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(Click for frequent words.) 66 ESO Very Large Telescope 65 ESO VLT 63 HARPS spectrograph attached 63 ray Space Telescope 62 La Silla Observatory 62 La Silla observatory 61 Planetary Transits 60 ESA XMM Newton 60 CoRoT satellite 59 Convection Rotation 59 Very Large Telescope 59 rocky extrasolar planet 59 VLTI 58 ESO telescope 58 Paranal Chile 58 ESO Paranal Observatory 58 Optical Gravitational Lensing Experiment 58 OGLE 58 ESO telescopes 58 RS Ophiuchi 58 Mauna Kea Hawaii 58 Fermi LAT 57 NASA Wilkinson Microwave 57 BLG #Lb 57 XMM Newton 57 spectroscopic observations 57 Observatory Very 57 NASA Fermi Gamma 57 Southern Observatory ESO 57 ESO PR 57 Omega Centauri 57 distant quasar 56 Active Galactic Nuclei 56 La Silla Chile 56 stellar occultations 56 PSR B# +# 56 constellation Carina 56 submillimetre 56 Cerro Tololo 56 WM Keck Observatory 56 HARPS instrument 56 SINFONI 56 Observatoire de Paris 56 Herschel Space 56 Cerro Paranal 56 Astrophysical Research 55 Wide Angle Search 55 Field Imager 55 Infrared Pathfinder Satellite 55 gamma ray observatory 55 NASA Far Ultraviolet 55 Fermi telescope 55 UKIRT 55 X ray observatory 55 GALEX 55 Gliese #e 55 NASA Chandra 55 elliptical galaxy NGC 55 Submillimeter Array 55 ESA Integral 55 Microlensing Observations 55 Cristina Chiappini 55 Atacama Large Millimeter submillimeter 55 APEX telescope 55 NASA ESA Hubble 55 Multi Object Spectrometer 55 brightest supernova 55 Japan NAOJ 54 Extrasolar Planet Search 54 millisecond pulsar 54 X ray Observatory 54 HARPS spectrograph 54 Pluto Charon 54 Wolfgang Brandner 54 Anisotropy Probe 54 planetary Transits 54 Paranal 54 High Accuracy Radial 54 astronomical telescope 54 UVOT 54 barred spiral galaxy 54 XMM Newton satellite 54 SDSS II 54 Muchachos Observatory 54 microlensing 54 Astrophysics MOA 54 Astrophysical Institute 54 Samuel Oschin Telescope 54 Array ALMA 54 Pierre Auger Observatory 54 INTEGRAL 54 spacecraft Cassini 54 thrilling stargazers 54 Infrared Array Camera 53 DEEP2 53 Hanny Voorwerp 53 Large Telescope 53 planets orbiting distant 53 X ray spectrometer 53 Subaru Telescope 53 exoplanet hunter 53 Spectrograph 53 Roque de los 53 Fermi Gamma ray 53 Manchester Jodrell Bank 53 Radioastronomy 53 planet orbiting 53 Anisotropy Probe WMAP 53 SEGUE 53 spectroscopic measurements 53 Spitzer Space Telescope 53 Hubble Space Telescope HST 53 Igor Chekalin 53 supergiant star 53 astrometry 53 NAOJ 53 orbiting gamma ray 53 spectroscopically 53 velocity Planet Searcher 53 Keck Interferometer 53 Stephan Quintet 53 star Beta Pictoris 53 galaxy NGC 53 Near Infrared Camera 53 VIRTIS 53 Supernova #A 53 OSIRIS 53 Giovanni Cassini 53 transiting exoplanet 52 Infrared Thermal Imaging Spectrometer 52 Exoplanets 52 RXTE 52 Infrared Telescope UKIRT 52 mu Arae 52 Gemini Observatory 52 transiting exoplanets 52 Comet 9P/Tempel 1 52 orbiting Chandra 52 Planetology 52 starburst galaxy 52 Rosette Nebula 52 Hubble Near Infrared 52 binary quasar 52 ROSAT 52 radial velocity technique 52 Multi Object Spectrograph 52 Galaxy Evolution 52 AKARI 52 WISE infrared 52 HESS telescopes 52 National Astronomical Observatory 52 G#.# +#.# 52 Crab Pulsar 52 Sagittarius Window Eclipsing 52 2MASS 52 Small Magellanic Cloud 52 DISR 52 gravitational microlensing 52 NASA Interstellar Boundary 52 VIMOS 52 Cepheid variable 52 Wilkinson Microwave Anisotropy Probe 52 CSIRO Parkes radio 52 Auger Observatory 52 extrasolar planet 51 Comet Hartley 2 51 ASTRON 51 PSR J# 51 Beta Pictoris 51 Comet Halley 51 Keck telescope 51 X ray telescopes 51 NASA Great Observatories 51 Keck telescopes 51 Adaptive Optics 51 NASA Cassini spacecraft 51 polarimetry 51 Observatory STEREO 51 infrared interferometry 51 Telescope BAT 51 COROT 51 VLBA 51 smallest exoplanet 51 Maciej Konacki 51 Christophe Lovis 51 microquasar 51 spiral galaxy NGC 51 Delta Cephei 51 Wilkinson Microwave Probe 51 J# +# [002] 51 AU Mic 51 GRB# 51 moon Io 51 Kepler 9c 51 eclipsing binary 51 ESA SMART 51 Jupiter moon Io 51 extrasolar planets orbiting 51 HD#b 51 sized planets orbiting 51 Cat Paw Nebula 50 Extraterrestrial Physics 50 Lagoon Nebula 50 Epsilon Aurigae 50 UC Observatories Lick 50 Helix Nebula 50 Ring Nebula 50 OGLE TR 50 Orion Nebula 50 X ray observatories 50 constellation Centaurus 50 HD# [002] 50 HARPS 50 Science Experiment HiRISE 50 Solar Dynamics Observatory 50 Spectroscopic 50 ESA Herschel 50 Large Magellanic Cloud 50 infrared observatory 50 exoplanets orbiting 50 Corot 7b 50 Katlenburg Lindau Germany 50 Katzman Automatic 50 comet McNaught 50 Comet Holmes 50 spacecraft flyby 50 exo planets 50 Max Planck Institut fur 50 XTE J# 50 exoplanetary 50 Nasa Kepler 50 microlensing events 50 submillimetre wavelengths 50 Cassini Huygens spacecraft 50 AB Aurigae 50 constellation Hercules 50 Crab Nebula 50 Commissariat à l' Énergie 50 Triangulum Galaxy 50 SOHO spacecraft 50 asteroseismology 50 Cloud Aerosol Lidar 50 Peter Grünberg 50 imaging spectrometer 50 Very Large Array 50 Moderate Resolution Imaging 50 WIYN 50 Interferometer 50 radial velocity 50 ESO 50 GRB # 50 UDFy # 50 Milky Way halo 49 inch Samuel Oschin 49 Kepler Mission 49 Laboratory SSRL 49 radiotelescope 49 MPIfR 49 X ray binary 49 Keck Telescope 49 Compact Reconnaissance Imaging Spectrometer 49 astronomers 49 Cosmic Evolution 49 Bug Nebula 49 galaxy M# [001] 49 Geoscience Laser Altimeter 49 Cancri 49 Upsilon Andromedae 49 Heliospheric Observatory SOHO 49 galaxy M# [002] 49 HUDF 49 Tommaso Treu 49 infrared spectra 49 AAVSO 49 SOAR telescope 49 SN #A 49 Mössbauer 49 Energy Stereoscopic 49 Las Campanas Observatory 49 Io Europa 49 Exoplanet 49 WMAP satellite 49 Imaging Spectrometer 49 Harlow Shapley 49 Veil Nebula 49 asteroid Lutetia 49 CHARA 49 Francois Bouchy 49 Perseus Cluster 49 exo planet 49 Evolution Explorer 49 Virgo Cluster 49 interferometric 49 journal Astronomy 49 Chajnantor 49 constellations Cygnus 49 UCO Lick 49 distant supernovae 49 Cygnus X 49 Lyman alpha 49 Type Ia supernova 49 GRB #B 49 MicroFUN 49 ESA ASI 49 constellation Auriga 49 Relations Observatory STEREO 49 Subaru telescope 49 RS Oph 49 Jacques Laskar 49 spectroscopic 49 Astronomers 49 SNfactory 49 TrES 4 49 Swift Ultraviolet Optical 49 Galilean moons 48 cosmological distances 48 LUCIFER 48 stellar occultation 48 visit http:/saturn.jpl.nasa.gov 48 Keck Observatory 48 extrasolar 48 exoplanets planets 48 Fornax cluster 48 neutral mass spectrometer 48 WIYN telescope 48 GROND 48 radial velocity method 48 OGLE TR #b 48 cluster NGC 48 Lunar Reconnaissance Orbiter Camera 48 Red Rectangle 48 Spectrometry 48 Diviner 48 gravitationally lensed 48 Mpc 48 planetary nebulas 48 adaptive optics 48 constellation Ursa Major 48 spatially resolved 48 Pieter van Dokkum 48 NASA Kepler 48 Orbiter LRO 48 solar corona 48 arcseconds 48 INTEGRAL satellite 48 SN #gy 48 Ranging MESSENGER spacecraft 48 Explorer WISE 48 Reflection Radiometer 48 Borexino 48 refurbished Hubble Space 48 Fomalhaut b 48 optical spectra 48 Rainer Klement 48 distant quasars 48 NASA Hubble Space 48 constellation Cetus 48 Explorer GALEX 48 X ray wavelengths 48 RHESSI 48 Galileo spacecraft 48 geoneutrinos 48 CfA 48 Max Planck Institut fuer 48 optical telescope 48 Virgo cluster 48 Comet #P 48 Corot 9b 48 radio occultation 48 Franck Marchis 48 astrometric 48 DIXI 48 muon neutrino 48 WASP #b 48 detect gamma rays 48 Moon Mineralogy Mapper M3 48 Johny Setiawan 48 Investigation DIXI 48 neutron spectrometer 48 UA Steward Observatory 48 TrES 48 COROT 7b 48 Arizona Steward Observatory 48 Tarantula Nebula 48 Hubble observations 48 Villigen Switzerland 48 Ulysses spacecraft 48 weak gravitational lensing 48 DZero collaboration 48 ephemeris features 48 Infrared Mapping Spectrometer 48 GJ #b [001] 48 Area Telescope LAT 48 Orbiter MRO 48 protoplanetary 48 exoplanet 48 Spitzer Infrared Array 48 spiral galaxy Messier 48 occultations 47 Observatory telescope 47 trans Neptunian objects 47 Epsilon Indi 47 LOFAR 47 HiRISE camera aboard 47 Tycho Brahe 47 Peter Jenniskens 47 CoRoT #b 47 RY Sagittarii 47 VIRTIS instrument 47 Comet Hale Bopp 47 photometer 47 Extrasolar Planets 47 infrared telescopes 47 NASA EPOXI mission 47 ENVISAT 47 COBE satellite 47 Surveys ACS 47 Cassini ion 47 Nicolaus Copernicus 47 Elenin 47 High Resolution Imaging 47 HIRES spectrometer 47 Infrared Telescope 47 Advanced Spaceborne Thermal Emission 47 Physikalisch Technische Bundesanstalt PTB 47 NASA THEMIS 47 Quaoar 47 planetary astronomer 47 Gemini telescopes 47 Catherine Cesarsky 47 Galilean satellites 47 ESA Cluster 47 stellar seismology 47 High Angular Resolution 47 Submillimeter 47 starquakes 47 Observatory SDO 47 SPICAM 47 Observatory NOAO 47 GJ#b 47 Nikku Madhusudhan 47 Geminga 47 SN #C 47 gamma ray flares 47 Photoacoustic 47 Cassini flyby 47 Svetlana Gerasimenko 47 Cassini Imaging 47 gaseous planet 47 CoRoT 7b 47 planetary nebulae 47 BP Piscium 47 Lulin 47 Helioseismic 47 multiwavelength 47 coronagraph 47 Kailash Sahu 47 Optical Telescope 47 star Gliese 47 S/# P2 47 transiting planet 47 Garching Germany 47 Globular Cluster 47 Huygens descent 47 SN #D 47 Cygnus Lyra region 47 IRC +# 47 muon neutrinos 47 Observatory LDEO 47 infrared telescope 47 ESA ERS 47 Pinwheel Galaxy 47 noctilucent 47 exoplanet orbiting 47 intrinsic brightness 47 interstellar dust clouds 47 NGC #A 47 faint galaxies 47 Camelopardalis 47 Planck satellite 47 Orion nebula 47 Burst Alert 47 interstellar cloud 47 constellation Scorpius 47 APXS 47 ASTRONOMERS 47 Thermal Emission 47 van Arkel discovery 47 constellation Puppis 47 blazars 47 arcminutes 47 Trifid Nebula 47 CoRoT 9b 47 Thermal Emission Spectrometer 46 Seyfert galaxies 46 interferometry 46 Microlensing Follow Up 46 Alpha Particle 46 orbiting Cassini spacecraft 46 Mars CRISM 46 PASADENA Calif. Astronomers 46 Saturn moon Enceladus 46 ALFALFA 46 Composite Infrared Spectrometer 46 NanoSIMS 46 jovian 46 NASA Kepler spacecraft 46 Henize #-# 46 Shallow Radar 46 z ~ 46 Sagittarius B2 46 Cepheid variables 46 Helmholtz Zentrum Berlin 46 Astrophysics CfA 46 Lulin Observatory 46 Atomique CEA 46 planet Uranus 46 Telescope LSST 46 V# Mon 46 retrograde orbits 46 Arecibo Observatory 46 Forschungszentrum Dresden Rossendorf FZD 46 Theodor Hänsch 46 neutrino telescope 46 Confocal Raman 46 SuperWASP 46 NICMOS 46 millimeter wavelengths 46 Max Plank 46 Omega Nebula 46 HIP #b 46 Astrophysicists 46 Wilhelm Roentgen 46 renowned astrophysics observatory 46 Anthony Remijan 46 magnetars 46 blue supergiant 46 called gravitational microlensing 46 Albert Fert 46 constellation Virgo 46 distant galaxy 46 Cassini spacecraft orbiting 46 MG J# +# 46 Comet Hartley 46 Cepheids 46 arcsec 46 constellation Aquarius 46 NASA Infrared Telescope 46 Magnetars 46 Harvard Smithsonian Astrophysical 46 Planck spacecraft 46 starburst galaxies 46 Eric Becklin 46 SWIFT J#.# 46 exoplanets 46 photosphere 46 optical coherence 46 spectrographs 46 EPOCh 46 Astrophysics Cambridge Mass. 46 innermost planet 46 dwarf galaxy 46 orbiting Hubble telescope 46 Resolution Stereo Camera 46 infall 46 moons orbiting 46 planets orbiting 46 cosmic cannibal 46 exosolar planets 46 Ferenc Krausz 46 Andromeda Galaxy 46 #gy 46 Martian meteorites 46 Cosmic Background Explorer COBE 46 Doradus 46 GRB #A 46 globular cluster M# 46 DEM L# 46 Kuiper belt objects 46 interacting galaxies 46 Cosmic Background Explorer 46 RRATs 46 Coma Cluster 46 FORCAST 46 Gamma ray burst 46 VISTA telescope 46 Epsilon Eridani 46 transmission electron microscopes 46 Extrasolar Planet Observation 46 Deep Impact Extended 46 Cancri e 46 planets orbiting sun 46 Saturnian system 46 EPOXI spacecraft 46 Comet McNaught 46 PKS #-# 46 constellation Cassiopeia 46 Arches Cluster 46 backscattered 46 Trapezium 46 IBEX spacecraft 46 STEREO spacecraft 46 George Djorgovski 46 Spectrometers 46 Kuiper Belt object 46 Mars Odyssey Orbiter 46 Richard Mushotzky 45 THEMIS Image 45 KH #D 45 orbiting Saturn 45 Observatory astronomer 45 AGNs 45 MINOS 45 Toutatis 45 ESA Planck 45 Federico Capasso 45 spectral fingerprint 45 moon permanently shadowed 45 Andromeda galaxy 45 red supergiant 45 J#.# [001] 45 Butterfly Nebula 45 Palomar Observatory 45 Infrared Mapping Spectrometer VIMS 45 Hubble Ultra 45 Large Binocular Telescope LBT 45 Space Telescope 45 Beta Pictoris b 45 Hipparcos 45 retrograde orbit 45 Arabia Terra 45 S/# [001] 45 Solar TErrestrial RElations Observatory 45 Extragalactic 45 cosmic magnifying glass 45 constellation Pegasus 45 supernova remnant 45 Robotic Arm Camera 45 Ranging spacecraft 45 synchrotron X ray 45 moons circling 45 twin STEREO spacecraft 45 X ray emission 45 e MERLIN 45 Bok globules 45 Kazantzidis 45 QQ# 45 TNOs 45 Observatory La Silla 45 Interferometric 45 Serpens 45 X ray pulses 45 Field Imager WFI 45 Alycia Weinberger 45 STScI 45 infrared astronomy 45 HD #b [002] 45 radial velocity measurements 45 Lunar Laser Ranging 45 giant elliptical galaxy 45 Kuiper Belt Object 45 atop Mauna Kea 45 Cassini spacecraft 45 VLBI 45 extrasolar planets 45 microscopy technique 45 particle detector 45 NASA Cosmic Background 45 BBSNews #-#-# NASA 45 active galactic nuclei 45 Laser Interferometer Gravitational Wave 45 diffraction patterns 45 Super Kamiokande 45 Milky Way Galaxy 45 optical interferometry 45 spacecraft orbiting 45 Gamma ray Burst 45 Deep Impact Principal Investigator 45 planet TrES 45 Ecole Normale Supérieure 45 lobate scarps 45 SDSS III 45 Astronomy buffs 45 extragalactic 45 NASA Cassini 45 Cassini Huygens 45 noctilucent clouds 45 faintest galaxies 45 magnetospheric 45 Submillimeter Array SMA 45 extrasolar planetary systems 45 Great Observatories Origins 45 Rolf Kudritzki 45 nebular 45 NASA Stratospheric Observatory 45 astrophysical phenomena 45 occulted 45 Fermi Telescope 45 Lunar Orbiter Laser Altimeter 45 lunar topography 45 NASA rover Spirit 45 Nankai Trough Zone 45 X ray emitting 45 Gamma ray 45 NASA JPL Caltech 45 gamma ray burst GRB 45 Cerro Pachón 45 NASA MESSENGER spacecraft 45 LINEAR 45 comet nucleus 45 millisecond pulsars 45 Infrared Astronomy SOFIA 45 volcanic moon Io 45 Lick Observatory 45 galaxy cluster 45 Upsilon Andromedae b 45 elliptical galaxy 45 Voorwerp 45 constellation Andromeda 44 Herschel telescope 44 Earth Connection Coronal 44 planetary nebula 44 Pegasus constellation 44 Komossa 44 Institut Laue Langevin 44 moons Phobos 44 orbiting Hubble Space Telescope 44 radar altimetry 44 Dumbbell Nebula 44 fainter objects 44 constellation Lyra 44 Gerard Kuiper 44 constellation Aquila 44 photometry 44 reflection nebula 44 gamma ray photons 44 Kepler Telescope 44 particle detectors 44 Saturnian moons 44 carbonaceous chondrites 44 Faint Object 44 orbited Jupiter 44 Magellanic Clouds 44 Tauri Sb 44 magnetar 44 X ray Telescope XRT 44 moon Titan 44 HD #b [001] 44 constellation Taurus 44 Photometric 44 Suzaku X ray 44 Jenniskens 44 Kepler #b 44 Landsat satellite 44 Miniature Synthetic Aperture Radar 44 spectrometric 44 Saturnian moon 44 distant galaxies 44 Pluto Eris 44 evaporite deposits 44 X ray absorption spectroscopy 44 SNR #-#.# 44 planet orbits 44 Kepler Space Telescope 44 Delia Milliron 44 planets orbiting stars 44 http:/www.nasa.gov/cassini 44 Aurigae 44 particle smasher 44 Orion constellation 44 Astronomy Observatory 44 Microlensing 44 CMB radiation 44 geochemists 44 spinels 44 Uranus Neptune 44 Astrophysical Journal 44 Supernova Cosmology Project 44 globular cluster 44 Stefan Immler 44 X ray afterglow 44 HD# [005] 44 Solar Orbiter 44 star Spica 44 blazar 44 Proxima Centauri 44 NASA WMAP 44 Gal Yam 44 Cosmic Microwave Background 44 Light Scattering 44 Cassini Plasma Spectrometer 44 BLG #L 44 deCODE genetics Nasdaq DCGN 44 NASA Solar Terrestrial 44 Commissariat à l' Energie 44 Pegasi 44 IRAS 4B 44 Climate Experiment GRACE 44 intracluster 44 interferogram 44 Evolutionary Anthropology Leipzig 44 earthshine 44 NASA STEREO 44 gravitational lens 44 ultraviolet wavelengths 44 NOAO 44 Titan Saturn 44 MESSENGER 44 GQ Lupi 44 Solar Observatory 44 LORRI 44 Andrea Ghez 44 infrared imager 44 Digitized Sky Survey 44 photometric 44 Wolszczan 44 planemos 44 supernova SN 44 infrared spectrometers 44 Peru Geophysics 44 celestial object 44 Herbig Ae Be 44 astronomical objects 44 Free Electron Laser 44 Comet #P/Holmes 44 Jupiter moons 44 Ecole Polytechnique Fédérale de 44 spiral nebulae 44 Hipparchus 44 Rychard Bouwens 44 transiting planets 44 Tarantula nebula 44 SSRL 44 Type 1a supernovae 44 Brookhaven Relativistic Heavy 44 Solar Optical Telescope 44 LWIR 44 ringed planet 44 Eagle Nebula 44 moon Enceladus 44 National Optical Astronomy 44 Spitzer infrared telescope 44 detect neutrinos 44 HL Tau 44 Carina Nebula 44 Femtosecond 44 Dwarf galaxies 44 Habitable Worlds 43 constellation Eridanus 43 Huygens mission 43 periodic dimming 43 Danish astronomer Tycho 43 electron neutrinos 43 Extrasolar 43 QWIP 43 Nasa Mars Reconnaissance 43 Enceladus flybys 43 Mini Thermal Emission 43 Multispectral 43 constellation Draco 43 Quantum Optics 43 Jupiter magnetosphere 43 planet HD #b 43 TW Hydrae 43 WISE telescope 43 perihelion 43 galaxy clusters 43 supergiant stars 43 Astronomical Units 43 IKONOS Satellite 43 airglow 43 Main Injector Neutrino 43 asteroid Vesta 43 infrared spectral 43 gamma ray telescopes 43 Coma cluster 43 Antenna LISA 43 Hobby Eberly Telescope 43 VB #b 43 gamma ray burst 43 De Pontieu 43 quasar 43 gravitational lenses 43 Kuiper Belt Objects 43 afterglows 43 Interstellar Boundary Explorer 43 Fomalhaut 43 Earthlike planets 43 planets Uranus 43 NASA Opportunity rover 43 Helix nebula 43 GRBs 43 redshifts 43 Space Infrared Telescope 43 circumstellar 43 planets comets 43 lunar craters 43 Galex 43 Sky Survey SDSS 43 VLBA observations 43 rotating neutron stars 43 planets Kepler 43 Cassini ultraviolet 43 InfraRed 43 spectra 43 CRISM 43 star Fomalhaut 43 nicknamed Xena 43 astronomy observatory 43 orbiting observatories 43 Infrared Camera 43 gravitational lensing 43 spectroscopy 43 Image NASA JPL 43 dwarf spheroidal 43 transmission electron microscope 43 largest moon Charon 43 interferometer 43 T Tauri 43 spectrographic 43 planet transits 43 Michael Studinger 43 quasars 43 Eta Carinae 43 F#W 43 Pierre Auger 43 scanning electron microscope 43 Riccardo Giacconi 43 SDSS 43 constellation Vulpecula 43 Harvard exoplanet hunter 43 Voyager spacecraft 43 Juelich Germany 43 Carina constellation 43 astronomical observatories 43 Resolution Imaging 43 Space Telescopes 43 hypervelocity star 43 Keck Telescopes 43 Peter Capak 43 outermost planets 43 Apophis asteroid 43 optical wavelengths 43 unaided eye 43 martian meteorites 43 interstellar grains 43 http:/saturn.jpl.nasa.gov 43 Saturn innermost 43 UVIS 43 spiral galaxy 43 Cometary 43 Magnetic Imager 43 Solar System 43 Popular Astronomy 43 inhabitable planets 43 interplanetary spacecraft 43 Normalized Difference Vegetation 43 Suzaku 43 Donald Johanson 43 Shallow Radar instrument 43 X ray telescope 43 Andromeda halo 43 comet Lulin 43 Magnetometer 43 HAT P 43 circumstellar disk 42 aurorae 42 P/# A2 42 protoplanetary disk 42 Space Telescope GLAST 42 Wilhelm Conrad Roentgen 42 comet Hale Bopp 42 MMT Observatory 42 submillimeter wavelengths 42 astronomer Clyde Tombaugh 42 Astrophysical 42 Steward Observatory 42 occultation 42 Electron Microscope 42 FIB SEM 42 Raman spectrometer 42 Astrophysical Journal Letters 42 Trojan asteroids 42 dust enshrouded 42 planetary astronomy 42 Saturn moons 42 Nima Arkani Hamed 42 hypervelocity stars 42 luminous galaxies 42 Comet NEAT 42 Horsehead Nebula 42 auroral emissions 42 Great Observatories 42 sun corona 42 coronal loops 42 supernova explosion 42 Stanford Synchrotron Radiation 42 super Earths 42 TU# [002]