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(Click for frequent words.) 67 astronomer Carl Sagan 57 Richard Feynman 57 Neil DeGrasse Tyson 55 Neil deGrasse Tyson 53 physicist Richard Feynman 53 Stephen Hawkings 52 Fred Hoyle 52 James Lovelock 52 Michio Kaku 52 Reinhold Niebuhr 52 Percival Lowell 51 Owen Gingerich 51 Kip Thorne 50 Albert Einstein 50 Subrahmanyan Chandrasekhar 50 Konstantin Tsiolkovsky 50 Tycho Brahe 50 Dava Sobel 50 alien civilizations 50 Chandra Wickramasinghe 50 Ludwig Wittgenstein 50 Sasselov 50 Buckminster Fuller 50 Harsh Mistress 50 Joel Primack 49 Zecharia Sitchin 49 Ann Druyan 49 Gregory Benford 49 Stephen Hawking 49 Lynn Margulis 49 HG Wells 49 Ray Kurzweil 49 Feynman 49 Robert Heinlein 49 Sitchin 49 Fritjof Capra 49 Leon Lederman 49 panspermia 48 theoretical physicist Stephen Hawking 48 Roger Penrose 48 Isaac Asimov 48 Ernst Mayr 48 Nobel Prizewinning 48 Murray Gell Mann 47 Elegant Universe 47 Andrew Chaikin 47 Michael Crichton 47 Neils Bohr 47 Carl Friedrich Gauss 47 Apollo missions 47 extraterrestrial civilizations 47 Bertrand Russell 47 Gaia hypothesis 47 futurist Ray Kurzweil 47 Extraterrestrial Intelligence 47 Gaia Theory 47 Niels Bohr 47 Sigmund Freud 47 Gaia Hypothesis 47 physicist Albert Einstein 47 Linus Pauling 47 BF Skinner 47 Edmond Halley 47 Huchra 47 Einstein 47 renowned theoretical physicist 47 Nima Arkani Hamed 47 Roger Revelle 47 Benoit Mandelbrot 47 Erwin Schrodinger 47 Nibiru 46 Corot 7b 46 Edmund Halley 46 astrobiologists 46 Jill Tarter 46 Carl Sagan Cosmos 46 Demon Haunted 46 Seth Shostak 46 astronomer Percival Lowell 46 astrobiology 46 Theodore Sturgeon 46 philosopher 46 Lee Smolin 46 physicist Niels Bohr 46 Mortimer Adler 46 Fritz Zwicky 46 Paul Tillich 46 Erwin Schrödinger 46 Marcus du Sautoy 46 Wolszczan 46 renowned cosmologist 46 astronomer Johannes Kepler 46 Kurt Vonnegut Jr. 46 Blind Watchmaker 46 Professor Stephen Hawking 46 Fermi paradox 46 astrophysicist Carl Sagan 46 Jerry Pournelle 46 R. Buckminster Fuller 46 Martian Chronicles 46 Harlow Shapley 45 Extrasolar 45 Niles Eldredge 45 Harlan Ellison 45 George Gamow 45 astro physicist 45 Oliver Sacks 45 Friedrich Nietzsche 45 Is Harsh Mistress 45 novelist Saul Bellow 45 Hans Bethe 45 Giovanni Cassini 45 Daniel Boorstin 45 Lawrence Krauss 45 Ed Weiler 45 interplanetary spacecraft 45 Bad Astronomer 45 Nobel Laureate 45 Mlodinow 45 Helen Caldicott 45 Jürgen Habermas 45 René Descartes 45 Selfish Gene 45 Miller Urey experiment 45 Soren Kierkegaard 45 Richard Lindzen 45 Dennis Overbye 45 STEVE EMBER 45 Panspermia 45 Halley Comet 45 Kepler Mission 45 Rupert Sheldrake 45 Paul Dirac 45 astrobiologist 45 Norman Vincent Peale 45 Sagan widow 45 Madame Curie 45 Gell Mann 45 Astrophysicist 45 Vakoch 45 Baruch Blumberg 45 Marcus Chown 45 Werner von Braun 45 Gene Roddenberry 44 Caltech physicist 44 physicist 44 father Jor El 44 Voyager spacecraft 44 Wolfgang Pauli 44 author Ray Bradbury 44 Wernher von Braun 44 Edwin Hubble 44 science fiction 44 heliocentric 44 Neil Postman 44 Arthur Schlesinger Jr. 44 Steven Pinker 44 Alan Sokal 44 Clyde Tombaugh discovered 44 Schroedinger 44 Drake Equation 44 Dr. Michio Kaku 44 Francis Crick 44 Arno Penzias 44 Martians invading 44 A. Heinlein 44 P. Feynman 44 Abraham Maslow 44 Wilkinson Microwave Anisotropy Probe 44 JBS Haldane 44 extrasolar 44 Werner Von Braun 44 Claude Lévi Strauss 44 Theodore von Karman 44 Schulze Makuch 44 Comet Halley 44 Cosmic Background Explorer 44 Erich von Däniken 44 extraterrestrials 44 Clyde Tombaugh 44 Richard Berendzen 44 Hale Bopp 44 cosmologists 44 Marx Freud 44 Kurt Gödel 44 Sara Seager 44 Plait 44 Jacques Barzun 44 Kurt Godel 44 Seymour Benzer 44 writer Isaac Asimov 44 relativity theory 44 anthropic principle 44 Octavia Butler 44 Raymond Kurzweil 43 mythologist Joseph Campbell 43 planetary Transits 43 theologian Reinhold Niebuhr 43 UFOlogists 43 Doug Rushkoff 43 Rod Serling 43 Ilya Prigogine 43 MIT planetary scientist 43 Herman Hesse 43 Theoretical Physicist 43 Astrobiology Magazine 43 extraterrestrial 43 Erich Fromm 43 Nobel laureate physicist 43 planetary science 43 Gerard Kuiper 43 Mojzsis 43 Charles Darwin 43 Star Trek creator 43 Carl Jung 43 Spudis 43 astronaut Wally Schirra 43 Edgar Cayce 43 philosopher Karl Popper 43 Schrodinger Cat 43 Arthur Koestler 43 evolutionist 43 extraterrestrial beings 43 Alex Filippenko 43 astrophysicist 43 asteroid collisions 43 Fermi Paradox 43 Brian Swimme 43 lunar module pilot 43 Stanley Kubrick 43 Giovanni Schiaparelli 43 Frank Borman 43 Greek philosophers 43 Bohdan Paczynski 43 outer planets 43 Gaston Bachelard 43 Halley comet 43 Michael Shermer 43 Prof. Hawking 43 William Happer 43 Lionel Trilling 43 Lunar Prospector 43 Professor Hawking 43 Hugo Gernsback 43 Bahcall 43 supersymmetric particles 43 Antony Flew 43 Nobel Prize Winner 43 astrobiological 43 Greek philosopher Plato 43 Elton Trueblood 43 NASA Far Ultraviolet 43 Allan Sandage 43 Einstein theories 43 Krulwich 43 astronomer 43 heliocentric model 42 Galileo Daughter 42 Daniel Dennett 42 Robert Zubrin 42 Jerome Drexler 42 Kuiper Belt Object 42 Norbert Wiener 42 Renowned physicist 42 biologist EO Wilson 42 astronaut Rusty Schweickart 42 Jayant Narlikar 42 Lowell Observatory 42 Gene Kranz 42 Hawking 42 Hot Jupiters 42 Alycia Weinberger 42 cosmological theories 42 Ira Flatow 42 Georg Wilhelm Friedrich Hegel 42 actor Ossie Davis 42 moons Phobos 42 Grote Reber 42 Ellery Hale 42 Big Bang theory 42 Homunculus 42 Bertrand Russel 42 Georg Cantor 42 Fredric Jameson 42 Epicurus 42 mathematician Stephen Hawking 42 Jacques Derrida 42 Ancestor Tale 42 relativity Einstein 42 Dan Werthimer 42 Gershom Scholem 42 Apollo astronauts 42 Ralph Waldo Emerson 42 noctilucent clouds 42 Schopenhauer 42 Extra Terrestrial Intelligence 42 Marvin Minsky 42 Neil Gaiman Sandman 42 Phil Plait 42 demote Pluto 42 Planetary Studies 42 psychologist Daniel Kahneman 42 Democritus 42 Richard Rorty 42 ufologist 42 Extraterrestrials 42 Kurt Vonnegut 42 Particle physics 42 psychic Edgar Cayce 42 Thus Spake Zarathustra 42 shadow biosphere 42 Joshua Foer 42 cosmologist Stephen Hawking 42 Horkheimer 42 comets asteroids 42 Annus Mirabilis 42 Karl Popper 42 Kounaves 42 Nicolaus Copernicus 42 Harold Lasswell 42 Martian 42 Jules Verne 42 Gliese #c 42 Physicist 42 Joshua Lederberg 42 Planetary Society 42 Lucy Hawking 42 Victor Frankl 42 Wallace Broecker 42 Roland Barthes 42 WASP #b 42 Nobelist 42 habitable worlds 42 Dr. Mae Jemison 42 Nasaw 42 theoretical physicist 42 JRR Tolkein 42 planetary scientist 42 Beichman 42 Eliezer Yudkowsky 42 Apophis asteroid 42 Gottfried Leibniz 42 Erich von Daniken 42 Orson Wells 42 Bruce Jakosky 42 physicist Werner Heisenberg 42 Ruvkun 41 gravitational anomalies 41 Spencer Weart 41 evolutionary theorist 41 Einstein Theory 41 Exopolitics 41 astronomical phenomena 41 physicists 41 Toutatis 41 Goracle 41 Roald Hoffman 41 Nicholas Kurti 41 Larry Niven 41 Andrew Delbanco 41 Clifton Fadiman 41 George Carlin 41 Emmanuel Kant 41 Georg Hegel 41 Douglas Hofstadter 41 Klaatu barada nikto 41 Ray Bradbury 41 astronomer Galileo Galilei 41 Henrik Svensmark 41 Von Neumann 41 Isaac Newton 41 renowned astrophysicist 41 abiogenesis 41 John Bardeen 41 Francis Galton 41 Magnificent Desolation 41 Thomas Malthus 41 Henize #-# 41 philosopher mathematician 41 Theodore Zeldin 41 Wernher Von Braun 41 OGLE TR #b 41 comet McNaught 41 extrasolar planets 41 psychohistory 41 Mars Pathfinder 41 Irving Langmuir 41 Martin Heidegger 41 David Nasaw 41 inventor Nikola Tesla 41 Vikram Sarabhai 41 Michel Foucault 41 Mike Marqusee 41 Leonard Peikoff 41 Werner Heisenberg 41 Jacques Lacan 41 Knut Hamsun 41 Gore Vidal 41 philosopher Ayn Rand 41 Hubble Space 41 Richard Lewontin 41 chemist Linus Pauling 41 Alexis de Toqueville 41 Thomas Harriot 41 coronal loops 41 Renowned astrophysicist 41 Gödel 41 mathematical physicist 41 alien abductees 41 Aleister Crowley 41 Kenneth Libbrecht 41 Stanley Kunitz 41 Pluto Eris 41 exobiology 41 particle astrophysics 41 Hannah Arendt 41 Majel Barrett Roddenberry 41 cosmology 41 planetary astronomy 41 outer space 41 Ada Lovelace 41 Eugene Wigner 41 humorist Mark Twain 41 Grillmair 41 Venusians 41 Erik Erikson 41 God Particle 41 Astronomer 41 Sheldon Glashow 41 physicist Max Planck 41 astronomy 41 Allen Hynek 41 Timothy Leary 41 German astronomer Johannes 41 physicist Stephen Hawking 41 Niles Crane 41 Erma Bombeck 41 Teilhard de Chardin 41 Jack Handey 41 Richard Dawkins 41 plutoid 41 Star Trek Spock 41 Bart Sibrel 41 RU Sirius 41 Christopher Chyba 41 Deepak Chopra 41 Gravity Probe 41 Emily Lakdawalla 41 Noam Chomsky Howard Zinn 41 comet hurtling 41 Viking Orbiter 41 Nietzsche 41 Pierre Teilhard de Chardin 41 auteur theory 41 particle physicists 41 Schrödinger 41 Maria Goeppert Mayer 41 Greek philosopher Aristotle 41 Venusian 41 Parmenides 41 JCR Licklider 41 Kierkegaard 41 Schawinski 41 Baudrillard 41 noosphere 41 Percy Bysshe Shelley 41 NASA Kepler 41 inhabitable planets 41 physicist Michio Kaku 41 Jaron Lanier 41 dirty snowballs 41 Steven Spielberg Close Encounters 41 SETI Search 41 NASA Cosmic Background 41 Last Moonwalker Children 41 Mars 41 novelist Ayn Rand 41 Vannevar Bush 41 theistic evolutionist 40 scifi 40 Mandelbrot 40 Nikola Tesla 40 Satyendra Nath Bose 40 quantum theory 40 Leonard Kleinrock 40 statesman Henry Kissinger 40 Leonard Mlodinow 40 Jean Baudrillard 40 Reinventing Comics 40 moon Europa 40 American Astronautical Society 40 Science Fiction 40 Halton Arp 40 Ed Weiler NASA 40 exo planet 40 demoting Pluto 40 Ringworld 40 journalist HL Mencken 40 technological singularity 40 Christopher Reeve 40 comedian Groucho Marx 40 Frederick Engels 40 Einstein theory 40 Nobel laureate 40 Majel Roddenberry 40 Phaethon 40 Martian meteorites 40 Sromovsky 40 science fiction novels 40 Szilard 40 Martin Buber 40 Jenniskens 40 Donald Deke Slayton 40 planets 40 Ernst Stuhlinger 40 professor Randy Pausch 40 Homer Hickam 40 Galilean moons 40 Leon Festinger 40 Aryabhatta 40 cosmonaut Yuri Gagarin 40 Schrödinger cat 40 astronaut Gene Cernan 40 Svensmark 40 Herbert Marcuse 40 CSICOP 40 Gliese #G 40 Frederik Pohl 40 Michael Behe 40 superstrings 40 Satish Dhawan 40 astronaut Owen Garriott 40 cosmos 40 SETI 40 Werthimer 40 quantum physics 40 Theodore Geisel 40 cosmological 40 Hubble Telescope 40 director Charles Elachi 40 Immanuel Kant 40 Samuel Ting 40 Jacob Bronowski 40 Gottfried Wilhelm Leibniz 40 Fran Bagenal 40 Bad Astronomy 40 Rusty Schweickart 40 Consciousness Explained 40 Elisabeth Kübler Ross 40 habitable planet 40 Lévi Strauss 40 Immanuel Velikovsky 40 Louis Turi 40 NASA Cassini 40 Russian cosmonaut Yuri Gagarin 40 Gene Cernan 40 Saturn Enceladus 40 Uranus Neptune 40 exo planets 40 Steve Squyres 40 Eric Kandel 40 Roving Mars Spirit 40 mathematician 40 planetary 40 Nasa spacecraft 40 Og Mandino 40 Quantum Physics 40 astronaut Fred Haise 40 comedian Don Rickles 40 Hollywood dreck Battlefield 40 particle physicist 40 Michael Studinger 40 Cydonia region 40 Catherine Asaro 40 Galilean satellites 40 observational astronomy 40 Hofstadter 40 Polanyi 40 Jacques Monod 40 planetary exploration 40 Barry Commoner 40 extraterrestrial civilization 40 Emilio Bombay 40 extra terrestrials 40 Hubble telescope 40 Copernicus Galileo 40 Alister McGrath 40 Star Trek 40 Johann Wolfgang von Goethe 40 highly elliptical orbits 40 Hitchhiker Guide 40 Kavandi 40 asteroids comets 40 chemtrails 40 retrograde orbit 40 Elaine Pagels 40 P/# A2 40 Friedrich Engels 40 Avishay Gal Yam 40 Gene Roddenberry Star Trek 40 Velikovsky 40 Kuiper Belt Objects 40 Karl Giberson 40 Astrophysicists 40 JREF 40 Kakalios 40 Gregor Mendel 40 E = mc2 40 Gliese #d 40 Massimino tweeted 40 Arkani Hamed 40 Mark Kingwell 40 Louis Ignarro 40 Makiko Sato 40 Eugenio Montale 40 Richard Garwin 40 debunkers 40 ALH# 40 Johannes Kepler 40 Terrestrial Planet Finder 40 HD #b [002] 40 Leonard Nimoy 40 Viking orbiters 40 AB Aurigae 40 cosmologist 40 Len Wein 40 Fritz Haber 40 Richard Hofstadter 40 quantum electrodynamics 40 HL Mencken 40 terraforming Mars 40 William Hazlitt 40 Maria Zuber 40 Vernor Vinge 40 STEPHEN HAWKING 40 Eerie Silence 40 AC Grayling 40 Leonardo DaVinci 40 Krimigis 40 Randy Pausch 40 Michelson Morley 40 Jane Goodall 40 magnificent desolation 40 astronaut Eugene Cernan 40 Leonard Susskind 39 Georges Cuvier 39 Nobel prizewinner 39 Nasa Kepler 39 Jurgen Habermas 39 Eric Foner 39 Josiah Royce 39 spacewoman 39 Project Ozma 39 Close Encounters 39 Nietzche 39 heliocentric theory 39 Strangest Man 39 SIM PlanetQuest 39 Søren Kierkegaard 39 Planetary 39 theoretical physicists 39 cosmic 39 transhumanism 39 Aleksandr Solzhenitsyn 39 AK Ramanujan 39 Alexis de Tocqueville 39 Cosmological 39 Michael Moorcock 39 Sean Wilentz 39 David Bodanis 39 astronomer Tycho Brahe 39 nasa.gov 39 Charon Pluto 39 alien beings 39 climate alarmists 39 moonwalkers 39 exoplanet orbiting 39 wormhole 39 Charles Babbage 39 parapsychology 39 GH Hardy 39 NASA LCROSS 39 quantum mechanics 39 Leo Szilard 39 scientist Stephen Hawking 39 Jacques Vallee 39 Mae Jemison 39 buckypaper virtually 39 gravitational microlensing 39 Mort Sahl 39 Leo Damrosch 39 cosmic collisions 39 Athanasius Kircher 39 Brother Guy Consolmagno 39 Wilhelm Reich 39 icy comets 39 Billy Mumy 39 comet tail 39 UFOlogist 39 UFOs 39 Deke Slayton 39 Donna Haraway 39 author Cory Doctorow 39 Wouk 39 Extraterrestrial Life 39 Wolfgang Ketterle 39 Emanuel Swedenborg 39 e = mc2 39 essayist Ralph Waldo 39 Woese 39 philosophers 39 Heinrich Hertz 39 Reinhard Genzel 39 Kitty Kelley Oprah 39 Charles Seife 39 Paul Ricoeur 39 Walter Pidgeon 39 philosopher Friedrich Nietzsche 39 Tegmark 39 Sir Karl Popper 39 Taurus Littrow Valley 39 Cernan 39 Actor Keir Dullea 39 Mark Bauerlein 39 Tsiolkovsky 39 Our Undiscovered Universe 39 Xerox PARC 39 Bernhard Riemann 39 HD# [002] 39 Lunar Module Pilot 39 Hipparchus 39 astronomer Edmond Halley 39 planet Uranus 39 Theodosius Dobzhansky 39 Edward Teller 39 Jacques Cousteau 39 Aldous Huxley 39 psychologist Steven Pinker 39 underwater explorer 39 NASA Voyager spacecraft 39 Paul Alivisatos 39 Rene Descartes 39 Andrea Ghez 39 Stephen Spender 39 Nobel Prize winners 39 photoelectric effect 39 Arthur Schlesinger 39 Hawking radiation 39 Fredric Wertham 39 Dangerous Idea 39 Asteroid Apophis 39 Pluto Charon 39 BUZZ ALDRIN 39 Exoplanets 39 Douglas Osheroff 39 Gene Rodenberry 39 Franz Rosenzweig 39 phlogiston 39 Aeneas Wanner Swiss 39 Sylvia Earle 39 Leo Esaki 39 Andrei Sakharov 39 Klaatu Keanu Reeves 39 Goldilocks planet 39 Sir Francis Galton 39 WEB DuBois 39 Thomas Pynchon 39 Humanist Manifesto 39 interstellar dust 39 albino dinosaur 39 Irving Kristol 39 Ashley Montagu 39 Jerry Seinfeld 39 empiricist 39 Georges Charpak 39 meteoroid 39 Hari Seldon 39 James Kakalios 39 planetary astronomer 39 Walter Koenig Chekov 39 Cassini Huygens 39 John Maynard Keynes 39 millisecond pulsar 39 Betty Friedan 39 Astrobiology 39 filmmaker Stanley Kubrick 39 astronomer Clyde Tombaugh 39 Pigliucci 39 Plimer 39 Mozart Effect 39 Quantum Mechanics 39 quark gluon plasma 39 Emilie du Chatelet 39 Fermi telescope 39 theoretical astrophysics 39 Empedocles 39 philosopher Aristotle 39 Maya Angelou 39 Orson Bean 39 Will Friedwald 39 doomsday theorists 39 Kant Critique 39 Groucho Marx 39 Wally Schirra 39 Extraterrestrial Intelligence Institute 39 Cosmic Evolution 39 Comet Hale Bopp 39 Geza Vermes 39 Principia Mathematica 39 LCROSS mission 39 asteroid 39 exoplanetary 39 VS Ramachandran 39 columnist Walter Lippmann 39 astrophysics 39 Greek historian Thucydides 39 Lindzen 39 Orbiter spacecraft 39 Romantic poets 39 Uranus 39 novas 39 Transcendent Man 39 Nobel Laureate Prof. 39 dwarf planets exist 39 Walter Lippmann 39 Heisenberg Uncertainty Principle 39 DarkSyde 39 Stephen Dubner 39 Dick Cavett 39 logicians 39 Arecibo Observatory 39 poet Ralph Waldo 39 Outer Space Treaty 39 debunker 39 MAVEN 39 Leslie Orgel 39 contactees 39 NASA Lunar Prospector 39 Saturn Cassini 39 Higgs Boson particle 39 star gazer 39 Mel Blanc 39 Earthlings 39 Eagle lunar lander 39 HG Wells War 39 Hans Moravec 39 Poincare 39 Stephen Pinker 39 Pluto 39 ETs 39 critic Susan Sontag 39 Owen Garriott 39 Higgs bosons 38 Galileo spacecraft 38 Robert Krulwich 38 Planet X. 38 PBS NOVA 38 Lord Keynes 38 writer Fran Lebowitz 38 rocket scientist Wernher 38 Galileo Galilei 38 asteroid Apophis 38 astronomer Edwin 38 ufology 38 Filippenko 38 Mars rovers Spirit 38 Robert Nozick 38 historian Tony Judt 38 Randy Pausch Jeffrey Zaslow 38 Convection Rotation 38 decipherment 38 Talcott Parsons 38 Michael Zolensky 38 Herb Caen 38 oceanographer Sylvia Earle 38 Keir Dullea 38 Supersymmetry 38 Dr. Peter Venkman 38 colonize Mars 38 theorist 38 Robert Hooke 38 philosopher Blaise Pascal 38 Rick Tumlinson 38 Richard Weikart 38 Bruce Margon 38 Gustave Flaubert 38 Buzz Aldrin Apollo 38 Don Rickles 38 Bjorn Lomborg author 38 BioLogos 38 cousin Francis Galton 38 Malthus 38 Cosmologists 38 Hari Manoharan 38 Nigel Tufnel 38 Arthur Schopenhauer 38 comedian Rodney Dangerfield 38 Bernard Bailyn 38 Mandushev 38 Magnetars 38 Arik Posner 38 Today Birthdays Author 38 theoretical cosmology 38 Roswell Incident 38 Cosmologist 38 Parallel Universes 38 planets orbiting distant 38 planets comets 38 Hank Pym 38 Sagan 38 Magueijo 38 Sushil Atreya 38 moons circling 38 PZ Myers 38 Mark Changizi 38 Earnest Hemingway 38 Franck Marchis 38 Poincaré 38 Neptune Uranus 38 OSIRIS REx 38 COBE satellite 38 George Santayana 38 Pardis Sabeti 38 Konstantin Feoktistov 38 Lord Acton 38 lexicographer Samuel Johnson 38 Olaf Stapledon 38 Ordovician extinction 38 neo Darwinism 38 Bruno Latour 38 Hubble astronomer 38 Upsilon Andromedae b 38 Suprynowicz 38 Jamie Elsila 38 Uncommon Descent 38 largest moon Charon 38 Greg Delory 38 Stephen Wolfram 38 mathematician Benoit Mandelbrot 38 Cometary 38 Mercury Gemini 38 John Ratey 38 protoplanet 38 Russian cosmonaut Sergei Volkov 38 Vikhlinin 38 Felix Frankfurter 38 decadal survey 38 Issac Asimov 38 habitable planets 38 Coxeter 38 Space Odyssey 38 Earthlike 38 Natalie Batalha 38 Story Musgrave 38 HiRISE camera aboard 38 George Palade 38 David Gelernter 38 waxing gibbous 38 actor Charles Laughton 38 James Gleick 38 Larry Dossey 38 unmanned spacecraft 38 Daniel Tammet 38 Viking landers 38 Dimitar Sasselov 38 William Steig 38 waitress Ingrid Sufan 38 Happiness Hypothesis 38 Boris Chertok 38 Lao Tze 38 Saturn moons 38 Jupiter moon Io 38 Mario Livio 38 Stanford Ovshinsky 38 Gravitational lensing 38 Korotev 38 Sovietologists 38 pound mongrel gorilla 38 director Gene Kranz 38 Gertrude Himmelfarb 38 Great Gazoo 38 Ecoscience 38 JMG Le Clézio 38 NASA astrobiologist 38 dustier stormier atmosphere 38 Father Guido Sarducci 38 Caltech astronomer 38 Exoplanet 38 Greatest Showman 38 planets Uranus 38 Nicolas Copernicus 38 Paradoxical Commandments 38 David Quammen 38 NASA Astrobiology Institute 38 Last Theorem 38 d' Espagnat 38 meteorite impacts 38 MIT Richard Lindzen 38 Extrasolar Planets