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(Click for frequent words.) 73 Observatory 72 telescope 67 observatories 66 astronomical observatory 65 telescopes 63 planetarium 62 astronomy 61 inch refractor telescope 60 Kitt Peak 60 optical telescope 59 Palomar Observatory 59 astronomical observatories 59 astronomer 58 Observatories 58 Large Binocular Telescope 57 Lick Observatory 57 orbiting telescope 57 SkyCenter 57 orbiting Hubble Space Telescope 57 optical infrared telescope 56 radiotelescope 56 stargazer 56 Steward Observatory 56 Solar Observatory 56 astronomers 56 Astronomy 56 Keck Observatory 56 Observatory SDO 56 inch refracting telescope 55 Array ALMA 55 Laser Interferometer Gravitational Wave 55 robotic telescopes 55 volcano observatory 55 Astronomical Observatory 55 refracting telescope 55 Telescope 54 observatory telescope 54 Pan STARRS 54 optical telescopes 54 Las Campanas Observatory 54 Pan STARRS telescope 54 interplanetary spacecraft 54 infrared telescopes 54 Scott Kardel 53 UC Observatories Lick 53 Arecibo telescope 53 Flandrau 53 Keck telescopes 53 Arecibo Observatory 53 Telescope LSST 53 Cerro Pachón 53 ESO Paranal Observatory 53 Cerro Tololo 53 Cerro Paranal 53 skywatching 53 Sidewalk Astronomers 53 Paranal 53 Hubble 52 Planetarium 52 infrared telescope 52 amateur astronomer 52 astronomy observatory 52 Kitt Peak National 52 Hawaiian Volcano Observatory 52 atop Mauna Kea 52 amateur astronomers 52 MMT Observatory 52 orbiting 52 Keck Telescopes 52 astronomical telescope 52 EarthScope 52 astronomy buff 52 UCO Lick 52 Ellery Hale 52 exoplanetary 51 Zeiss projector 51 Kitt Peak Observatory 51 Atacama Large Millimeter Array 51 Jaggar Museum 51 USGS Hawaiian Volcano 51 Solar Dynamics Observatory 51 Tidbinbilla 51 infrared astronomy 51 StarDate 51 Large Synoptic Survey 51 astronomical telescopes 51 ESO VLT 51 Observatory STEREO 51 Arecibo radio 51 neutrino detector 51 Cerro Pachon 51 Lowell Observatory 50 Samuel Oschin Telescope 50 LROC 50 Flandrau Science Center 50 twin Keck telescopes 50 Keck Telescope 50 WM Keck Observatory 50 Halemaumau 50 planetary Transits 50 portable planetarium 50 X ray telescopes 50 Stardome Observatory 50 Hubble Space Telescope 50 N. Rathnasree 50 celestial observations 50 Lovell Telescope 50 Herschel Space 50 Observatory NOAO 50 Southern Observatory ESO 50 UKIRT 50 Dan Buhl Planetarium 50 Griffith Observatory 50 Comet Lulin 50 ATST 50 ultraviolet spectrograph 50 SIRTF 50 Submillimeter Array 50 infrared observatory 50 inch Samuel Oschin 50 Fermi telescope 50 X ray telescope 50 Earthscope 50 orbiting observatory 50 inch refractor 49 orbiting gamma ray 49 USArray 49 IceCube 49 Keck telescope 49 Jurasevich 49 Spacewatch 49 Observatory LIGO 49 SOAR telescope 49 Jodrell Bank 49 Chajnantor plateau 49 NOAO 49 astrometry 49 Chilean Atacama Desert 49 LIGO 49 RAS Observatory 49 astrophysicist 49 Amateur astronomers 49 X ray observatory 49 Quadrantid meteor shower 49 Observatory astronomer 49 Pasachoff 49 Carnegie Observatories 49 Planck satellite 49 Hubble telescope 49 seismometer 49 Whipple Observatory 49 e MERLIN 49 meter Keck telescopes 49 Manchester Jodrell Bank 48 Buehler Planetarium 48 Gemini telescopes 48 Hawaii Mauna Kea 48 satellites 48 interferometer 48 Mount Stromlo Observatory 48 Lunar Reconnaissance Orbiter LRO 48 HiRISE 48 WISE infrared 48 HiRISE camera 48 inch Schmidt Cassegrain 48 Nasa Kepler 48 Jodrell Bank Observatory 48 Hubble Space Telescope HST 48 microlensing 48 Fleischmann Planetarium 48 Earth orbiting satellites 48 Spaceweather.com 48 inflatable planetarium 48 astrophysical phenomena 48 comet Hale Bopp 48 Telescope Array 48 LOFAR 48 STScI 48 Nasa spacecraft 48 defile Mauna Kea 48 Quadrantids 48 USGS Cascades Volcano 48 THEMIS satellites 48 STEREO mission 48 robotic rovers 48 Sommers Bausch Observatory 48 NuSTAR 48 planetarium projector 48 Geological Survey Cascades Volcanic 48 ROCSAT 2 48 Large Binocular Telescope LBT 48 eruptive activity 48 Solar Terrestrial Relations 48 seismographs 48 spacecraft 48 Yerkes Observatory 48 aperture telescope 48 Amateur Astronomers 48 LSST 48 SKA telescope 48 hubble 48 NASA CloudSat 48 Astro E2 48 domed observatory 48 National Astronomical Observatories 48 Thirty Meter Telescope 48 astronomical observations 48 Paranal Observatory 47 particle detector 47 Cerro Armazones 47 gamma ray observatory 47 NASA THEMIS 47 airborne observatory 47 ESO La Silla 47 unmanned spacecraft 47 telescopic observations 47 NRAO 47 Comet Halley 47 E ELT 47 Rosetta orbiter 47 CALIPSO 47 Roden Crater 47 ESA Envisat 47 Plate Boundary 47 Faulkes Telescope 47 Space Physics 47 meteor crater 47 Geophysical Institute 47 Kepler spacecraft 47 Telescopes 47 ESA Planck 47 COROT 47 Hobby Eberly telescope 47 gravitational wave 47 Landsat satellite 47 Epsilon Aurigae 47 hexagonal mirrors 47 gamma ray telescope 47 La Silla Observatory 47 Exploratorium 47 James Fanson 47 Michibiki 47 Slooh 47 seismological observatory 47 satellites orbiting Earth 47 Very Large Array 47 lighthouse 47 Explorer WISE 47 MIT Haystack Observatory 47 Canary Telescope 47 orbital observatory 47 rocky extrasolar planet 47 Gemini Telescope 47 Mauna Loa Observatory 47 astronomy buffs 47 Solar TErrestrial RElations Observatory 47 CloudSat 47 Hobby Eberly 47 Seismicity remains 47 detect gravitational waves 47 Galileo telescope 47 HARPS instrument 47 NASA Far Ultraviolet 47 gaseous planet 47 Astronomer 47 microshutters 47 telescope atop Mauna 46 Astronomy Observatory 46 Infrared Telescope Facility 46 observational astronomy 46 NASA STEREO 46 twin Voyager spacecraft 46 Dobsonian telescope 46 ENVISAT 46 Project Ozma 46 Cryosat 46 orbiting satellites 46 Polarimetry 46 Deep Impact flyby spacecraft 46 Interferometer VLTI 46 ESA XMM Newton 46 comet Lulin 46 Las Cumbres Observatory 46 Atacama Large Millimeter submillimeter 46 Delta Cephei 46 Kunlun Station 46 Cancri e 46 stargazers 46 Valles Marineris canyon 46 Planetary Science Institute 46 Telescope BAT 46 Earth Observing 46 Observatory telescope 46 Mont Mégantic 46 exoplanet hunter 46 exo planet 46 Lulin 46 orbiting Chandra 46 XMM Newton 46 NASA Stratospheric Observatory 46 Space Telescope 46 RXTE 46 planetarium dome 46 arboretum 46 cupola 46 Anisotropy Probe WMAP 46 Auger Observatory 46 Cosmic Origins Spectrograph 46 Baboquivari Peak 46 Montserrat Volcano Observatory 46 steerable radio 46 StarLab 46 Olympus Mons 46 IfA 46 spaceborne 46 La Silla observatory 46 Mauna Loa volcano 46 Astrophysical Research 46 adaptive optics 46 Werthimer 46 SOHO spacecraft 46 planetary astronomer 46 Umar Rosadi 46 JWST 46 Convection Rotation 46 GALEX 46 Pisgah Astronomical Research 46 ASKAP 46 Penobscot Narrows Bridge 46 Cassegrain telescope 46 VIRTIS 46 Comet #P 46 Herschel telescope 46 Arecibo radar 46 gamma ray detectors 46 NASAs 45 Large Telescope 45 Dominion Astrophysical Observatory 45 Chamberlin Observatory 45 moon Io 45 SpaceWeather.com 45 astronomer Johannes Kepler 45 Chicago Adler Planetarium 45 meteor shower 45 Lyrids 45 orbiting spacecraft 45 Shri Kulkarni 45 ESO Very Large Telescope 45 ATLAS detector 45 origins spectrograph 45 Hobby Eberly Telescope 45 seismometers 45 exo planets 45 AKARI 45 Wilkinson Microwave Anisotropy Probe 45 Ultraviolet Optical Telescope 45 orbiting Saturn 45 Suzaku X ray 45 Rathnashree 45 museum 45 STEREO spacecraft 45 High Angular Resolution 45 Cosmic Background Explorer 45 Large Telescope Salt 45 Hubble Telescope 45 orbiting telescopes 45 seismology 45 CAPE CANAVERAL Astronauts 45 Envisat 45 auroral displays 45 Very Large Telescope 45 ESO telescope 45 observation deck 45 CoRoT satellite 45 Wolszczan 45 stratovolcano 45 Michael Studinger 45 Comet Machholz 45 Orbiter MRO 45 AERONET 45 Shanghai Astronomical Observatory 45 Eta Aquarids 45 HD#b 45 atop dormant volcano 45 Advanced LIGO 45 amateur skywatchers 45 VLBA 45 planetary scientist 45 Infrared Pathfinder Satellite 45 tsunamis recur 45 MN4 45 binocular telescope 45 Lulin Observatory 45 Astrophysics Laboratory 45 Rosaly Lopes 45 Pierre Auger Observatory 45 perigee moon 45 theoretical astrophysics 45 Imiloa 45 star gazers 45 Nehru Planetarium 45 Alaska Fairbanks Geophysical 45 wraparound veranda 45 http:/media#.washingtonpost.com/wp-dyn/content/phDoktor Haze 45 Mars Color Imager 45 GOSAT 45 Herschel Planck 45 ionospheric 45 meteorological satellites 45 Evolution Explorer 45 RHESSI 45 Cupola 45 Terrestrial Planet Finder 45 Comet NEAT 45 Gran Telescopio Canarias 45 celestial objects 45 imaging spectrometer 45 Magellan telescopes 45 BepiColombo 45 Spaceguard 44 SETI 44 IYA# 44 constellations Cygnus 44 Toutatis 44 slender crescent 44 Mount Lemmon SkyCenter 44 Subaru Telescope 44 atom smasher 44 radar altimetry 44 Radio Astronomy Observatory 44 steering wheel tilts 44 earthshine 44 Chang'eI 44 Pulag 44 Red Rectangle 44 Imiloa Astronomy Center 44 Kepler Mission 44 William Herschel Telescope 44 astronomical phenomena 44 Ritchey Chrétien 44 Mogao 44 Chajnantor 44 radiometers 44 GJ #b [002] 44 Ted Molczan 44 twin STEREO spacecraft 44 HIAPER 44 Smithsonian Astrophysical Observatory 44 Doppler radars 44 ESA Integral 44 Fomalhaut b 44 Voyager spacecraft 44 Saturn Cassini 44 Earth Asteroid 44 Methone 44 Spaceguard Survey 44 Mauna Kea 44 Galileo spacecraft 44 astronomical objects 44 WMAP satellite 44 DEIMOS 44 Upsilon Andromedae 44 galaxy M# [001] 44 Fermi Gamma ray 44 Shasta Bally 44 Extremely Large Telescope 44 Roque de los 44 Saturnian moon Titan 44 seismograph stations 44 sundials 44 volcanology 44 Mont Megantic 44 Large Telescope SALT 44 nanosatellite 44 New Horizons spacecraft 44 satellites orbiting 44 Jim Kauahikaua 44 Compton Gamma Ray 44 Orionids 44 HiRISE camera aboard 44 Perseid meteor shower 44 Goonhilly 44 Kepler telescope 44 Geminga 44 Pleiades cluster 44 Mars Surveyor 44 aurora 44 ESA Herschel 44 Cassini imaging 44 Schmidt Cassegrain telescope 44 Astronomical Society 44 orbital laboratory 44 satellite 44 rover panoramic 44 WFC3 44 infrared spectrograph 44 Leonid meteor shower 44 HPWREN 44 Corot 7b 44 extinct volcano 44 heliophysics 44 cinder cone 44 skywatcher 44 Hubbles 44 NASA Infrared Telescope 44 Astrophysics 44 Planetary Transits 44 Comet Holmes 44 extrasolar planet 44 SCISAT 44 reflector telescope 44 Galilean satellites 44 submillimetre 44 infrared mapping spectrometer 44 Gravity Probe B 44 meter Keck telescope 44 FORCAST 44 Jay Melosh 44 Grote Reber 44 cosmic microwave radiation 44 Thermal Emission Spectrometer 44 astronomer mathematician 44 FORMOSAT 44 cryo electron microscope 44 TSN PZ camera 44 VISTA telescope 44 Orbiting Solar 44 Jim Kauahikaua scientist 44 spectrographs 44 unmanned lunar orbiter 44 Leonid meteor showers 44 Gemini Observatory 44 Subaru telescope 44 Space Agency 44 powerful atom smasher 44 Curiosity rover 44 ROSAT 44 raptor migration 44 ICESat 44 astronomer Percival Lowell 44 Ulysses spacecraft 44 Hinode 44 Chris Lintott 44 Lyrid meteor shower 44 Yinghuo 1 44 occultations 44 APXS 44 Ionosphere Center 44 Nasa Ames 44 Christa McAuliffe Planetarium 44 WIYN telescope 43 Burst Alert 43 Observatory LDEO 43 Tropical Rainfall Measuring 43 MARSIS radar 43 Kuiper belt objects 43 orbiting observatories 43 X ray observatories 43 sunspot cluster 43 Arizona Steward Observatory 43 located atop Mauna 43 ESO telescopes 43 geostationary satellite 43 Hubble Space 43 Muchachos Observatory 43 CubeSat 43 Giant Magellan Telescope 43 TrES 4 43 Taurids 43 Paranal Chile 43 Heceta Head Lighthouse 43 Mauna Kea Hawaii 43 Martian rovers 43 NAOJ 43 Helios 2B 43 Leonids meteor shower 43 Planetary Society 43 Planetary Lab 43 Stargazing Live 43 Orbiter LRO 43 NanoSail D 43 Observatory La Silla 43 lava tubes 43 lunar orbits 43 particle physics experiments 43 Dzurisin 43 Applied Physics Laboratory 43 revolutionized astronomy 43 tide gauges 43 celestial phenomenon 43 SSETI Express 43 Heliospheric Observatory SOHO 43 inhabitable planets 43 Fra Mauro 43 GeneSat 1 43 NASA Orbiting Carbon 43 Sara Seager 43 Klumpar 43 Faulkes Telescope Project 43 celestial object 43 polar orbiting 43 Upsilon Andromedae b 43 particle detectors 43 Bramley Murton 43 Digitized Sky Survey 43 CU Boulder Laboratory 43 Optical Gravitational Lensing Experiment 43 Sakurajima 43 Perseids Meteor Shower 43 astrometric 43 Schawinski 43 APEX telescope 43 PHIVOLCS 43 meteor showers 43 Allen Telescope Array 43 Marsis 43 Syrtis Major 43 Libra constellation Vogt 43 telescopes atop Mauna 43 Astrophysical Institute 43 Martin Gutoski 43 Anisotropy Probe 43 constellations planets 43 Francis Halzen 43 CFHT 43 extrasolar 43 flyby Cassini 43 Orionid meteor shower 43 atop Haleakala 43 Starlab 43 Rolf Kudritzki 43 Nasa 43 microwave radiometer 43 skywatchers 43 Astronomy buffs 43 Calar Alto 43 Jupiter Icy Moons Orbiter 43 Rassvet 43 Earthlike planets 43 astrophysical 43 Volcano Observatory 43 Mars Opportunity rover 43 MTSAT 1R 43 Jupiter moon Io 43 GJ#b 43 scatterometer 43 Aqua satellite 43 Frick radioed 43 Dan Werthimer 43 Science Popularisation Association 43 SCIAMACHY 43 extrasolar planets 43 orbiter 43 Fels Planetarium 43 Faint Object 43 constellation Carina 43 HIRES spectrometer 43 Geminid 43 constellation Eridanus 43 McMurdo Station Antarctica 43 QuikSCAT 43 Lamont Doherty 43 cosmic cannibal 43 cosmic ray 43 PlanetQuest 43 Rosetta lander 43 ExoMars mission 43 Solar Orbiter 43 lunar equator 43 Dynamics Observatory 43 SNOLAB 43 Jet Propulsion Laboratory 43 Bill Borucki Kepler 43 Orbiting Carbon Observatory OCO 43 Kilauea Visitor Center 43 Chilbolton 43 Horizons spacecraft 43 neutrino experiment 43 XMM Newton X ray 43 neutrino telescope 43 heavily instrumented 43 rare wekiu bug 43 Jodrell Bank observatory 43 CubeSats 43 Arsia Mons 43 Titan flyby 43 Astronomical 43 hydrogen maser 43 spokesman Scott Kardel 43 Octagon Earthworks 43 Niwot Ridge 43 ESA Rosetta 43 Ny Alesund 43 asteroids orbiting 43 IBEX spacecraft 42 National Optical Astronomy 42 spiral galaxy NGC 42 Long Term Ecological 42 Comet Hartley 2 42 comet chaser 42 IYA 42 Omega Centauri 42 orbiter Cassini 42 Perseid meteor showers 42 NASA Jet Propulsion Laboratory 42 volcanologists 42 campanile 42 KazSat 42 ESRL 42 NASA Landsat 42 WorldWide Telescope 42 Keck Interferometer 42 spectrometer 42 HAMSAT 42 domed cupola 42 THEMIS mission 42 orbiting Hubble telescope 42 Angelos Vourlidas 42 TRMM satellite 42 Starfire Optical Range 42 Redu Belgium 42 MG J# +# 42 spectrograph 42 Jennifer Heldmann 42 Caltech Palomar Observatory 42 Cassini 42 Mercury flyby 42 ALMA antennas 42 Honeysuckle Creek 42 Sombrero Galaxy 42 Siding Spring 42 Pan STARRS PS1 telescope 42 geomagnetism 42 highly elliptical orbits 42 waxing crescent 42 Meteor Crater 42 Tharsis Rise 42 botanical garden 42 celestial sphere 42 Kepler Telescope 42 THEMIS 42 collider 42 cosmic particles 42 Laser Interferometer Space 42 transiting planets 42 Geminids 42 RS Ophiuchi 42 Mars Climate Sounder 42 moon Charon 42 Europa Orbiter 42 aurora borealis 42 Stellarium 42 nicknamed Xena 42 Taurid 42 Heasler 42 CfA 42 cinder cones 42 UA Lunar 42 ecliptic plane 42 GOCE satellite 42 http:/www.nasa.gov/cassini 42 NPO Lavochkin 42 Kepler #b 42 Aquarius SAC 42 cosmic ray observatory 42 faraway planets 42 Mauna Kea volcano 42 Galileoscope 42 ray Space Telescope 42 spiral galaxy Messier 42 fainter objects 42 comet 42 mu Arae 42 Charon Pluto 42 noctilucent clouds 42 GLAST 42 spectrographic 42 occultation 42 Grammier 42 volcano 42 Ray Villard 42 eagle cam 42 CBERS 2B 42 Gamma ray burst 42 sundial 42 AIRS instrument 42 Kuiper belt object 42 geodetic 42 Aristarchus 42 NASA Wallops 42 lunar perigee 42 Space Administration CNSA 42 Martian craters 42 protons collide 42 SeaWiFS 42 constellation Centaurus 42 astrophysicists 42 ExplorationWorks 42 SETI Institute 42 radiosonde 42 microlensing events 42 Kiruna Sweden 42 Philae lander 42 Deep Impact comet 42 UA Steward Observatory 42 volcanologist 42 Konacki 42 EPOXI mission 42 polar orbiting satellites 42 Diviner instrument 42 Hellas Basin 42 Aurigid 42 coronal loops 42 windshield wiper maneuver 42 astrophotographer 42 Gliese #c 42 gamma ray detector 42 earth orbiting satellites 42 geomagnetic 42 auroras 42 STARLAB 42 Jet Propulsion Laboratory JPL 42 Main Injector Neutrino 42 distant quasar 42 Kentucky Mesonet 42 Gamma ray Large 42 ocean buoys 42 observing satellites 42 Berinstain 42 Jay Pasachoff 42 BioServe Space Technologies 42 LCROSS Observation Campaign 42 Manned missions 42 Arenal Volcano 42 geostationary orbits 42 Astrobiology Institute 42 lunar orbiter 42 NASA Jet Propulsion Lab 42 ESO astronomer 42 Dumbbell Nebula 42 Mnajdra Temples 42 thermal infrared 42 shuttle Endeavor 42 solar flares 42 Hubble gyroscopes 42 Geminids meteor shower 42 fissure eruption 42 aerial tramway 42 comet flyby 42 NIRSpec 42 shuttle Atlantis astronauts 42 Cygnus Lyra region 42 spaceweather.com 42 Shuttle Discovery blasts 42 Heliophysics Division 42 Space Telescope Science 42 Gerard Kuiper 42 Geminid meteor shower 42 geopark 42 supermoon 42 CB Devgun 42 accelerographs 42 Rattlesnake Mountain 42 Spectroscopic Explorer 42 Galaxy Evolution 42 Infrared Astronomy 42 CryoSat mission 42 Soufriere Hills Volcano 42 probe Huygens 42 Giovanni Cassini 42 Celestin Kasereka 42 Tranquility module 42 Triangulum Galaxy 42 interpretive displays 42 Taurid meteor shower 42 Meteorological Observatory 42 celestial phenomena 42 Mini Thermal Emission 42 Mossbauer spectrometer 42 NASA Goddard 42 GRB #B 42 Rathnasree 42 robotic explorer 42 geodesy 42 Duari 42 Eta Carinae 42 Gliese #d 42 CALIPSO satellites 42 annular solar eclipse 42 planetary missions 42 Amateur Astronomers Association 42 Jenniskens 42 Australian SKA Pathfinder 42 lava tube 42 SIM PlanetQuest 42 Ultraviolet Imaging Spectrograph 41 LCLS 41 optical wavelengths 41 Kibo module 41 Orion nebula 41 Spallation Neutron Source 41 Huygens mission 41 seismographic 41 geo stationary orbit 41 Relations Observatory STEREO 41 Cubesat 41 Pancam 41 thermal emission spectrometer 41 Cosmic Microwave Background 41 spacecraft Cassini 41 Metop 41 Orion Nebula 41 WIYN 41 extrasolar planets orbiting 41 HESS telescopes 41 submillimeter wavelengths 41 neutrino detectors 41 Gamburtsev 41 YES2 41 Dave Reneke 41 Kielder Observatory 41 VY Canis Majoris 41 neutrino observatory 41 Scobee Planetarium 41 vulcanologists 41 Nasa Jet Propulsion 41 HARPS spectrograph 41 tallest lighthouse 41 occulted 41 WISE telescope 41 MeerKAT 41 Foucault pendulum 41 aboard ESA Envisat 41 inch Alvan 41 Earth ionosphere 41 ADM Aeolus 41 SMOS 41 Skynet 5C 41 Kilauea volcano 41 Buhl Planetarium 41 IUCAA 41 WIYN Observatory 41 Jay Pasachoff professor 41 Andromeda galaxy 41 cosmological distances 41 HiRISE image 41 Cosmic Origins Spectrograph COS 41 astrophysics 41 astronomer Seth Shostak 41 Perseid Meteor Shower 41 particle smasher 41 Comet Hartley 41 GMRT 41 SELENE 41 #/#-ton truss 41 Observing System 41 astronomer Tycho Brahe 41 Solar Dynamics 41 Jill Tarter 41 Gregory Asner 41 icecap 41 Longway Planetarium 41 Newtonian telescope 41 Hugo Yepes 41 Fengyun 1C 41 solar corona 41 Astrosat 41 meteoroid 41 Geza Gyuk 41 Mars Reconnaissance Orbiter 41 Cloud Aerosol Lidar 41 MARSIS 41 LRO spacecraft 41 Shuttle undocks 41 HiRISE images 41 BPPTK 41 Lunar Reconnaissance Orbiter Camera 41 Fiske Planetarium 41 polarimetric 41 constellation Lacerta 41 Fred Espenak 41 LORRI 41 Arcosanti 41 Space Telescope GLAST 41 Leonids 41 Dan Dzurisin 41 Chile La Silla 41 Long Wavelength Array 41 Herschel Space Telescope 41 waning gibbous 41 KamLAND 41 NSPO 41 Elenin 41 UAVSAR 41 eyepiece #/#s f/#.# 41 Sandy Hook Bird 41 Venusian surface 41 whale skeleton 41 inch reflector telescope