Related by context. All words. (Click for frequent words.) 65 optical telescope 64 Large Binocular Telescope LBT 60 Kitt Peak 60 Steward Observatory 59 MMT Observatory 59 Telescope LSST 59 Kitt Peak National 58 observatory 58 optical infrared telescope 57 telescope 57 Atacama Large Millimeter Array 57 Large Synoptic Survey 57 steerable radio 56 E ELT 56 HiRISE camera 56 Cerro Tololo 56 Keck telescopes 56 Whipple Observatory 56 Paranal 56 refracting telescope 56 Gran Telescopio Canarias 55 Lunar Reconnaissance Orbiter Camera 55 Array ALMA 55 ESO Very Large Telescope 55 LSST 54 telescopes 54 Herschel Space 54 Muchachos Observatory 54 Submillimeter Array 54 Cerro Paranal 54 Near Infrared Camera 54 inch refractor telescope 54 Chajnantor plateau 54 NIRSpec 54 LROC 54 WIYN 53 La Silla Observatory 53 Hobby Eberly 53 Chilean Atacama Desert 53 Las Campanas Observatory 53 Compton Gamma Ray 53 Interferometer VLTI 52 optical telescopes 52 inch Samuel Oschin 52 Observatory NOAO 52 WIYN telescope 52 Giant Magellan Telescope 52 Cosmic Origins Spectrograph 52 Keck Interferometer 52 ESO VLT 52 Ellery Hale 52 TSN PZ camera 52 Thermal Emission Spectrometer 52 particle detector 52 hexagonal mirrors 52 Facility SIRTF 52 ESO Paranal Observatory 52 Resolution Imaging 52 WM Keck Observatory 52 Extremely Large Telescope 51 Palomar Observatory 51 airborne observatory 51 LCLS 51 Very Large Telescope 51 Lick Observatory 51 twin Keck telescopes 51 Roden Crater 51 Laser Interferometer Gravitational Wave 51 ESO La Silla 51 Solar Observatory 51 robotic telescopes 51 Cerro Pachón 51 Pan STARRS 51 Thirty Meter Telescope 50 astronomical telescopes 50 Keck Observatory 50 Roque de los 50 THEMIS 50 Keck Telescopes 50 WIYN Observatory 50 cosmic ray detector 50 interplanetary spacecraft 50 Earthscope 50 Samuel Oschin Telescope 50 Chajnantor 50 NIRCam 50 Landsat satellite 50 Hobby Eberly Telescope 50 Astrophysical Research 50 supergiant star 50 Multi Object Spectrograph 50 JWST 50 astronomical observatories 50 Hubble Space Telescope HST 49 IceCube 49 Cosmic Origins Spectrograph COS 49 NOAO 49 Cerro Pachon 49 aperture telescope 49 Magellan telescopes 49 WISE infrared 49 Olympus Mons 49 High Angular Resolution 49 Herschel telescope 49 Paranal Observatory 49 Manchester Jodrell Bank 49 Telescope 49 eyepiece #/#s f/#.# 49 Flandrau Science Center 49 beamline 49 infrared telescopes 49 Meteor Crater 49 imaging spectrometer 49 infrared telescope 49 UC Observatories Lick 49 NuSTAR 49 Webb Telescope 49 ultraviolet spectrograph 49 observatory telescope 49 Arizona Steward Observatory 49 Keck Telescope 49 Observatory SDO 49 Meteorite Studies 49 Earth Observation satellites 49 neutrino detector 49 LIGO 49 astronomy observatory 49 HARPS spectrograph 49 spectrographs 49 Interferometer 48 VLTI 48 Pierre Auger Observatory 48 Gemini telescopes 48 USArray 48 Lowell Observatory 48 Keck telescope 48 interferometer 48 Orbiting Solar 48 Caltech Palomar Observatory 48 astronomical observatory 48 Thermal Emission Imaging 48 ESA XMM Newton 48 Subaru telescope 48 Orbiter MRO 48 Cerro Armazones 48 Fermi telescope 48 Observatory La Silla 48 Mauna Kea Hawaii 48 BepiColombo 48 Las Cumbres Observatory 48 submillimetre wavelengths 48 MPG ESO 48 Arecibo Observatory 48 NASA Orbiting Carbon 48 Dan Buhl Planetarium 48 Space Infrared Telescope 48 NASA Infrared Telescope 48 High Resolution Imaging 48 Convection Rotation 48 Arecibo radar 48 infrared mapping spectrometer 48 EarthScope 48 Atacama Large Millimeter submillimeter 48 Kitt Peak Observatory 48 NSLS II 48 NRAO 48 adaptive optics 48 Arsia Mons 48 X ray telescopes 48 e MERLIN 48 Solar Dynamics Observatory 48 OSIRIS REx 48 NOvA 48 microshutters 48 Southern Observatory ESO 48 submillimetre 48 National Optical Astronomy 48 Helioseismic 48 Solar TErrestrial RElations Observatory 48 Plate Boundary 48 spiral galaxy Messier 47 Image NASA JPL 47 neutrino telescope 47 Hawaii Mauna Kea 47 UKIRT 47 Main Injector Neutrino 47 Advanced LIGO 47 resolution panchromatic 47 ChemCam 47 Observatory STEREO 47 Subaru Telescope 47 transmission electron microscope 47 QuickBird 47 Mars Color Imager 47 MINOS 47 SIM PlanetQuest 47 radiotelescope 47 UCO Lick 47 Observatory 47 HiRISE 47 Long Wavelength Array 47 Spectrograph 47 NASA Stratospheric Observatory 47 Nasser Peyghambarian 47 cryo electron microscope 47 Space Physics 47 Geological Survey Cascades Volcanic 47 spectrometer 47 Cerro Paranal Chile 47 QWIP 47 DISR 47 inch refractor 47 SDSS III 47 Heliospheric Investigation 47 STScI 47 Faint Object 47 detect gravitational waves 47 Nikon D# Kowa 47 Solar Terrestrial Relations 47 HiRise camera 47 Hobby Eberly telescope 47 CU Boulder LASP 47 Arecibo telescope 47 Context Camera 47 planetarium dome 47 Descent Imager Spectral Radiometer 47 UNAVCO 47 System THEMIS 47 HIAPER 47 Rosetta orbiter 47 submillimeter wavelength 47 galaxy M# [001] 47 polarimetry 47 RS Ophiuchi 47 NASA STEREO 46 THEMIS satellites 46 ESO telescope 46 Suzaku X ray 46 NASA THEMIS 46 Ultraviolet Imaging Spectrograph 46 VIRTIS instrument 46 Infrared Astronomy 46 Spallation Neutron Source 46 WFC3 46 Soudan Underground Laboratory 46 Infrared Pathfinder Satellite 46 twin Voyager spacecraft 46 Zeiss projector 46 ATLAS detector 46 Salle des Etats 46 Free Electron Laser 46 CALIPSO 46 Surveys ACS 46 Lunar Reconnaissance Orbiter LRO 46 GLAST Burst Monitor 46 ray Space Telescope 46 UA Lunar 46 Magnetic Imager HMI 46 APEX telescope 46 Hubble Space Telescope 46 astronomical telescope 46 MIRTHE 46 Flandrau 46 DEIMOS 46 EPOCh 46 rocky extrasolar planet 46 Chamberlin Observatory 46 Hubble 46 ATST 46 gamma ray observatory 46 NEOWISE 46 inch Schmidt Cassegrain 46 COROT 46 observatories 46 distant quasar 46 Dumbbell Nebula 46 X ray detector 46 infrared observatory 46 Lunar Reconnaissance Orbiter 46 EVLA 46 Spacewatch 46 Planetary Laboratory 46 Field Imager 46 VISTA telescope 46 Bug Nebula 46 planetarium projector 46 rover panoramic 46 spiral galaxy NGC 46 gamma ray detector 46 scanning electron microscope 46 orbiting Chandra 46 FORCAST 46 WMAP satellite 46 Baboquivari Peak 46 telescope atop Mauna 46 Mastcam 46 Canary Telescope 46 JDEM 46 Fleischmann Planetarium 45 photometer 45 NASA Great Observatories 45 beamlines 45 microlensing 45 inch refracting telescope 45 Skynet 5C 45 Large Telescope SALT 45 superconducting magnet 45 Optical Gravitational Lensing Experiment 45 HARPS spectrograph attached 45 Adaptive optics 45 IBEX spacecraft 45 neutrino detectors 45 Mission SRTM 45 orbiting telescope 45 Credit NASA JPL 45 Upsilon Andromedae 45 Quadrantid meteor shower 45 HIRES spectrometer 45 Uninhabited Aerial Vehicle 45 Sommers Bausch Observatory 45 HARPS instrument 45 Jupiter Icy Moons Orbiter 45 Large Telescope Salt 45 infrared astronomy 45 Ring Nebula 45 Square Kilometer Array 45 located atop Mauna 45 Unit Telescopes 45 Substorms mission 45 Gamburtsev 45 SkyCenter 45 Viking Lander 45 ICESat 45 Cassegrain telescope 45 NASA JPL Caltech 45 Mid Infrared 45 Infrared Telescope Facility 45 BLG #Lb 45 SINFONI 45 Landsat satellites 45 powerful particle accelerator 45 Mars Reconnaissance Orbiter 45 Virgo cluster 45 Flyby spacecraft 45 Las Campanas Chile 45 Observatories 45 Comet Hartley 45 constellation Carina 45 Ball Aerospace 45 EPOXI mission 45 THEMIS Image 45 astro comb 45 galaxy NGC 45 portable planetarium 45 SECCHI 45 Opticks 45 orbiting Hubble Space Telescope 45 Ultraviolet Optical Telescope 45 Harvard Smithsonian Astrophysical 45 Nuclear Spectroscopic Telescope Array 45 Valles Marineris 45 Fomalhaut b 45 gravitational wave 45 WISE spacecraft 45 KODAK CCD Image Sensors 45 Planetary Science Institute 45 MINOS experiment 45 GALEX 45 SN #A 45 planetary Transits 44 Interior Laboratory GRAIL 44 amateur astronomers peering 44 JIMO 44 particle smasher 44 Adaptive Optics 44 NAVSTAR 44 Ranging spacecraft 44 inch Alvan 44 Observatory Very 44 THEMIS Images 44 Polarimetry 44 RHESSI 44 Electron Microscope 44 Telescope Array 44 polar orbiting 44 Spitzer infrared spectrograph 44 SIRTF 44 Reconnaissance Orbiter 44 Very Energetic Radiation 44 NASA Lunar Reconnaissance 44 Katzman Automatic 44 SIRAL 44 Mars Atmosphere 44 Burst Alert 44 SMOS mission 44 gamma ray spectrometer 44 planetarium 44 Triangulum Galaxy 44 Science Experiment HiRISE 44 telescopic camera 44 OSIRIS 44 TU# [002] 44 VLT telescope 44 radiometer 44 Thermal Emission 44 GLAST 44 Pan STARRS telescope 44 cosmic ray observatory 44 SELENE 44 galaxy M# [002] 44 slender crescent 44 Solar Orbiter 44 IceCube Neutrino Observatory 44 Space Telescope GLAST 44 fainter objects 44 Anik F2 44 Mars landers 44 Multi Object Spectrometer 44 atop Mauna Kea 44 Kuiper Airborne 44 Ulysses spacecraft 44 interferometers 44 Stratellite 44 TerraSAR X 44 twin rover Opportunity 44 polarimeter 44 Webb Space Telescope 44 Butterfly Nebula 44 Gemini Observatory 44 Francis Halzen 44 DIXI 44 constellation Hercules 44 AKARI 44 Lovell Telescope 44 Telescope BAT 44 Very Large Array 44 VIRTIS 44 STEREO mission 44 infrared wavelengths 44 Fornax cluster 44 spectrometers 44 ICESS 44 Square Kilometre Array 44 WISE telescope 44 Infrared Mapping Spectrometer 44 SDSS II 44 Planetary Transits 44 Coma Cluster 44 X ray observatory 44 Shuttle Radar Topography 44 ecliptic plane 44 ENVISAT 44 Veil Nebula 44 Philae lander 44 Syrtis Major 44 CHARA 44 Michael Studinger 44 NEOSSat 44 infrared spectrograph 44 YU# 44 Buehler Planetarium 44 GIOVE B 44 Starfire Optical Range 44 supernova SN 44 KamLAND 44 exo planet 44 constellation Eridanus 44 Mars Surveyor 44 RXTE 44 Spectrometer 44 EarthCARE 44 telescopic observations 44 Mount Stromlo Observatory 44 XMM Newton 44 Tropical Rainfall Measuring 44 Galileo satellites 44 Delta Cephei 44 SKA telescope 44 Ocean Salinity SMOS 44 Comet Holmes 44 SSRL 43 Geminga 43 NASA Cosmic Background 43 revolutionized astronomy 43 Rosette Nebula 43 SOLON Corporation 43 Cassini spacecraft 43 New Horizons spacecraft 43 constellations Cygnus 43 linear collider 43 Galileoscope 43 astronomers 43 VLBA 43 NSF TeraGrid 43 NASA Fermi Gamma 43 Carnegie Observatories 43 Methone 43 Submillimeter 43 Nasa Kepler 43 SkyFuel 43 HD# [005] 43 Martin Tomasko 43 Square Kilometre Array SKA 43 Yerkes Observatory 43 flyby spacecraft 43 SDSS telescope 43 Cygnus Lyra region 43 star Gliese 43 Mars Orbiter Camera 43 Explorer WISE 43 Jupiter moon Io 43 Astrobiology Institute 43 Orbiter LRO 43 Stratospheric Observatory 43 XMM Newton X ray 43 OrbView 3 43 orbiter lander 43 foreground galaxy 43 infrared imager 43 GOES satellites 43 Pancam 43 Long Term Ecological 43 Solar Dynamics 43 Imaging Spectrometer 43 Cosmic Background Explorer 43 sunspot cluster 43 visit http:/saturn.jpl.nasa.gov 43 Paranal Chile 43 ESA Envisat satellite 43 Jonathan Lunine 43 Climate Experiment 43 weak gravitational lensing 43 Kepler spacecraft 43 MESSENGER spacecraft 43 ESA Planck 43 defile Mauna Kea 43 Galaxy Evolution 43 wavelength infrared 43 Cloud Aerosol Lidar 43 submillimeter wavelengths 43 robotic rovers 43 microscopic imager 43 2MASS 43 ESA Envisat 43 Valles Marineris canyon 43 NASA Chandra 43 hyperspectral 43 retroreflector 43 neutron spectrometer 43 Jay Melosh 43 CloudSat 43 La Silla observatory 43 Clark refractor telescope 43 HD#b 43 constellation Centaurus 43 domed observatory 43 USGS Hawaiian Volcano 43 Mars Climate Sounder 43 DEPTHX 43 Greenbelt Md. manages 43 Mount Lemmon SkyCenter 43 Large Telescope 43 Kuiper belt object 43 orbiting telescopes 43 Kepler Mission 43 Observatory LIGO 43 optical microscope 43 Space Telescope 43 Digistar 43 synchrotron 43 Chazy Reef 43 Deep Impact flyby spacecraft 43 Mauna Kea volcano 43 orbiting Hubble telescope 43 Diviner instrument 43 exoplanetary 43 Diamond synchrotron 43 TMT Observatory 43 Gamma ray Large 43 infrared spectral 43 CBERS 2B 43 infrared ultraviolet 43 European XFEL 43 MicroFUN 43 Cassini flyby 43 Anisotropy Probe WMAP 43 SPIRE 43 Total Ozone Mapping 43 UAVSAR 43 Donald Johanson 43 Wilkinson Microwave Anisotropy Probe 43 meteor crater 43 constellation Andromeda 43 meter Keck telescope 43 constellation Aquarius 43 Alpha Particle 43 Infrared Array Camera 43 Ionosphere Center 43 ESA Herschel 43 ESA SMART 43 Mössbauer 43 LOFAR 43 Field Infrared Survey 43 Astrophysical 43 constellation Pegasus 43 NASA twin STEREO 43 ROSAT 43 X ray absorption spectroscopy 43 constellation Bootes 43 constellation Lyra 43 Source LCLS 43 Evolution Explorer 43 Saturn Cassini 43 lunar equator 43 HiRISE image 43 Cassini Huygens 43 gaseous planet 43 nicknamed Xena 43 shortwave infrared 43 neutron beams 43 Comet Hartley 2 42 Comet NEAT 42 Sojourner Rover 42 Cat Paw Nebula 42 concentrator photovoltaic 42 orbiting observatories 42 Smithsonian Astrophysical Observatory 42 Cedip 42 J# +# [002] 42 Epsilon Aurigae 42 laser altimeter 42 collider 42 X ray Observatory 42 ESA Integral 42 Heterodyne Instrument 42 distant galaxy 42 mu Arae 42 stratovolcano 42 NASA MESSENGER spacecraft 42 multiband imaging photometer 42 astronomy 42 telescopes atop Mauna 42 Libra constellation Vogt 42 domed lookout 42 orbiting gamma ray 42 Proxima Centauri 42 CDMS II 42 Synthetic Aperture Radar 42 NanoSIMS 42 astrometry 42 cosmic magnifying glass 42 gigapixel camera 42 CTIO 42 SOAR telescope 42 ESA Rosetta 42 Omega Centauri 42 Field Imager WFI 42 Soitec Concentrix 42 TrES 4 42 particle physics experiments 42 Orbiting Carbon Observatory OCO 42 Jeffrey Kargel 42 starshade 42 ESnet4 42 unmanned rover 42 starburst galaxy 42 NAOJ 42 interferometric 42 AB Aurigae 42 astronomical objects 42 Infrared Thermal Imaging Spectrometer 42 Long Baseline Array 42 SteelStacks campus 42 Explorer GALEX 42 mySKY 42 Wilkinson Microwave Probe 42 National Ignition Facility 42 submillimeter 42 steering wheel tilts 42 UVIS 42 Jupiter Icy Moons 42 ROCSAT 2 42 spectrographic 42 spacecraft 42 Epsilon Eridani 42 Ritchey Chretien 42 NASA Wilkinson Microwave 42 highly elliptical orbit 42 lensing galaxy 42 Crab Pulsar 42 Great Observatories 42 LRO spacecraft 42 Peter Jenniskens 42 Energy Stereoscopic 42 tubular skylight 42 DUSEL 42 Siding Spring 42 Relations Observatory STEREO 42 spectroscopic observations 42 Zeta Ophiuchi 42 Optical Telescope 42 microlensing events 42 cosmic cannibal 42 Astronomical Observatory 42 COROT 7b 42 barred spiral galaxy 42 meteorological satellites 42 moon Io 42 Alpha Magnetic Spectrometer 42 proto galaxies 42 Herschel SPIRE 42 parabolic antennas 42 CHIPSat 42 Active Galactic Nuclei 42 Earth Asteroid 42 Upsilon Andromedae b 42 Orbiting Carbon Observatory 42 star Fomalhaut 42 X ray telescope 42 David Wettergreen 42 NOAA GOES 42 APXS 42 Unirac 42 meter Keck telescopes 42 gamma ray telescopes 42 cinder cones 42 fulldome 42 Linac Coherent Light 42 optical microscopy 42 Red Rectangle 42 Hubble telescope 42 Globalstar constellation 42 ASTER 42 Borexino 42 Cassini Huygens spacecraft 42 CSIRO Parkes radio 42 Advanced Photon Source 42 Global Surveyor 42 Planck satellite 42 PlanetQuest 42 STSS Demo 42 Anisotropy Probe 42 Virgo Cluster 42 earthshine 42 luminous galaxies 42 Schmidt Cassegrain telescope 42 Large Hadron Collider LHC 42 Stardust spacecraft 42 orbiting Saturn 42 TanDEM X 42 SuperWASP 42 Deep Field HUDF 42 interferometric observations 42 Hubble Telescope 42 Advanced Spaceborne Thermal Emission 42 Andromeda galaxy 42 Penobscot Narrows Bridge 42 proton accelerator 42 microscopy technique 42 Deep Impact spacecraft 42 orbiting 42 geostationary satellite 42 gamma ray detectors 42 Mars Pathfinder lander 42 GRB #B 42 Terrestrial Planet Finder 42 ST5 42 DigitalGlobe WorldView 42 LI COR Biosciences 42 SNOLAB 42 electron accelerators 42 Super Kamiokande 42 CubeSat 42 AERONET 42 visible wavelengths 42 X ray beams 42 AB SCIEX QTRAP 42 optical wavelengths 42 STARLAB 42 N. Rathnasree 42 asteroid Itokawa 42 StarLab 42 Digitized Sky Survey 42 Auger Observatory 42 WISE mapped 42 particle detectors 41 volcanically active 41 NASA Mars Reconnaissance 41 XFEL 41 Aqua satellite 41 Planetary Lab 41 atop dormant volcano 41 Edwin Hubble 41 Sidewalk Astronomers 41 elliptical galaxy NGC 41 GJ #b [002] 41 Planetary Camera 2 41 HiRISE camera aboard 41 Jonathan T. Overpeck 41 Michal Lipson 41 BioServe Space Technologies 41 linac 41 Meenakshi Wadhwa 41 gamma ray observatories 41 Io Europa 41 colliders 41 distant supernovae 41 Boston Micromachines 41 constellation Cassiopeia 41 HESS telescopes 41 Spitzer infrared 41 Laboratory NSCL 41 vector supercomputer 41 Comet #P 41 velocity Planet Searcher 41 adaptive optics AO 41 NASA WMAP 41 Imaging Telescope Array 41 FORMOSAT 41 Dobsonian 41 Reflection Radiometer 41 multiwavelength 41 Andromeda Galaxy 41 Herschel Space Telescope 41 synchrotrons 41 NASA Landsat 41 asteroids orbiting 41 GroupSystems 41 Voyager probes 41 NICMOS 41 Giove B 41 waning gibbous 41 Aboard Endeavour 41 Mars orbiting spacecraft 41 MIT Haystack Observatory 41 megawatt MW photovoltaic 41 neutrino experiment 41 Area Telescope LAT 41 LHC accelerator 41 Spectroradiometer 41 Delia Milliron 41 http:/www.nasa.gov/cassini 41 SkyTrough TM 41 Alycia Weinberger 41 superlaser 41 Pluto Charon 41 Interferometric 41 Instrument OMI 41 Deep Impact probe 41 arcminutes 41 Pascua Lama 41 Comet #P/Churyumov-Gerasimenko 41 Cray supercomputer 41 Mercury flyby 41 Mogao 41 orbit GEO 41 Australian SKA Pathfinder 41 gamma ray telescope 41 Collider LHC 41 geoneutrinos 41 thermal infrared 41 Horizons spacecraft 41 ASKAP 41 Sencera 41 Cancri e 41 William Herschel Telescope 41 Spitzer Space Telescope 41 Orion Nebula 41 parabolic troughs 41 radiometers 41 Comet Halley 41 concentrated photovoltaic CPV 41 Helios 2B 41 NanoSail D 41 Alpha Magnetic Spectrometer particle 41 circumstellar disks 41 distant galaxies 41 Collider Detector 41 GJ #b [001] 41 spectroscopic measurements 41 Chang'eI 41 particle accelerators 41 HD# [002] 41 gravitational lens 41 Ritchey Chrétien 41 Charon Pluto 41 twin rovers 41 Astrophysics MOA 41 twin STEREO spacecraft 41 Infrared Astronomy SOFIA 41 Huachuca Astronomy Club 41 GeneSat 1 41 Andromeda Galaxy M# 41 Mission TRMM 41 GLAST telescope 41 NASA Kepler 41 quasars 41 Enceladus flybys 41 Resourcesat 41 High Flux Isotope 41 deformable mirrors 41 windshield wiper maneuver 41 Compact Reconnaissance Imaging Spectrometer 41 Nousek 41 Margaret Murnane 41 3MW wind turbines 41 Laser Interferometer Space 41 Servicing Mission 41 Curiosity rover 41 Electron Microscopy 41 Comet Lulin 41 Niwot Ridge 41 Selenological 41 imager 41 TruLaser 41 Microlensing Follow Up 41 LBT 41 NASA Far Ultraviolet 41 LORRI 41 UA Steward Observatory 41 Hellas Basin 41 MetOp 41 ASTRON 41 SWIFT J#.# 41 MTSAT 1R 41 CCLRC Rutherford Appleton 41 Lunar Exploration 41 Barry Barish 41 GPS IIR M 41 remote sensing satellite Resourcesat 41 Corona Australis 41 Lulin 41 GigaPan 41 Geostationary Operational Environmental 41 spacecraft orbiting 41 Japan Kibo laboratory 41 nanosatellite 41 NRG Solar 41 impactor 41 Rogier Windhorst 41 inhabitable planets 41 KAGUYA 41 particle accelerator 41 Infrared Imaging 41 synchrotron radiation 41 Uwe Bergmann 41 Perseus Cluster 41 NSLS 41 Hubble gyroscopes 41 Bandwidth Semiconductor 41 spaceborne 41 asteroids Ceres 41 Exoplanets 41 GOSAT 41 Antenna LISA 41 fissure eruption 41 Yinghuo 1 41 supernova explosion 41 Infrared Astronomy Satellite 40 Venusian surface 40 circumlunar satellite 40 dexterous robot 40 Kuiper belt objects 40 Hubbles 40 aboard ESA Envisat 40 SCISAT 40 Rare Isotope Beams 40 ultraviolet imaging spectrograph 40 Nevada Seismological Laboratory 40 Proba 2 40 parabolic antenna 40 field Infrared Survey 40 NASA ICESat 40 Titan flyby 40 Astrophysics Laboratory 40 Kepler observatory 40 Dynamics Observatory 40 Spire Semiconductor 40 Calar Alto 40 Arcosanti 40 GA6 40 GPS IIF 40 distant quasars 40 Observatory telescope 40 Hydrospheric 40 particle physics experiment 40 Outer Planets 40 La Silla Chile 40 Messenger spacecraft 40 Faulkes Telescope 40 Laser COIL 40 Jupiter Ganymede 40 Orion spacecraft 40 exoplanets orbiting 40 European Extremely Large 40 Omid Hope 40 polar mesospheric clouds 40 apses 40 aerial tramway