Djorgovski 52 extrasolar 52 Justin Halberda 52 cosmologist 52 Deep Impact Principal Investigator 52 Kay Bidle 52 Stassun 52 interstellar cloud 52 Asantha Cooray 52 Fred Spoor 52 Reinhard Genzel 52 Fundamental Physics 52 Smithsonian astronomer 52 Technology Caltech 52 Nikku Madhusudhan 52 Giovanni Fazio 52 Hari Manoharan 52 distant supernovae 52 X ray telescopes 52 Cassini scientist 52 Bruce Rittmann 52 Saturn Enceladus 52 Space Physics 52 geological sciences 52 MIT Kavli Institute 52 Carnegie Institution planetary geologist 52 particle astrophysics 52 Kevin Padian 52 Roger Bilham 52 Extraterrestrial Intelligence Institute 52 BY EDWARD ZERIN 52 Mark Aldenderfer 52 Erkki Ruoslahti MD Ph.D. 52 Mehmet Fatih Yanik 52 de Pater 51 Giovanni Cassini 51 Arizona Steward Observatory 51 Matthew Crenson Johns Hopkins 51 quantum optics 51 Coel Hellier 51 Vassilis Angelopoulos 51 HD#b 51 Thiemens 51 biometeorology 51 Kuiper Belt object 51 extrasolar planetary systems 51 Michael Zolensky 51 Wilhelm Conrad Roentgen 51 Paula Fass 51 Astrobiology 51 Adrian Melott 51 Seoul Soongsil University 51 Chris Lintott 51 Charon Pluto 51 Jody Bourgeois 51 Alexey Vikhlinin 51 Sigurd Hofmann 51 Winston Seiler 51 Sushil Atreya 51 J. Heeger 51 Jay Pasachoff 51 geomagnetism 51 Harvard Smithsonian Astrophysical 51 Nobel laureate physicist 51 Galaxy Evolution 51 Paul Alivisatos 51 Von Frese 51 Jedicke 51 Felisa Wolfe Simon 51 A'Hearn 51 Astrophysics 51 exoplanets 51 Raphael Kudela professor 51 Owen Gingerich 51 asteroid collisions 51 habitable planets 51 Christoph Weder 51 Gamma ray burst 51 Observatoire de Paris 51 Dauphas 51 Vourlidas 51 Villy Christensen 51 Beichman 51 vertebrate palaeontology 51 UA Lunar 51 Electorate Nominating Committee 51 Michael Merzenich 51 Mary Voytek 51 Mojzsis 51 Zarnecki 51 Cancri e 51 celestial object 51 Niels Bohr Institute 51 CU Boulder physics 51 Carlo Pedretti 51 Berman Bioethics 51 Kenneth Suslick 51 astronomer Clyde Tombaugh 51 Robin Canup 51 Physics Wilhelm Röentgen 51 Jianli Chen 51 Rogier Windhorst 51 solar corona 51 Rudolf Grimm 51 Cassini ultraviolet 51 Earthlike planet 51 Sir Harold Kroto 51 inhabitable planets 51 Ralph Adolphs 51 Pluto Eris 51 NASA Fermi Gamma 51 Earthlike planets 51 Keck Observatory 51 Harold Kroto 51 NASA astrophysicist 51 PSR B# +# 51 Lance LeLoup 51 Fraknoi 51 Theodor Hänsch 51 rocky extrasolar planet 50 astrophysical 50 Arno Penzias 50 Joe Veverka 50 udesk@unc.edu 50 Henrik Svensmark 50 Pavel Pevzner 50 Didier Sornette 50 Palomar Observatory 50 Hamish Pritchard 50 Anisotropy Probe 50 Vakoch 50 Anthony Barnosky 50 superstrings 50 Bohdan Paczynski 50 Hubble observations 50 CALTECH 50 Kuchner 50 Bonnie Buratti 50 Thomas Zurbuchen 50 Astrophysicists 50 Alaska Fairbanks Geophysical 50 asteroseismology 50 Hörst 50 Geza Gyuk 50 CoRoT 9b 50 matter antimatter asymmetry 50 Henry Bortman 50 Jakosky 50 Spacewatch 50 Holonyak 50 Dalcanton 50 Jan Zalasiewicz 50 Alexander Goncharov 50 physics astrophysics 50 Robert Jedicke 50 Nina Jablonski 50 Allan Sandage 50 GJ #b [001] 50 Meenakshi Wadhwa 50 Lynn Margulis 50 David Wettergreen 50 Astrobiology Magazine 50 Crab Pulsar 50 Peter Grünberg 50 constellation Carina 50 astronomers 50 Ed Weiler 50 planets orbiting distant 50 Marcus Chown 50 London Mullard Space 50 planetary Transits 50 Maria Karayiorgou 50 Santa Barbara UCSB 50 X ray observatory 50 transiting exoplanet 50 Samuel Oschin Telescope 50 Japan NAOJ 50 Harry Kroto 50 infrared observatory 50 Wilkinson Microwave Anisotropy Probe 50 Rustum Roy 50 Martin Haehnelt 50 Nadrian Seeman 50 Andrew Dessler 50 sedimentary geology 50 Peru Geophysics 50 Duari 50 NASA THEMIS 50 planetary sciences 50 Stefanie Komossa 50 Xiang Zhang 50 Pluto 50 Dennis Van Gerven 50 Margaret Leinen 50 Tegmark 50 George Gamow 50 Louis Ignarro 50 Image NASA JPL 50 Carl Friedrich Gauss 50 Hans Laufer 50 Steven Cummer 50 Mark Zoback 50 Carl Wieman 50 Giacconi 50 Rasio 50 Charles Bailyn 50 Cosmology 50 Makiko Sato 50 exoplanets orbiting 50 ESA Integral 50 neutrino physics 50 Paul Kneib 50 Sejnowski 50 Roger Tsien 50 Carl Woese 50 Physics Applied Physics 50 Kounaves 50 Follow LiveScience 50 Gerhard Neukum 50 du Sautoy 50 Lucy Hawking 50 NASA Jet Propulsion Lab 50 OSU Linus Pauling 50 Spudis 50 High Angular Resolution 50 Russell Cowburn 50 Phillip Messersmith 50 NASA Kepler spacecraft 50 extrasolar planet 50 Carnegie Mellon Robotics 50 Submillimeter Array 50 NASA Far Ultraviolet 50 journal Astrobiology 50 Kailash Sahu 50 Shuhai Xiao 50 Marc Levoy 50 Observatory astronomer 50 Donald Johanson 50 Ziurys 50 Santa Cruz UCSC 50 Fermi telescope 50 theoretical physicist 50 Fritz Zwicky 50 Andrea Sella 50 IBM Almaden Research 50 cosmology 50 ray Space Telescope 50 Wills Neuroscience 50 Roald Hoffman 50 Astronomer 50 Gliese #g 50 Ruvkun 50 Schkade 50 Jeremy Nathans 50 By Eva Norlyk 50 RK Ramazani 50 Schawinski 50 Ehud Shapiro 49 astrometry 49 Dirk Brockmann 49 cosmological observations 49 Rignot 49 Kawaler 49 Professor Richard Lindzen 49 Pavel Kroupa 49 Wide Angle Search 49 habitable worlds 49 Bahcall 49 Konacki 49 Astrophysical Journal Letters 49 Hans Geiger 49 celestial mechanics 49 galactic cosmic rays 49 Leonard Susskind 49 Thure Cerling 49 Jonathan T. Overpeck 49 Phil Schewe spokesman 49 Dr. Michio Kaku 49 Budker 49 Plitnik 49 Dikpati 49 moon Charon 49 Cosmological Physics 49 Venus Neptune Uranus 49 nanoscientist 49 Michael Studinger 49 astro physics 49 asteroid 49 astrophysical phenomena 49 planets 49 Priyamvada Natarajan 49 RHESSI 49 geomicrobiology 49 planets comets 49 Gerard DeGroot 49 Nicholas Conard 49 Amit Goswami 49 Angela Belcher 49 Randy Schekman 49 Krimigis 49 John Grotzinger 49 Roy Wogelius 49 Carlo Montemagno 49 Lindsay Zanno 49 Qiang Fu 49 Astrophysics Cambridge Mass. 49 Pawan Sinha 49 Fenglin Niu 49 Thomas Harriot 49 Gmachl 49 Frank Wilczek 49 Cognitive Psychology 49 Sabine Bahn 49 Kazantzidis 49 J Craig Venter 49 Alycia Weinberger 49 Svensmark 49 Dmitri Tymoczko 49 COBE satellite 49 comets orbiting 49 Qiang Ji 49 Garching Germany 49 Ramesh Raskar 49 Eric Steig 49 Lars Hernquist 49 Explorer WISE 49 Bruce Banerdt 49 Shuang Zhang 49 Carnegie Institution 49 Kathy Belov 49 geodynamics 49 Robert Trivers 49 SwRI Space 49 Theoretical physicist 49 exobiology 49 Karl Menten 49 Laser Interferometer Gravitational Wave 49 Xing Xu 49 planemos 49 interstellar dust 49 Evolution Explorer 49 Roland Burgmann 49 infrared astronomy 49 Mien Chie Hung 49 microbial ecologist 49 Louise Prockter 49 UCO Lick 49 Jay Belsky 49 Nasa Ames 49 SETI Search 49 Paul Dirac 49 Colin Camerer 49 Marcus du Sautoy 49 Peidong Yang 49 Fraser Stoddart 49 supersymmetric particles 49 Madhulika Guhathakurta 49 Mewaldt 49 UGA Odum 49 Hod Lipson 49 transiting exoplanets 49 Giovanni Picardi 49 Goldilocks planet 49 computational neuroscience 49 Jay Famiglietti 49 Paul Spudis 49 Planck satellite 49 planets orbiting stars 49 Laurie Leshin 49 Nicholas Kotov 49 homochirality 49 Giovanna Tinetti 49 Eugene Wigner 49 Nial Tanvir 49 detect gravitational waves 49 bioorganic chemistry 49 Nilton Renno 49 William Happer 49 moons orbiting 49 Martin Guthold 49 Thomas Jessell 49 Upsilon Andromedae 49 HD #b [002] 49 Hagan Bayley 49 physics 49 Carnegie Observatories 49 MINOS 49 Shuming Nie 49 planet TrES 49 Sarah Werning 49 retrograde orbit 49 BP Psc 49 Eduardo Aundez Spanish 49 asteroids 49 Astrophysical Journal 49 RRATs 49 Strogatz 49 Photo NASA JPL 49 Svante Pääbo 49 Upsilon Andromedae b 49 P. Barash 49 Ramon Cotarelo political 49 inch Samuel Oschin 49 High Altitude Observatory 49 Bernard Foing 49 Johannes Kepler 49 Gibor Basri 49 Uwe Bergmann 49 Mars Uranus Neptune 49 Dariusz Leszczynski 49 Oren Etzioni 49 Cassini ion 49 Planetary Laboratory 49 Xiaodong Song 48 observational cosmology 48 Follow SPACE.com 48 Prof. Hawking 48 Astronomy 48 Dr. Stanley Prusiner 48 Kepler Space Telescope 48 Zhenan Bao 48 microlensing 48 particle colliders 48 Planetary Lab 48 Tranquada 48 Dan Buhl Planetarium 48 Carnegie Institution astronomer 48 Henshilwood 48 Sibeck 48 planet HD #b 48 Brian Swimme 48 macromolecular science 48 Don Gurnett 48 Charles Derber 48 Kathrin Plath 48 radial velocity technique 48 astrophysicists 48 Brenda Ekwurzel climate 48 Exoplanet 48 planetoid 48 Roger Penrose 48 stellar seismology 48 Emily Lakdawalla 48 Gravitational Physics 48 Nadal Saqr 48 biogeochemist 48 supernatural thriller Knowing 48 Cassini magnetometer 48 Steven Strogatz 48 journal Monthly Notices 48 Enrico Fermi Institute 48 Renu Malhotra 48 planet orbiting 48 Gravitational waves 48 Stephane Udry 48 superstring theory 48 Greengard lab 48 Dava Sobel 48 Sheril Kirshenbaum 48 Einstein relativity theory 48 retrograde orbits 48 Erik Winfree 48 Ulf Leonhardt 48 S. Lindzen 48 Biological Anthropology 48 gravitational microlensing 48 Ilya Prigogine 48 Catherine Cesarsky 48 Carnegie Institution Geophysical 48 Srikumar Rao 48 Kroto 48 Cellular Oncogenesis Program 48 Pikaard 48 Polishook 48 astrobiologists 48 Keck telescope 48 Jake Socha 48 Marin Soljacic 48 Koichi Nakano Sophia 48 Spergel 48 Timothy Spahr 48 rocky planets 48 Jupiter moon Io 48 Peixuan Guo 48 Arkani Hamed 48 Physics 48 Pluto demotion 48 Gottfried Wilhelm Leibniz 48 PASADENA Caltech 48 Zhong Lin Lu 48 Baross 48 Ellery Hale 48 Organismal Biology 48 Particle Astrophysics 48 Duncan Wingham 48 William Ruddiman 48 Stéphane Udry 48 planetary atmospheres 48 journal Acta Astronautica 48 Nir Shaviv 48 Terrestrial Magnetism 48 Smithsonian Astrophysical Observatory 48 Phil Plait 48 planet Gliese #g 48 planets Uranus 48 relativity theory 48 Hany Farid 48 Nasa Kepler 48 Evan Eichler 48 Neal Halfon 48 KIPAC 48 Remijan 48 nucleosynthesis 48 Extrasolar Planets 48 NYU Courant 48 Hubble Near Infrared 48 Jim Kasting 48 Ephraim Fischbach 48 David Southwood ESA 48 Hogenesch 48 Colin Pillinger 48 David Awschalom 48 Credit NASA JPL 48 Gary Orfield UCLA 48 Dan Durda 48 magnetic monopoles 48 Leonid Kruglyak 48 Martian meteorite 48 Composite Infrared Spectrometer 48 Tony Wyss Coray 48 geomicrobiology studying particles 48 Dr. Lawrence Kobilinsky 48 UC Metabolic Diseases 48 Eric Becklin 48 Larry Mastin USGS 48 Quantum Physics 48 Einstein theories 48 Fuat Keyman 48 Synthetic Biology 48 UCLA Cotsen Institute 48 Bennatan 48 George Palade 48 Tel Aviv Bar Ilan 48 Grover Krantz 48 Harvard Smithsonian CfA 48 Cassini radar 48 Ricardo Uauy 48 Peter Capak 48 Mildred Dresselhaus 48 Mercury magnetosphere 48 Professor Geim 48 Cosmologists 48 Verosub 48 Single Molecule Biophysics 48 habitable planet 48 Microlensing Follow Up 48 SN #A 48 Seljak 48 Spintronics 48 NASA WMAP 48 Roddam Narasimha 48 axion 48 Woese 48 Wick Haxton 48 Anil Potti 48 Matthias Mehl 48 manages NASA Jet 48 CU Boulder geological 48 Milky Way Galaxy 48 Geoff Marcy 48 Stephen Mojzsis 48 petrology 48 Exobiology 48 Planetary Geology 48 Adaptive Optics 48 mathematician Stephen Hawking 48 Conselice 48 Ray Villard 48 molecular biophysics 48 Lowell Observatory 48 protoplanet 48 Daniel Geschwind 48 Steven Schier Carleton 48 Seth Shostak 48 Leonard Kleinrock 48 Eric Feigelson 48 surface plasmon polariton 48 moon Enceladus 48 Malcolm Fridlund 48 infrared mapping spectrometer 48 Eicke Weber 48 Lidia Morawska 48 cryovolcanism 48 J. Benkovic 48 Horanyi 48 Cliff Frohlich 48 Niels Harrit 48 Jurgen Rehm 48 P. Feynman 48 UC Observatories Lick 48 Mlodinow 48 greatest insect emergences 48 Avner Vengosh 48 Connie Chang Hasnain 48 atmospheric neutrinos 48 Kuiper Belt objects 48 Lamont Doherty 48 CMB radiation 48 Gerta Keller 48 Shallow Radar instrument 48 hypervelocity stars 48 Paytan 48 paleoclimatology 48 geochemists 48 Stringer paleontologist 48 Garzione 48 paleobotany 48 Neal Katyal Georgetown 48 Keith Hamer 48 Georgi Mandushev 47 primatology 47 Jakob Vinther 47 Oleg Abramov 47 Gerald Uelmen Santa Clara 47 GRB #B 47 galaxy formation 47 heliophysics 47 Matthew Meselson 47 Richard L. Cravatts 47 OGLE TR #b 47 von Frese 47 Astrophysical Institute 47 Ring Nebula 47 Postdoctoral Researcher 47 Sir Harry Kroto 47 Cassini imaging 47 asteroids comets 47 Cees Dekker 47 Mexico Iberoamerican 47 Alicia Soderberg 47 magma ocean 47 James Dumesic 47 Markram 47 astronomer Johannes Kepler 47 exoplanets planets 47 chemical oceanography 47 John Preskill 47 Jeffrey Hangst 47 Director Charles Elachi 47 GALEX 47 Douglas Hudgins Kepler 47 PASADENA Calif. Astronomers 47 Neil Turok 47 Andrei Linde 47 Fermi Gamma ray 47 impeach USADA 47 Exoplanets 47 paleobiologist 47 smallest exoplanet 47 Samuel Wickline 47 Eva Schernhammer 47 exoplanet atmospheres 47 Alan Cowman 47 Caltech physicist 47 Milano Bicocca Italy 47 ESO VLT 47 Roger Revelle 47 Gal Yam 47 Comet Elenin 47 Leo Esaki 47 Milford Wolpoff 47 Phil DeCola 47 Samir Mitragotri 47 Humberto Campins 47 Carle Pieters 47 CU Boulder ecology 47 Mika Kivimäki 47 Pete Vukusic 47 Walid Kazziha 47 quantum physics 47 distant supernovas 47 Nicolaus Copernicus 47 Chad Mirkin 47 Paul Pauca 47 quantum astrophysicist 47 Claire Gmachl 47 nautical archeology 47 Condensed Matter 47 Hal Levison 47 CalTech 47 Venkatesh Narayanamurti 47 Kurt Lambeck 47 Anne Verbiscer 47 magnetar 47 roboticist 47 gravitational waves 47 Linda Elkins Tanton 47 Douglas Osheroff 47 Jianjun Yin 47 Shanghai Astronomical Observatory 47 icy moons 47 Bojowald 47 Colarik 47 Computational Cosmology 47 Berkeley Seismological Laboratory 47 Jacques Laskar 47 Drew Shindell 47 Theodore von Karman 47 Georgina Mace 47 Russell Doescher 47 Rainer Blatt 47 Kisailus 47 NASA Wilkinson Microwave 47 earthshine 47 Russ Tedrake 47 Credit NASA CXC 47 Desmond Ayim Aboagye 47 Professor Shinya Yamanaka 47 Henize #-# 47 Richard Feynman 47 Sankar Chatterjee 47 Steven Reppert 47 Boethin 47 Rudolph Tanzi 47 Kurt Retherford 47 SSRL 47 De Roure 47 Asphaug 47 physics astronomy 47 lightest exoplanet 47 Johannes Lehmann 47 Melosh 47 Hap McSween 47 Neuroeconomics 47 Linda Spilker 47 dimming starlight 47 Fritjof Capra 47 theoretical cosmology 47 extrasolar planetary 47 Graetzel 47 distant galaxy 47 Lefsky 47 occultations 47 David Spergel 47 astronautics 47 Jovian moon 47 Astrophysics MOA 47 UQ Diamantina Institute 47 WM Keck 47 Ortwin Hess 47 Matt Friedeman 47 Rosaly Lopes 47 Maskawa 47 Werthimer 47 orbited Jupiter 47 Tomoaki Iwai Nihon 47 Azim Surani 47 Emma Hitt 47 V# Mon 47 Seismological Laboratory 47 COROT 7b 47 Comet Halley 47 V. Ramanathan 47 Russell Ciochon 47 Victor Velculescu MD Ph.D. 47 Roger Schank 47 Trey Ideker 47 blackbody radiation 47 extrasolar worlds 47 van der Hilst 47 D. Bolduc Implant 47 fainter objects 47 orbiting Chandra 47 planets atmospheres 47 MARSIS radar 47 Maya Tolstoy 47 Capak 47 Naomi Halas 47 Bahram Jalali 47 journal Astronomy 47 Nicholas Longrich 47 Pulickel Ajayan 47 Kuiper belt