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(Click for frequent words.) 65 SETI @ home 62 SETI Institute 58 Extraterrestrial Intelligence 58 Extra Terrestrial Intelligence 57 SETI Search 57 Werthimer 55 SETI @ 54 Allen Telescope Array 54 SETI @ Home 54 Extraterrestrial Intelligence Institute 53 Extraterrestrial Intelligence SETI 52 Jill Tarter 50 astronomer Seth Shostak 50 alien civilizations 50 Dan Werthimer 50 Spaceguard 49 BOINC 49 Earth Asteroid 48 telescope 47 Arecibo Observatory 47 MINOS 47 cosmic ray 47 Main Injector Neutrino 47 Fermi telescope 47 Planetary Society 47 LOFAR 47 optical telescopes 47 gravitational wave 47 extraterrestrial civilizations 47 Kepler Mission 47 Colin Pillinger 46 Telescope Array 46 Jet Propulsion Laboratory 46 interplanetary spacecraft 46 Seth Shostak 46 exoplanetary 46 Emily Lakdawalla 46 particle detector 46 Kepler spacecraft 46 Pan STARRS 45 Spacewatch 45 Vakoch 45 Eerie Silence 45 EarthScope 45 exo planet 45 Project Ozma 45 COROT 45 Spaceguard Survey 45 NASA Kepler 45 orbiting telescope 45 Mars Lander 45 Nasa Jet Propulsion 44 observatory 44 Arecibo telescope 44 JDEM 44 Submillimeter Array 44 DARPA 44 Keck telescope 44 microlensing 44 planetary Transits 44 transiting exoplanets 44 LIGO 44 Mars Surveyor 44 telescopes 44 Nasa Kepler 44 infrared astronomy 44 RHESSI 44 Drake Equation 44 extraterrestrial 44 Mars lander 44 NASAs 44 astronomy 44 PlanetQuest 44 Keck Observatory 44 NASA Jet Propulsion Laboratory 44 Arecibo 44 Nasa 44 Solar Terrestrial Relations 44 SuitSat 44 Willow Garage 44 interferometer 44 Steward Observatory 44 MicroFUN 43 Antenna LISA 43 radiotelescope 43 Laser Interferometer Gravitational Wave 43 CHIPSat 43 NASA 43 DZero 43 Professor Pillinger 43 Cosmic Evolution 43 supersymmetric particles 43 planetary scientist 43 WMAP satellite 43 Cassini Huygens 43 Convection Rotation 43 Keck Interferometer 43 Planetary Lab 43 particle physicists 43 NASA Wilkinson Microwave 43 Planck satellite 43 Observatory STEREO 43 JPL 42 NASA Far Ultraviolet 42 astronomers 42 Space Telescope 42 Franck Marchis 42 detect gravitational waves 42 extrasolar planets 42 planetary missions 42 observatories 42 NASA Jet Propulsion Lab 42 astrobiology 42 robotic lander 42 optical wavelengths 42 Deep Space 42 UA Lunar 42 ESA Integral 42 NuSTAR 42 spaceborne 42 Jodrell Bank 42 X ray telescopes 42 UA Steward Observatory 42 Cosmology 42 ESO VLT 42 ATLAS experiment 42 redshift 42 GeV 42 NanoSail D 42 extrasolar planetary systems 42 planetary science 42 XMM Newton 42 GLAST 42 distant supernovae 42 Krimigis 42 Schawinski 42 NASA Astrobiology 42 Very Large Array 42 exo planets 42 Mars Opportunity rover 42 EPOCh 42 NASA Cassini 41 Arecibo radio 41 astrobiological 41 Jupiter Icy Moons Orbiter 41 Faint Object 41 MARSIS radar 41 ESA XMM Newton 41 Computational Nanotechnology 41 Mars rovers 41 NASA Astrobiology Institute 41 Owen Gingerich 41 Higgs bosons 41 Mars Odyssey orbiter 41 Fermi Telescope 41 VLBI 41 MARSIS 41 particle colliders 41 Earth Object 41 Higgs particle 41 CERN 41 SIRTF 41 UCO Lick 41 Sasselov 41 Gliese #d 41 GRB # 41 LCROSS mission 41 Shri Kulkarni 41 extraterrestrial civilization 41 Terrestrial Planet Finder 41 Planetary Laboratory 41 Astrophysical Research 41 Wolszczan 41 microlensing events 41 Lunar Reconnaissance Orbiter LRO 41 heliocentric model 41 Jean Luc Margot 41 Earthlike planets 41 CoRoT 41 Alex Filippenko 41 ARPANET 41 Mars Odyssey spacecraft 41 CDMS II 41 Gravity Probe B 41 CubeSat 41 WM Keck Observatory 41 SSRL 41 habitable planets 41 Astrophysicists 41 Solar Orbiter 41 observational astronomy 41 GRB #B 41 Jodrell Bank Observatory 41 orbiting satellites 41 astronomical telescopes 41 X ray observatories 41 Lunar Exploration 41 gravitational waves 41 climateprediction.net 41 radial velocity 41 NOAO 40 Nasa spacecraft 40 Harlow Shapley 40 infrared observatory 40 MN4 40 JAXA 40 Kip Thorne 40 habitable worlds 40 Christopher Chyba 40 NASA JPL 40 ATST 40 Fermi Gamma ray 40 gamma ray observatory 40 gravitational microlensing 40 Particle physics 40 Charles Elachi 40 Hubble 40 Near Infrared Camera 40 gamma ray astronomy 40 SOHO spacecraft 40 Fermi paradox 40 HiRISE 40 Gliese #c 40 Quake Catcher 40 Anisotropy Probe 40 planets orbiting 40 Hubble Telescope 40 Planck spacecraft 40 STEREO mission 40 Laser Interferometer Space 40 Carl Sagan 40 ROSAT 40 CITRIS 40 NASA Kepler telescope 40 Hawking Radiation 40 pentaquark 40 Hans Moravec 40 CERN LHC 40 Adaptive Optics 40 radial velocity technique 40 optical interferometry 40 NASA STEREO 40 neutrino experiment 40 extrasolar 40 Gravitational Physics 40 ultraviolet spectrograph 40 SuperWASP 40 Earth orbit 40 Kuiper belt objects 40 Nima Arkani Hamed 40 IceCube 40 exobiology 40 Interior Laboratory GRAIL 40 Sara Seager 40 Peter Jenniskens 40 Evolution Explorer 40 Telescope LSST 40 SIM PlanetQuest 40 Garching Germany 40 Stardust NExT 40 NASA Exobiology 40 astrometry 40 quasars 40 Burst Alert 40 Cosmologists 40 AERONET 40 Lowell Observatory 40 Mars landers 40 unmanned probes 40 THEMIS 40 Anisotropy Probe WMAP 40 particle astrophysics 39 Extrasolar Planets 39 X ray observatory 39 Hadron Collider 39 Planetary 39 particle accelerators 39 Giant Magellan Telescope 39 Global Surveyor 39 Bad Astronomy 39 COBE 39 International Linear Collider 39 Ulysses spacecraft 39 Infrared Astronomy 39 sterile neutrinos 39 Adam Riess 39 Lunar Prospector 39 AFOSR 39 extrasolar planetary 39 Cosmic Background Explorer 39 Cosmic Background Explorer COBE 39 Quantum Computing 39 shorter wavelengths 39 WIMPs 39 NASA Kepler spacecraft 39 planetary exploration 39 Thirty Meter Telescope 39 Kuiper Belt Objects 39 astrometric 39 robotic telescopes 39 Planetary Transits 39 terrestrial planets 39 Deep Impact comet 39 Space Telescope GLAST 39 Keck Telescope 39 Professor Colin Pillinger 39 exoplanet hunter 39 MiniBooNE 39 Space Interferometry Mission 39 Gamma ray Large 39 Earth asteroids 39 Gamma ray burst 39 Carnegie Observatories 39 microwave radiometers 39 highly elliptical orbits 39 Kepler Space Telescope 39 cosmic microwave radiation 39 EPOXI 39 interferometers 39 redshifts 39 frequency comb 39 Mars Reconnaissance Orbiter 39 Higgs boson particle 39 Fermi Paradox 39 theoretical astrophysics 39 OpenFlow 39 submillimeter wavelengths 39 ASKAP 39 HIRES spectrometer 39 Interplanetary Internet 39 STIS 39 sterile neutrino 39 Telescope BAT 39 LHC experiments 39 Astrophysical 39 Cassini 39 ion propulsion 39 KIPAC 39 Spectrograph 39 robotic landers 39 Astrobiology 39 X ray afterglow 39 NASA Jet Propulsion 39 astronomer 39 RXTE 39 JIMO 39 DEIMOS 39 inhabitable planets 39 APXS 39 NEAs 39 SELENE 39 Exascale 39 interferometric observations 39 landers 39 orbiting observatory 39 Jenniskens 39 planets orbiting distant 39 UVOT 39 Folding @ Home 39 Surveillance System STSS 39 Kavli Institute 39 Darpa 39 Red Planet 39 God Particle 39 Jet Propulsion Laboratory JPL 39 neutrino oscillation 39 HAARP 39 spacecraft 39 Cygnus Lyra region 39 ExoMars mission 39 e MERLIN 38 Neil deGrasse Tyson 38 Next Generation Supercomputer 38 Subaru telescope 38 GPS satellites 38 Fomalhaut b 38 Optical Gravitational Lensing Experiment 38 USArray 38 Advanced LIGO 38 exoplanets orbiting 38 Pluto demotion 38 infrared telescope 38 Huygens probe 38 John Callas rover 38 Gamma Ray 38 HARPS N 38 Astrophysicist 38 Spacebook 38 AAVSO 38 AIRSS 38 National Optical Astronomy 38 extrasolar planets orbiting 38 ICARUS 38 Square Kilometre Array 38 MeerKAT 38 Fermilab Tevatron 38 Large Hadron Collider LHC 38 pulsars 38 System F6 38 NASA Goddard 38 Meteorological Satellite 38 Lawrence Krauss 38 Fermi LAT 38 Tropical Rainfall Measuring 38 celestial observations 38 satellites orbiting Earth 38 IPTO 38 TinyOS 38 cosmic ray detector 38 astrobiologists 38 Avi Loeb 38 Long Wavelength Array 38 Higgs Boson 38 Lunokhod 38 adaptive optics 38 Pluto Kuiper Belt 38 Gmachl 38 amateur astronomers 38 PASADENA Calif. NASA 38 ASPERA 38 exoplanet orbiting 38 Mars Rover 38 interstellar particles 38 gravitational lenses 38 OSIRIS Rex 38 magnetar 38 Jay Melosh 38 Gerhard Schwehm 38 seismology 38 Zeta Ophiuchi 38 Tevatron 38 JWST 38 telescope atop Mauna 38 OSIRIS REx 38 orbiting Chandra 38 planets orbiting sun 38 CoRoT satellite 38 MErcury Surface Space ENvironment 38 Observatory NOAO 38 interferometry 38 Astronautical Science 38 Telescope 38 cosmologists 38 Son Nghiem 38 nanosatellite 38 panspermia 38 Space Physics 38 Robotic Exploration 38 ExoMars 38 ARPAnet 38 IARPA 38 Heliospheric Observatory SOHO 38 polarimetry 38 Proxima Centauri 38 Theodore von Karman 38 Martian meteorites 38 Fritz Zwicky 38 exosolar planets 38 Earth orbiting satellites 38 gamma ray detectors 38 Kepler Telescope 38 radial velocity method 38 NERSC 38 HARPS instrument 38 electron volt 38 detect gamma rays 38 transiting planets 38 Uninhabited Aerial Vehicle 38 Astronomer 38 ADM Aeolus 38 Martian 38 crewed spacecraft 38 planet orbits 38 Mars orbiting spacecraft 38 Junichiro Kawaguchi 38 Cryogenic Dark Matter 38 San Francisco Exploratorium 38 IBM Almaden 38 orbiting gamma ray 38 Viking landers 38 Andrew Fraknoi 38 Microlensing Follow Up 38 NASA Mars Odyssey 38 occulted 38 Akatsuki 38 CalTech 38 Earthscope 38 Particle Physics 38 Fraknoi 38 astrophysical 38 quantum teleportation 38 lander 38 Astronomy 38 GRBs 38 ESA Earth Observation 38 Spirit rover 38 TrES 4 38 George Djorgovski 38 Kepler 38 Elenin 38 Astrobiology Science 38 Panoramic Survey 38 Chandrayaan 38 Marvin Minsky 38 director Charles Elachi 38 cosmic gamma rays 38 Pillinger 38 twin Voyager spacecraft 38 gamma ray burst 38 Eric Becklin 38 Solaren 38 WFC3 38 GRB# 38 Epsilon Aurigae 38 proton decay 38 Kuiper Belt Object 38 orbiting spacecraft 38 Eagle lunar lander 38 Field Infrared Experiment 38 Bruce Jakosky 38 Panspermia 38 millisecond pulsar 38 rovers 38 Kitt Peak 38 SAFOD 38 Avishay Gal Yam 37 Phoenix Mars lander 37 particle physics 37 cosmological observations 37 orbiting 37 Stephen Wolfram 37 Synchrotron 37 Wide Angle Search 37 NIRSpec 37 star Gliese 37 PlanetLab 37 Cosmic Origins Spectrograph COS 37 Keck Telescopes 37 Climate Experiment GRACE 37 particle physics experiments 37 SPHERES 37 Keck telescopes 37 Bryan Gaensler 37 astronomical observations 37 Astrobotic 37 MESSENGER MErcury Surface 37 SkyScout 37 Galileo spacecraft 37 theoretical physicist 37 Director Charles Elachi 37 Hubble Space Telescope HST 37 distant galaxy 37 NLSI 37 Pier Oddone 37 earth orbiting satellites 37 technological singularity 37 Synthetic Aperture Radar 37 Quantum Optics 37 lunar missions 37 DUSEL 37 Interferometer 37 Astro E2 37 Terahertz 37 Phoenix Mars Lander 37 Martian arctic 37 GLAST telescope 37 Epsilon Eridani 37 robotic rovers 37 neutrino detectors 37 Caltech 37 Thermal Emission Spectrometer 37 Collider Detector 37 David Wettergreen 37 neutralino 37 Gregory Benford 37 Hubble telescope 37 Chandrayan 37 neutrino 37 WMAP 37 Joel Primack 37 Alpha Magnetic Spectrometer 37 CDMS experiment 37 Nibiru 37 robotic spacecraft 37 planetary astronomy 37 Andrea Ghez 37 cosmological 37 Genographic Project 37 muon neutrinos 37 NFIRE 37 astronomical telescope 37 Maciej Konacki 37 Philae lander 37 Nasser Peyghambarian 37 ESA Planck 37 HD# [002] 37 Terascale 37 orbiting observatories 37 satellites 37 Huygens descent 37 planetary transits 37 Subaru Telescope 37 Mars Odyssey 37 Nasa Ames 37 XENON# [002] 37 Terrestrial Planet Finder TPF 37 Alaska Fairbanks Geophysical 37 Saul Perlmutter 37 high temperature superconductivity 37 Martian rovers 37 KamLAND 37 distant quasar 37 MMT Observatory 37 Observatory SDO 37 Rosaly Lopes 37 YES2 37 Imiloa 37 Huygens 37 Herschel Planck 37 muons 37 Swift Burst 37 astronomical observatory 37 exosphere 37 HD#b 37 Mars Pathfinder 37 Hubble Space Telescope 37 Solar System 37 Quantum Physics 37 Geosynchronous 37 Outer Planets 37 Richard Binzel 37 Mike Montemerlo 37 Viking Lander 37 Extraterrestrial Life 37 Raymond Jeanloz 37 Big Bang theory 37 KBOs 37 Jet Propulsion Lab 37 Michal Lipson 37 astro comb 37 Richard Mushotzky 37 PPARC 37 axions 37 SMOS 37 Uwe Bergmann 37 reionization 37 Mars Polar Lander 37 SNfactory 37 cosmology 37 Information Retrieval 37 Mars rovers Spirit 37 Michael Zolensky 37 GLAST Burst Monitor 37 Orbital Express 37 Extrasolar 37 ufologists 37 solar corona 37 astrophysicist 37 BioLogos Foundation 37 Grillmair 37 Galaxy Evolution 37 Subsonic Fixed Wing 37 muon 37 SBIRS 37 Gravitational lensing 37 Planetary Science Institute 37 Gregory Asner 37 Compton Gamma Ray 37 ST5 37 X ray spectrometer 37 HIAPER 37 Interstellar Boundary Explorer 37 waning gibbous 37 constellation Sagittarius 37 MIT planetary scientist 37 gamma ray bursts 37 AMSAT 37 Fermilab 37 STScI 37 Carina constellation 37 Exoplanet 37 Ed Weiler 37 Herschel Space Telescope 37 Kris Pister 37 Comet Holmes 37 Faulkes Telescope 37 Hubble servicing 37 Giovanni Cassini 37 O OREOS 37 heliophysics 37 Satish Dhawan 37 spacecraft Cassini 37 telescopes astronomers 37 Dalcanton 37 CAIDA 37 hubble 37 exoplanets 37 Spitzer infrared spectrograph 37 blazars 37 Bill Borucki Kepler 37 gamma ray detector 37 Kibo Japanese 37 Raytheon BBN Technologies 37 asteroid Itokawa 37 NASA astrobiology 37 Desert RATS 37 Proba 2 36 Mini Thermal Emission 36 Submillimeter 36 Ed Weiler NASA 36 Area Telescope LAT 36 active galactic nuclei 36 X ray wavelengths 36 Phoenix lander 36 Foing 36 lunar lander 36 UFO 36 Space.com 36 Mars Orbiter 36 nanosatellites 36 Sergio Bertolucci 36 Cosmological Physics 36 gamma ray telescope 36 Ionospheric 36 Alycia Weinberger 36 Project Agency DARPA 36 Fran Bagenal 36 Planetary Exploration 36 lunar regolith 36 SUSY 36 distant galaxies 36 TanDEM X 36 AMASE 36 STSS Demonstration 36 CERN collider 36 Earths orbiting 36 Rychard Bouwens 36 Solar TErrestrial RElations Observatory 36 spectroscopic observations 36 FORCAST 36 Colin Pillinger Beagle 36 colliders 36 infrared wavelengths 36 Hubble astronomers 36 neutrino physics 36 Kepler telescope 36 NASA Lunar Crater 36 orbiting Saturn 36 Ocean Salinity SMOS 36 proton proton collisions 36 GALEX 36 dwarf galaxies 36 Mars rover Spirit 36 APEX telescope 36 Heliophysics Division 36 Gravity Probe 36 orbiting Mars 36 Exoplanets 36 National Astronomical Observatory 36 Teragrid 36 quasar 36 gamma ray telescopes 36 Mössbauer 36 Orbiting Carbon Observatory 36 Comet Hartley 2 36 lunar meteorites 36 Z boson 36 X ray Telescope XRT 36 polarimetric 36 planetary 36 Boethin 36 cosmologist 36 Sidewalk Astronomers 36 NASA WMAP 36 MINOS experiment 36 Bernhard Fleck 36 HARPS spectrograph attached 36 correlator 36 Comet Halley 36 electron neutrinos 36 Interorbital Systems 36 Henrik Svensmark 36 airborne observatory 36 HiRISE camera aboard 36 Apollo missions 36 Stratospheric Observatory 36 Mars rover 36 Mount Stromlo Observatory 36 Vassilis Angelopoulos 36 GridPP 36 UKIRT 36 distant quasars 36 Rare Isotope Beams 36 astronomy observatory 36 NRAO 36 R#a# 36 Higgs boson 36 Prof. Hawking 36 astrophysics 36 Hawking radiation 36 WWV 36 Epoxi 36 Situ Resource 36 GEO# 36 Charon Pluto 36 CALO 36 Samuel Ting 36 BepiColombo 36 Ellery Hale 36 Caltech JPL 36 photometry 36 UFOlogy 36 Astrophysics MOA 36 Vehicles Directorate 36 sunlike star 36 Hakan Svedhem 36 NASA Ames 36 hadron collider 36 Jupiter flyby 36 particle detectors 36 Cosmic Microwave Background 36 biosignatures 36 Tau Ceti 36 Herschel Space 36 rocky planets 36 DEISA 36 Voorwerp 36 polar orbiting satellites 36 physicists 36 supercomputer simulations 36 stargazer 36 interplanetary missions 36 Cern 36 planemos 36 microshutters 36 Mars Climate Sounder 36 Manchester Jodrell Bank 36 Wilkinson Microwave Anisotropy Probe 36 Heliophysics 36 LSST 36 Astrobiology Institute 36 substorms 36 Large Synoptic Survey 36 San Diego Supercomputer 36 Adaptive optics 36 Huygens mission 36 spectrograph 36 Hipparcos 36 SBSS Block 36 Martian rover 36 HD #b [002] 36 Ghostnet 36 extraterrestrials 36 Erich von Däniken 36 Large Hadron Collider 36 cosmic phenomena 36 EPOXI mission 36 extrasolar planet 36 bolometers 36 Korotev 36 Saturn Cassini 36 NASA Gamma ray 36 highly elliptical orbit 36 SORCE 36 Mars Atmosphere 36 faraway galaxies 36 cosmic particles 36 orbiting telescopes 36 Jeffrey Kargel 36 ray Space Telescope 36 NOvA 36 Lee Felsenstein 36 rover 36 planets astronomers 36 Visit SPACE.com 36 Large Scale Sequencing 36 Mpc 36 interplanetary 36 Plate Boundary 36 UFO phenomena 36 Oort Cloud 36 GJ #b [001] 36 moonquakes 36 supersymmetry 36 INTEGRAL satellite 36 Square Kilometer Array 36 submillimeter wavelength 36 Volatile Evolution 36 Lagrangian 36 Geoffrey Marcy 36 Alpha Centauri 36 Compact Muon Solenoid CMS 36 durable twin rovers 36 Gaensler 36 Brookhaven Relativistic Heavy 36 Charles Bailyn 36 collider 36 Xerox PARC 36 orbits 36 Laurie Leshin 36 Fred Hoyle 36 Marsis 36 Neutral Mass Spectrometer 36 ETs 36 NASA THEMIS 36 Space ENvironment GEochemistry 36 Michio Kaku 36 atom smasher 36 LASP 36 Manned missions 36 Lunar Surface 36 Tevatron experiments 36 brightest supernova 36 neutrino beam 36 Dmitri Denisov 36 Comet Lulin 36 Niels Provos 36 Magnetospheric 36 RescueTime 36 Planetary Institute 36 APAN 36 undiscovered particle 36 Planetology 36 Lick Observatory 36 Rolf Kudritzki 36 outer planets 36 Space Agency 36 neutron spectrometer 36 STEREO spacecraft 35 retrograde orbits 35 Airborne Laser 35 Space Infrared Telescope 35 Science.gov 35 lunar 35 photoelectric effect 35 Galileoscope 35 LRO LCROSS 35 Hiroo Kanamori 35 supercomputing 35 NAOMS 35 subatomic particle 35 NSF TeraGrid 35 Mars orbiter 35 anthropic principle 35 observable universe 35 LIGO Scientific Collaboration 35 LSND 35 LROC 35 VISTA telescope 35 MG J# +# 35 Tevatron collider 35 OptIPuter 35 Stellarium 35 quantum entanglement 35 Fermi Large 35 fainter objects 35 HiRISE image 35 IYA# 35 NSPO 35 Space Flight 35 exoplanet 35 silicon photonics 35 Karl Menten 35 Robert Jedicke 35 GeoForschungsZentrum Potsdam 35 contactees 35 neutrino particles 35 Markram 35 Orbital Sciences 35 E sciencE EGEE 35 Extrasolar Planet Observation 35 radio occultation 35 BaBar 35 particle smasher 35 hexagonal mirrors 35 MIRTHE 35 WIYN Observatory 35 Comet Hale Bopp 35 Institute NSBRI 35 gravitational lensing 35 UW Applied Physics 35 quantum computers 35 Dark Matter 35 Cometary 35 GROND 35 Quadrantids 35 GENI 35 Space Telescope Science 35 Mastcam 35 ADUM 35 Kailash Sahu 35 UNAVCO 35 INMS 35 FASTSAT 35 attosecond 35 Toutatis 35 CERN Large Hadron 35 planet TrES 35 Maria Zuber