1HT 2dF 2MAS 3,5m-Telescope 3,6mTelescope 300Foottelescope(Green Bank) ABRIXAS ACCESS ACE ADEOS ADEOS 2 AGAPE AGASA AGILE AIGO Ajisai Aladdin ALEXIS ALMA ALOS AMANDA AMM AMPTE AMS Antares Antu APEX Apollo Arecibo ARGOS ARGOS/EUVIP ARGOS/USA Argus Ariel V Ariel VI ARISE Astro-1 Astro-2 Astro-B Astro-C Astro-D Astro-E Astron AT ATCA Auger Auger Auroral Probe AXAF Baikal Baksan Basis Basis Batse Bbxrt BepiColombo BeppoSAX Beta Big Ear Bima Blanco Telescope Bolt Boomerang Borex Boss Boulby Mine Bta Cangaroo Carlina Casa Cassini Cat Cat Catsat Cbi Cce Cdms Celeste Cfht Cgro Champollion Chara Array CHIPSat Clementine CloudSat Cluster Cluster II Coast Cobe Cobras Comptel Constellation-X Contour Copernicus Copernicus/MSSL Coronas Coronas-F Coronas-I COROT COS-B CRESST Crossley Reflector CRRES CryoSat CXO DAMA Darwin DASI DE-1 & 2 Decimetric Radiotelescope Deep Impact DIVA DIVA DOT DS-1 DS-2 DS-3 DS-4 Dunn Telescope DXS EED EEI Effelsberg EGRET EGS Einstein Einsteinturm ELT Envisat-1 Equator-S EROS I EROS II ERTS ETA EUNEASO Europa Orbiter EUVE EUVIP EVN EXIST EXOSAT FAME FAST FAST FIRST FUSE Fuyo-1 GAIA GAIA GALEX Galileo GALLEX GBT Gemini Genesis Geo600 Geotail GGNT GGS-Wind Ginga Giotto GLAST GMRT GMS 1-5 GNO GOCE Goldstone GP-B GRACE GRAIL GRANAT Großer Refraktor GTC HALCA Hale Telescope HASS HEAO-1 HEAO-2 HEAO-3 HEAT HEGRA HESS HET HETE HETE-2 HHT Himawari Hipparcos HiRes Homestake HRMS HST HTXS HUT Huygens HXRT ICE ICESat IEH-3 Ikonos ILMT IMAGE IMEX IMP-8 INSIDE Jupiter Integral Interball INTERMARSNET IOTA IRAM 30m Telescope IRAM Interferometer IRAS IRM IRSI IRS-P3 IRS-P4 IRS-P4 IRTF IRTS ISEE 1-3 ISO ISP ISS IUE Janus Pathfinder Jason-1 JAWSAT JCMT JERS-1 KAIT KamLAND KASCADE Keck Kepler KM3 KOSMA Kueyen Landsat 1-6 Landsat-7 LAXSM LBT LEGRI Leighton Telescope LET Leviathan Lick Refractor LIGO LINEAR LISA LMSA LMT LONEOS Lovell Telescope LSA Luna Lunar Prospector Lunar-A LunarSat MACHO MagCon Magellan Magellan MAGIC Telescope Magion-3 Magion-4 Magion-5 MAP Mariner 10 Mariner 2 Mariner 4 Mariner 5 Mariner 6 & 7 Mariner 9 Mars 2001 Mars 98 Lander Mars 98 Orbiter Mars Express Mars Microprobe Mars Observer Mars Pathfinder MAT MAXAT MAXIM Mayall Telescope McMath Solar Telescope MCO Melipal MERLIN MESSENGER META META II MGS Milagro MiniSTEP MMA MMA MMT MOA Mopra MORO MOS MPL MPS MRT MUSES-B MUSES-C Nassau Station NEAP NEAR NEAT NESTOR Newton NGSS NGST NGXO NGXO NMA NMI Nobeyama NODO Nozomi NTLAM NTT OAO 3 OAO 3/MSSL Ocean Topographic Experiment OCEANSAT ODAS Odin OGLE OLT ORFEUS ORT OSETI OSO 1-8 OSSE OVLA OVRO Millimeter Array OWL OWL P78-1 Parkes PdBI Phoenix Photon PI PICASSO-CENA PICASSO-CENA Pico Veleta 30m Telescope Pioneer 10 Pioneer 11 Pioneer Venus Planck PLANET Planet-B Pluto-Kuiper Express POINTS Polar Prognoz Python QuikScat RadioAstron RAND Ranger 1 - 9 RATAN-600 RICE ROSAT Rosetta Rosse Telescope ROTSE RXTE SAGE Sakigake SALT SAMBA SAMPEX SAS-1 SAS-2 SAS-3 SDSS SERENDIP SEST SETI SETI at Jodrell SETI@home SIM SIRTF SKA Skylab SMA SMART-1 SMM SMT SNO SNOE SOFIA SOHO Solar Orbiter Solar Probe Solar-B Solar-Net Spacewatch SPECS Spica SRTM ST-3 ST-4 STACEE Stardust STARS STEP Stereo Subaru Suisei Super-Kamiokande Surveyor 1 - 7 SVST SWAS Swift SWIFT Swiss Telescope SXG SXT TA Tail TAMA TASS TBE Tenma Terra TERRIERS TIMED TOPEX/Poseidon TPF TRACE TrailBlazer Triana TRMM TWINS UARS    

OneHectareTelescope TwoDegreeGalaxyRedshiftSurvex S TwoMicronAllSkySurvey CalarAlto3,5m-Telescope 3,6mTelescope(ESO) 300Foottelescope(Green Bank) A Broad Band Imaging X-Ray All-Sky Survey Advanced Cosmic-ray Composition Experiment for the Space Station Advanced Composition Explorer Advanced Earth Observing Satellite Advanced Earth Observing Satellite 2 Andromeda Galaxy and Amplified Pixels Experiment Akeno Giant Air Shower Array Astro-rivelatore Gamma a Immagini Leggero Australian International Gravitational Observatory Ajisai Aladdin Array of Low Energy X-ray Imaging Sensors Atacama Large Millimeter Array Advanced Land Observing Satellite Antarctic Muon and Neutrino Detector Auroral Multiscale Midex Active Magnetospheric Particle Tracer Explorers Alpha Magnetic Spectrometer Astronomy with a Neutrino Telescope and Abyss environmental Research Antu Telescope Active Plasma Experiments Apollo Arecibo Radio Telescope Advanced Research and Global Observation Satellite Advanced Research and Global Observation Satellite/Extreme Ultraviolet Imaging Photometer Advanced Research and Global Observation Satellite/Unconventional Stellar Aspect Argus Telescope Ariel V Ariel VI Advanced Radio Interferometry between Space and Earth Astro-1 Astro-2 Astro-B Astro-C Astro-D Astro-E Astron Australia Telescope Australia Telescope Compact Array Pierre Auger Project Auger Observatory Auroral Probe Advanced X-Ray Astrophysics Facility Deep Underwater Stationary Neutrino Telescopes at Lake Baikal Baksan Neutrino Observatory Burst Arcsecond Imaging and Spectroscopy Burst and All Sky Imaging Survey Burst and Transient Source Experiment Broad Band X-ray Telescope BepiColombo Satellite per Astronomia X "Beppo" Billion Channel Extra Terrestrial Array Big Ear Radio Telescope Berkeley Illinois Maryland Association Victor M. Blanco Telescope Broadband Observatory for the Localization of Transients Balloon Observations of Millimetric Extragalactic Radiation and Geophysics Borexino Big Occulting Steerable Satellite Boulby Mine Bolshoi Teleskop Azimutalnyi Collaboration of Australia and Nippon for a GAmma Ray Observatory in the Outback CARLINA Chicago Air Shower Array Cassini Cosmic Anisotropy Telescope Cherenkov Array at Themis Cooperative Astrophysical and Technology SATellite Cosmic Background Imager Charge Composition Explorer Cryonic Dark Matter Search Cerenkov Low Energy Sampling and Timing Experiment Canada-France-Hawaii Telescope Compton Gamma Ray Observatory Champollion Center for High Angular Resolution Astronomy Array Cosmic Hot Interstellar Plasma Spectrometer Satellite Clementine CloudSat Cluster Cluster II Cambridge Optical Aperture Synthesis Telescope Cosmic Background Observer Cosmic Background Radiation Anisotropy Satellite Imaging Compton Telescope Constellation X-ray Mission Comet Nucleus Tour Copernicus Copernicus/MSSL experiment Complex Orbital Near-Earth Observations of the Solar Activity Coronas-F Coronas-I COROT COS-B Cryonic Rare Event Search with Superconducting Thermometers Crossley 36-inch Reflector Combined Release and Radiation Effects Satellite CryoSat Chandra X-Ray Observatory DArk MAtter Darwin Degree Angular Scale Interferometer Dynamics Explorer 1 & 2 Nancay Decimetric Radiotelescope Deep Impact Double Interferometer for Visual Astrometry Deutsches Interferometer für Vielkanalphotometrie und Astrometrie Dutch Open Telescope Deep Space 1 Deep Space 2 Deep Space 3 Deep Space 4 Richard B. Dunn Solar Telescope Diffuse X-Ray Spectrometer Exo-Earth Discoverer Exo-Earth Imager Effelsberg 100m Radioteleskop Energetic Gamma Ray Experiment Telescope Experimental Geodetic Satellite Einstein Einsteinturm Extremely Large Telescope Envisat-1 Equator-S Experience pour la Recherche d'Objets sombres I Experience pour la Recherche d'Objets sombres II Earth Resources Technology Satellites Energetic Transient Array EUropean Near-Earth Asteroids Search Observatories Europa Orbiter Extreme Ultraviolet Explorer Extreme Ultraviolet Imaging Photometer European VLBI Network Energetic X-ray Imaging Survey Telescope European X-ray Observatory Satellite Full-sky Astrometric Mapping Explorer FAST Fast Auroral Snapshot Explorer Far Infra-Red and Submillimetre Telescope Far Ultraviolet Spectroscopic Explorer Fuyo-1 Global Astrometric Interferometer for Astrophysics Galactic Census Project Galaxy Evolution Explorer Galileo Gallium Experiment Green Bank Telescope Gemini Telescopes Genesis Geo600 Geotail Gallium Germanium Neutrino Telescope Global Geospace Science satellite Wind Ginga Giotto Gamma Ray Large Area Space Telescope Giant Meterwave Radio Telescope Geostationary Meteorological Satellites 1-5 Gallium Neutrino Observatory Gravity Field and Steady-State Ocean Circulation Explorer Goldstone Antenna Gravity Probe B Gravity Recovery and Climate Experiment Gravity Radiation Antenna in Leyden GRANAT Großer Refraktor Gran Telescopio Canarias HALCA Hale Telescope H-Alpha Sky Survey High Energy Astrophysical Observatory 1 High Energy Astrophysical Observatory 2 High Energy Astrophysical Observatory 3 High Energy Antimatter Telescope High Energy Gamma Ray Astronomy High Energy Stereoscopic System Hobby Eberly Telescope High Energy Transient Explorer High Energy Transient Explorer 2 Heinrich Hertz Submillimeter Telescope Himawari 1-4 Hipparcos Space Astrometry Mission High Resolution Fly's Eye Cosmic Ray Detector Homestake Chlorine Solar Neutrino Experiment High Resolution Microwave Survey Hubble Space Telescope High Troughput X-ray Spectroscopy Mission Hopkins Ultraviolet Telescope Huygens Hard X-ray Telescope International Comet Explorer Ice, Cloud and land Elevation Satellite International Extrem Ultraviolet Hitchhiker 3 Ikonos International Liquid Mirror Telescope Imager for Magnetopause-to-Aurora Global Exploration Inner Magnetosphere Explorer Interplanetary Monitoring Platform 8 Interior Structure and Internal Dynamical Evolution of Jupiter International Gamma-Ray Astrophysics Laboratory Interball INTERMARSNET Infrared Optical Telescope Array IRAM 30m Telescope IRAM Interferometer InfraRed Astronomical Satellite Ion Release Modul InfraRed Space Interferometry Mission Indian Remote Sensing Satellite P3 IRS-P4 Indian Remote Sensing Satellite P4 InfraRed Telescope Facility Infrared Telescope in Space International Sun-Earth Explorer 1-3 Infrared Space Observatory Interstellar Probe Ionosphere Sounding Satellites International Ultraviolet Explorer Janus Pathfinder Jason-1 Joint Air Force-Weber State College Satellite James Clerk Maxwell Telescope Japanese Earth Resources Satellite Katzman Automatic Imaging Telescope Kamioka Liquid scintillator Anti-Neutrino Detector Karlsruhe Shower Core and Array Detector Keck Telescopes Kepler km^3 High Energy Neutrino Telescope Kölner Observatorium für Submillimeter Astronomie Kueyen Telescope Landsat 1-6 Landsat-7 Large Area X-ray Spectroscopy Mission Large Binocular Telescope Low Energy Gamma-Ray Imager Leighton Telescope Leonard Euler Telescope Leviathan of Parsonstown Lick Refractor Laser Interferometer Gravitational-Wave Observatory Lincoln Near Earth Asteroid Research Laser Interferometer Space Antenna Large Millimeter and Submillimeter Array Large Millimeter Telescope Lowell Observatory Near-Earth Object Search Lovell Telescope Large Southern Array Luna 1-24 Lunar Prospector Lunar-A LunarSat MAssive Compact Halo Objects Magnetospheric Constellation Magellan Telescope Magellan Mayor Atmospheric Gamma-ray Imaging Cherenkov Telescope Magion-3 Magion-4 Magion-5 Microwave Anisotropy Probe Mariner 10 Mariner 2 Mariner 4 Mariner 5 Mariner 6 & 7 Mariner 9 Mars Surveyor 2001 Mars Surveyor 98 Lander Mars Surveyor 98 Orbiter Mars Express Mars Microprobe Project Mars Observer Mars Pathfinder Microwave Anisotropy Telescope Maximum Aperture Telescope Micro Arcsecond X-ray Imaging Mission Mayall 4m Telescope McMath-Pierce Solar Telescope Mars Climate Orbiter Melipal Telescope Multi-Element Radio Linked Interferometer Network Mercury Surface, Space Environment, Geochemistry and Ranging Mission Megachannel Extra Terrestrial Array Megachannel Extra Terrestrial Array II Mars Global Surveyor Milagro Mini Satellite Test of the Equivalence Principle Caltech Millimeter Array Millimeter Array Multiple Mirror Telescope Microlensing Observations in Astrophysics Mopra Antenna Moon Orbiting Observatory Marine Observation Satellites Mars Polar Lander Microlensing Planet Search Mauritius Radio Telescope MUSES-B MUSES-C Nassau Station Robotic Telescope Near Earth Asteroid Prospector Near Earth Asteroid Rendezvous Near Earth Asteroid Tracking NESTOR Newton Next Generation Sky Survey Next Generation Space Telescope Next Generation Imaging X-ray Observatory Next Generation X-ray Observatory Nobeyama Millimeter Array New Millennium Interferometer Nobeyama 45m Telescope NASA Orbital Debris Observatory Nozomi New Technology Lunar Astronomy Mission New Technology Telescope Orbiting Astronomical Observatory 3 Orbiting Astronomical Observatory 3/MSSL Ocean Topographic Experiment OCEANSAT OCA-DLR Asteroid Survey Odin Optical Gravitational Lensing Experiment Oskar-Lühning-Teleskop Orbiting and Retrievable Far and Extreme Ultraviolet Spectrograph Ooty Radio Telescope Optical Search for Extraterrestrial Intelligence Orbiting Solar Observatories 1-8 Oriented Scintillation Spectrometer Experiment Optical Very Large Array Owens Valley Radio Observatory Millimeter Array Overwhelmingly Large Orbiting Wide-Angle Light Collectors P78-1 Parkes Observatory 64m Telescope Plateau de Bure Interferometer Project Phoenix Photon Planet Imager Climatologie Etendue des Nuages et des Aerosols Pathfinder Instruments for Cloud and Aerosol Spaceborne Observations Pico Veleta 30m Telescope Pioneer 10 Pioneer 11 Pioneer Venus Planck Probing Lensing Anomalies NETwork Planet-B Pluto-Kuiper Express Precision Optical Interferometer in Space Polar Prognoz 6, 7 & 9 Python Telescope Quick Scatterometer RadioAstron Radio Array Neutrino Detector Ranger 1 - 9 RATAN-600 Radio Ice Cerenkov Experiment Roentgen Satellite Rosetta Rosse Telescope Robotic Optical Transient Search Experiment Rossi X-ray Timing Explorer Soviet American Gallium Experiment Sakigake South African Large Telescope Satellite for Measurement of Background Anisotropies Solar Anomalous and Magnetospheric Particle Explorer Small Astronomy Satellite 1 Small Astronomy Satellite 2 Small Astronomy Satellite 3 Sloan Digital Sky Survey Search for Extraterrestrial Radio Emissions from Nearby Developed Intelligent Populations Swedish-ESO Submillimeter Telescope Search for Extraterrestrial Intelligence SETI at Jodrell Bank Search for Extraterrestrial Intelligence at Home Space Interferometer Mission Space Infrared Telescope Facility Square Kilometer Array Skylab Submillimeter Array Small Missions for Advanced Research in Technology 1 Solar Maximum Mission Submillimeter Telescope Sudbury Neutrino Observatory Student Nitric Oxide Explorer Stratospheric Observatory for Infrared Astronomy Solar and Heliospheric Observatory Solar Orbiter Solar Probe Solar-B Solar-Net Spacewatch Submillimeter Probe of the Evolution of Cosmic Structure Spica Shuttle Radar Topography Mission Space Technology 3 Space Technology 4 Solar Tower Atmospheric Cherenkov Effect Experiment Stardust STARS Satellite Test of the Equivalence Principle Stereo Subaru Telescope Suisei Super-Kamiokande Surveyor 1 - 7 Swedish Vacuum Solar Telescope Submillimeter Wave Astronomy Satellite Swift Gamma Ray Burst Explorer Southern Wide Field Telescope Swiss 1,2 m Telescope Spectrum-X-Gamma Soft X-ray Telescope Telescope Array Tail Probe TAMA The Amateur Sky Survey Titan Biologic Explorer Tenma Terra Tomographic Experiment using Radiative Recombinative Ionospheric EUV and Radio Sources Thermosphere Ionosphere Mesosphere Energetics Dynamics TOPEX/Poseidon Terrestrial Planet Finder Transition Region And Coronal Explorer TrailBlazer Triana Tropical Rainfall Measuring Mission Two Wide-angle Imaging Neutral-atom Spectrometers Upper Atmosphere Research Satellite