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(Click for frequent words.) 58 de Pater 57 Observatoire de Paris 57 ESO astronomer 56 ESO VLT 56 CFHT 55 Steward Observatory 53 Storrie Lombardi 53 CfA 53 Gemini Observatory 53 Submillimeter Array 52 MEarth 52 Cabrol 52 NASA Infrared Telescope 52 imaging spectrometer 52 Becquerel 52 Keck Observatory 51 Observatory astronomer 51 CSIRO Wealth 51 Arizona Steward Observatory 51 STScI 51 inch Samuel Oschin 51 Astrophysical 51 WM Keck Observatory 51 ESA Planck 51 ESA Herschel 51 Chajnantor 51 Keck telescope 51 Pierre Simon Laplace 51 Paranal 51 Planetology 51 Astrophysics Cambridge Mass. 51 UA Lunar 50 planetary astronomer 50 Theoretical physicist 50 Scheeres 50 UA Steward Observatory 50 Harlow Shapley 50 Gamburtsev 50 ESO telescope 50 van der Leeuw 50 Rychard Bouwens 50 Convection Rotation 50 NASA MODIS 50 KIPAC 50 Observatoire de la 50 Carnegie Observatories 49 ASTRON 49 Franck Marchis 49 Hakan Svedhem 49 Cassini Imaging 49 Paul Kneib 49 Fermi LAT 49 European Synchrotron Radiation 49 Jennifer Heldmann 49 ESA XMM Newton 49 EPOCh 49 Texier 49 theoretical astrophysicist 49 Telescope LSST 49 Joseph Fourier 49 Crab Pulsar 49 rover panoramic 49 ESA Integral 49 Niepce 49 NASA THEMIS 49 Tubiana 49 Piton de la 49 Wolfgang Brandner 49 IFREMER 48 Richard Mushotzky 48 Japan NAOJ 48 Planetary Scientist 48 Interferometer 48 Meteoritics 48 Kepler Mission 48 Nasa Jet Propulsion 48 NOAO 48 Paquay 48 Krimigis 48 Galaxy Evolution 48 Adaptive Optics 48 Subaru Telescope 48 Meenakshi Wadhwa 48 Whipple Observatory 48 Exoplanet 48 ESA Cluster 48 Institut des Sciences 48 Solar Observatory 48 Scripps Oceanography 48 SDSS II 48 Subaru telescope 48 exoplanet hunter 48 MMT Observatory 48 NASA Interstellar Boundary 48 Caltech physicist 48 submillimetre 48 DEEP2 48 Earthscope 48 weak gravitational lensing 48 mineralogist 48 Boisserie 48 Caltech astronomer 48 Fermi Gamma ray 48 Infrared Telescope Facility 48 Arsia Mons 48 Hörst 48 Pan STARRS 48 Spacewatch 48 Volcanologist 48 AAVSO 48 MINOS 48 Keck Telescope 48 Glaciologist 48 extrasolar planetary systems 48 Infrared Thermal Imaging Spectrometer 48 Helioseismic 48 THEMIS Image 48 Grillmair 48 Michael Studinger 47 Edmund Halley 47 Marchis 47 Henri Becquerel 47 VIRTIS 47 gamma ray observatory 47 Keck Interferometer 47 Comet Halley 47 Pancam 47 Laboratoire d' Astrophysique de 47 NASA Jet Propulsion Lab 47 Smithsonian astronomer 47 Gerard Kuiper 47 Carnegie Institution Geophysical 47 Infrared Mapping Spectrometer 47 Mojzsis 47 Astrophysicist 47 Spectrograph 47 Goldbart 47 Laser Interferometer Gravitational Wave 47 CTIO 47 Fresnel 47 Planetary Science Institute 47 KamLAND 47 ESA Rosetta 47 Tommaso Treu 47 CERN physicist 47 Maximenko 47 Triangulum Galaxy 47 Submillimeter 47 X ray spectrometer 47 inch refractor telescope 47 Veil Nebula 47 Terrestrial Magnetism 47 ESO Very Large Telescope 47 Solar TErrestrial RElations Observatory 47 Karoff 47 Institut de Recherche 47 Lulin Observatory 47 inch refracting telescope 47 XMM Newton satellite 47 Spatiale des 47 Gal Yam 47 La Silla observatory 47 Giovanni Cassini 47 Francis Halzen 47 Radioastronomy 47 radio occultation 46 Muséum National 46 Jenniskens 46 NASA CloudSat 46 Observatory LDEO 46 planetary scientist 46 VLBI 46 MIT Haystack Observatory 46 Earth Asteroid 46 Samuel Oschin Telescope 46 UKIRT 46 Evolutionary Anthropology Leipzig 46 astrophotographer 46 Andrea Ghez 46 Cerro Tololo 46 Astronomy Observatory 46 PRBO 46 Infrared Pathfinder Satellite 46 distant quasar 46 Dominique Cassini 46 RHESSI 46 Las Cumbres Observatory 46 Cerro Paranal 46 Astrophysical Research 46 Monod 46 Institut d' Astrophysique de 46 Energy Stereoscopic 46 Diviner 46 USGS Cascades Volcano 46 Plate Boundary 46 Astronomical Observatory 46 Saturn Enceladus 46 Planetary Transits 46 Lick Observatory 46 Explorer IBEX 46 Nankai Trough Zone 46 Davidovits 46 INAF IASF 46 Dikpati 46 MPIfR 46 radiotelescope 46 ESRL 46 Fossae 46 planetary Transits 46 Aristarchus 46 Siding Spring 46 Fritz Zwicky 46 Hawaii Telescope CFHT 46 Numerical Simulation 46 UCO Lick 46 PSR B# +# 46 Spectroscopic 46 Paleoanthropologist 46 astrometric 46 particle detector 46 Paranal Chile 46 Dimitar Sasselov 45 SAAO 45 GALEX 45 Heliophysics 45 Koobi Fora 45 CoRoT satellite 45 Lamont Doherty 45 Mauna Kea Hawaii 45 Erik Asphaug 45 Cavicchioli 45 Laboratoire d' 45 LORRI 45 NASA astrobiology 45 Observatoire de Haute Provence 45 NRAO 45 NASA astrophysicist 45 Smos 45 Robert Jedicke 45 Kusenko 45 Helmholtz Zentrum Berlin 45 marine geologist 45 Collège de 45 Niiler 45 coronagraph 45 Auger Observatory 45 gamma ray spectrometer 45 Filippenko 45 Anthony Remijan 45 HiRISE camera aboard 45 Submillimeter Array SMA 45 Planetary scientist 45 La Silla 45 Carey Lisse 45 NASA Cosmic Background 45 Kazantzidis 45 Huchra 45 Bonvin 45 Grenoble Observatory 45 Coauthor 45 de Duve 45 NIRCam 45 LOFAR 45 THEMIS 45 Space Physics 45 Lunar Laser Ranging 45 van der Hilst 45 Landsat satellite 45 HiRISE 45 Hawaii Mauna Kea 45 Berkeley Geochronology Center 45 Cometary 45 distant quasars 45 astrometry 45 neutron spectrometer 45 Wilkinson Microwave Anisotropy Probe 45 Charles Beichman 45 CSIRO Parkes radio 45 electron tomography 45 Henri Poincare 45 Telescope Array 45 Near Infrared Camera 45 IceCube 45 SNOLAB 45 NASA Cassini 45 MIT Kavli Institute 45 Explorer WISE 45 Commissariat à l' Énergie 45 martian meteorites 45 National Astronomical Observatory 45 microbial ecologist 45 JCMT 45 Keck telescopes 45 RS Ophiuchi 45 Shri Kulkarni 45 Astronomie 45 Ecole Normale Supérieure 45 Alaska Fairbanks Geophysical 45 Max Plank 45 Biogeochemistry 45 Descent Imager Spectral Radiometer 45 Cloud Aerosol Lidar 45 Gregory Asner 45 Glikson 45 Ellery Hale 45 TMT Observatory 45 Moléculaire 45 ESRF 45 APEX telescope 45 Centre de Recherche 45 Alessandro Morbidelli 45 NOAO AURA NSF 45 DEIMOS 45 HESS telescopes 45 Observatoire 45 geobiologist 45 Wigner 44 Pierre Auger 44 ROSAT 44 Evolution Explorer 44 Sigurd Hofmann 44 Sasselov 44 millisecond pulsar 44 High Altitude Observatory 44 orbiting gamma ray 44 Richard Binzel 44 nanoscientist 44 Upsilon Andromedae 44 ah dus 44 Jacques Durieux 44 Shanghai Astronomical Observatory 44 Bonanos 44 Long Term Ecological 44 Astrophysics MOA 44 Ring Nebula 44 Vakoch 44 Imaging Spectrometer 44 Geminga 44 Energy Solar Spectroscopic 44 Spaceguard 44 X ray observatory 44 RPWS 44 Peter Jenniskens 44 Physique du Globe 44 CoML 44 Hubble Near Infrared 44 infrared astronomy 44 Atomique 44 HUDF 44 Brian Swimme 44 Field Imager 44 Comet #P 44 Peter Capak 44 Gidon Eshel 44 Kauahikaua 44 Space Telescope 44 Annenberg Weingarten 44 XMM Newton 44 NASA Goddard 44 Thirty Meter Telescope 44 Jupiter moon Io 44 Extrasolar Planets 44 Long Wavelength Array 44 Mars CRISM 44 orbiting Chandra 44 constellation Pisces 44 Multi Object Spectrometer 44 Mullard Space Science 44 WMAP satellite 44 Lhote 44 Gravitational lensing 44 Space Infrared Telescope 44 radial velocity technique 44 Magueijo 44 Katzman Automatic 44 Ray Jayawardhana 44 Ferenc Krausz 44 NASA Fermi Gamma 44 Planck satellite 44 Magnetosphere 44 Herschel telescope 44 supergiant star 44 Henshilwood 44 Thermal Emission 44 Candor Chasma 44 Raizen 44 Infrared Array Camera 44 microlensing 44 geomagnetism 44 Soulé 44 Io Europa 44 Planetary Physics 44 COROT 44 Veizer 44 Methone 44 Planck spacecraft 44 Prufer 44 Russell Hemley 44 Cosmic Evolution 44 Experiment NanTroSEIZE 44 La Silla Observatory 44 NAOJ 44 Herzberg Institute 44 Dalcanton 44 Institut Universitaire de 44 VIRTIS instrument 44 Mossbauer 44 Extragalactic 44 Aqua satellite 44 Stratigraphy 44 rocky extrasolar planet 44 paleo anthropologist 43 Arnauld 43 geometer 43 optical telescope 43 Total Ozone Mapping 43 Louis Daguerre 43 spectroscope 43 Leslie Orgel 43 SETI Search 43 Hubble Space Telescope HST 43 Cassini imaging 43 Telescope 43 LROC 43 Jouvet 43 Commissariat à l' Energie 43 Calar Alto Observatory 43 Kuchner 43 InSAR 43 NASA Chandra 43 barred spiral galaxy 43 Jacques Monod 43 Cosmic Background Explorer 43 Roukes 43 Centre d' études 43 Dumbbell Nebula 43 Hobby Eberly 43 Spatiale 43 spectroscopic measurements 43 Roque de los 43 Fermi Large 43 DiGiusto 43 Tropical Rainfall Measuring 43 RXTE 43 Emily Lakdawalla 43 Lise Meitner 43 Ellen Stofan 43 exoplanetary 43 Ontario Lacus 43 ESA Envisat 43 Abbé 43 ChemCam 43 Henri Poincaré 43 Makiko Sato 43 crystallographer 43 Pavonis Mons 43 Observatory SDO 43 Schroedinger 43 Astrophysics Laboratory 43 BLG #Lb 43 Eugene Wigner 43 Casadevall 43 LIGO 43 atop Mauna Kea 43 HiRISE image 43 electron micrograph 43 USGS geologist 43 Syrtis Major 43 paleomagnetic 43 Thermal Emission Spectrometer 43 Kavli Institute 43 Manchester Jodrell Bank 43 Leeuwenhoek 43 COBE satellite 43 EarthCARE 43 Niépce 43 retrograde orbit 43 Nima Arkani Hamed 43 Orbiter LRO 43 Horsehead Nebula 43 NASA Wilkinson Microwave 43 Planetary Sciences seminar 43 Peidong Yang 43 photometer 43 Paranal Observatory 43 Alain Hubert 43 Active Galactic Nuclei 43 ESO Paranal Observatory 43 Extreme Ultraviolet Imaging Spectrometer 43 Solar Optical Telescope 43 William Herschel Telescope 43 Mini SAR 43 Anisotropy Probe 43 astronomer 43 Chilean Atacama Desert 43 APXS 43 HARPS instrument 43 interferometry 43 Zoologist 43 NASA WMAP 43 biomineralization 43 Suzaku X ray 43 Gaensler 43 hominid footprints 43 EarthScope 43 Very Large Array 43 Jeremy Bailenson 43 Planetary Lab 43 Arecibo Observatory 43 Kirlian 43 planetary astronomy 43 Kitt Peak 43 AMIE camera 43 X ray telescopes 43 Chemla 43 Divola 43 Yerkes Observatory 43 NASA GSFC 43 Hans Deeg 43 Hubble astronomer 43 Bandfield 43 Lunar Reconnaissance Orbiter Camera 43 Giovanna Tinetti 43 Budker 43 Pan STARRS PS1 telescope 43 interferometric 43 Gerhard Neukum 43 Anisotropy Probe WMAP 43 planetary geologist 43 ESA Envisat satellite 43 Roni Horn 43 Nobel laureate physicist 43 Corot 43 ESA SMART 42 UVOT 42 Didier Raoult 42 Hanny Voorwerp 42 infrared interferometry 42 Stanford Synchrotron Radiation Lightsource 42 Planck 42 GLAST Burst Monitor 42 Webb Telescope 42 Coma Cluster 42 axion 42 Exoplanets 42 CRISM 42 Spatiales 42 Gregory Benford 42 EVLA 42 Kac 42 WIYN 42 Algalita 42 Molecular Evolution 42 UC Observatories Lick 42 infrared spectrometry 42 Lulin 42 millimeter wavelengths 42 Southern Observatory ESO 42 Synchrotron 42 HARPS spectrograph attached 42 Shad O'Neel 42 Alpha Particle 42 Observatory STEREO 42 sedimentologist 42 Interferometer VLTI 42 Frank Bertoldi 42 Area Telescope LAT 42 Geophysicist 42 Biemann 42 Max Planck Institut für 42 Fra Mauro 42 Leiden Observatory 42 Halton Arp 42 Fundamental Physics 42 Galileo spacecraft 42 Tacca 42 Allan Sandage 42 Relations Observatory STEREO 42 Sara Seager 42 JDEM 42 Very Large Telescope 42 Rivière 42 Microlensing Observations 42 WIYN telescope 42 hyperspectral 42 MPG ESO 42 Laboratory SSRL 42 Observatories 42 SRON Netherlands Institute 42 spectroscopic observations 42 astronomer mathematician 42 Pierre Teilhard de Chardin 42 IDRISI 42 Rössler 42 stellar occultations 42 Gustave Le Gray 42 High Angular Resolution 42 Astrophysics 42 Theodor Hänsch 42 Tuan Vo Dinh 42 Pierre Drossart 42 moon Io 42 Explorer GALEX 42 de la Terre 42 Fermi telescope 42 Mount Stromlo Observatory 42 particle astrophysics 42 astronomy observatory 42 Valles Marineris 42 Lunine 42 solar corona 42 Paris Diderot 42 Tad Pfeffer 42 Vielle Calzada 42 MARSIS 42 Kenneth Libbrecht 42 Planetary Laboratory 42 NASA Far Ultraviolet 42 Astronomer 42 radar altimetry 42 Lowell Observatory 42 Spitzer Infrared Array 42 Credits ESA 42 theoretical astrophysics 42 UFZ 42 Tenen 42 pour le Développement 42 Omega Nebula 42 Varcoe Cocks 42 Mars Orbiter Camera 42 Arno Penzias 42 Le Verrier 42 astronomer Edmond Halley 42 VISTA telescope 42 Las Campanas Observatory 42 Extraterrestrial Intelligence Institute 42 LCLS 42 Curies 42 infrared spectra 42 globular cluster M# 42 interferometer 42 twin STEREO spacecraft 42 Wolszczan 42 gravitational lensing 42 Great Observatories Origins 42 Penck 42 Chesnais 42 constellation Cetus 42 Laboratory MBL 42 Electron Microscopy 42 Optical Telescope 42 Maréchal 42 TerraSAR X 42 microscopic imager 42 Moderate Resolution Imaging 42 Guhathakurta 42 Murray Gell Mann 42 Ghassem Asrar 42 Eugène Atget 42 Mössbauer 42 Interferometric 42 Paleoclimate 42 Delta Cephei 42 CIRES 42 Planetary Geology 42 Volker Bromm 42 Great Observatories 42 spectrographs 42 Chajnantor plateau 42 Nasa Kepler 42 Winston Seiler 42 Sandhage 41 JQI 41 Archimedes Palimpsest 41 extrasolar 41 Friis Christensen 41 Laetoli 41 underdrawing 41 Optical Gravitational Lensing Experiment 41 Erwin Schrodinger 41 Pierre Huyghe 41 Cerro Paranal Chile 41 Fomalhaut b 41 Maria Zuber 41 Aberdeen Oceanlab 41 Multi Object Spectrograph 41 Shuguang Zhang 41 McClenachan 41 ESO PR 41 Astrophysical Institute 41 Institut de 41 Cosmic Background Explorer COBE 41 lunette 41 Facility SIRTF 41 Gehrels 41 Cerro Armazones 41 Pascale Ehrenfreund 41 Studies CNES 41 Ketterle 41 gravitational lens 41 Comet Hartley 2 41 Kruskal 41 Albert Michelson 41 Lavoisier 41 Natalia Rybczynski 41 Alfredo Jaar 41 eclipsing binary 41 laser altimeter 41 Orbiter MRO 41 gravitational microlensing 41 HD#b 41 LSST 41 National Optical Astronomy 41 African Astronomical Observatory 41 Avishay Gal Yam 41 Space Telescopes 41 Palomar Observatory 41 Mastcam 41 Röntgen 41 NASA STEREO 41 Jacques Vallee 41 NIST physicist 41 Pierre Auger Observatory 41 Telescope BAT 41 planetary geology 41 Spitzer Space Telescope 41 palaeoanthropologist 41 WISE infrared 41 Kieda 41 Winglee 41 postdoctoral scientist 41 Paytan 41 interferometers 41 Sauniere 41 oiseaux 41 Kermadec Arc 41 Szilard 41 SEGUE 41 AKARI 41 Deborah Balk 41 Kosterlitz 41 Pascal Cotte 41 Cassini Image 41 Birn 41 Georges Cuvier 41 Cerro Pachón 41 Dan Werthimer 41 USArray 41 Gif sur Yvette 41 Mission SRTM 41 Institut de recherche 41 Nikku Madhusudhan 41 Gemini Telescope 41 Fourier 41 Olympus Mons 41 Dominion Astrophysical Observatory 41 d' histoire 41 Gamma ray Burst 41 Rosaly Lopes 41 Spatiales CNES 41 Observatoire de 41 Viking Lander 41 Omega Centauri 41 telescope atop Mauna 41 infrared mapping spectrometer 41 StarDate 41 Van Valen 41 Lapen 41 adaptive optics 41 Faint Object 41 SkyCenter 41 Arabia Terra 41 Helix Nebula 41 Image NASA JPL 41 SIRTF 41 retroreflector 41 Very Energetic Radiation 41 astrophysicist 41 Geoscience Laser Altimeter 41 Verbiscer 41 PlanetQuest 41 paleoecologist 41 Brookhaven physicist 41 Reflection Radiometer ASTER 41 ETH Zürich 41 scientifique 41 ethologist 41 Mid Infrared 41 occultations 41 Sky Survey SDSS 41 vertebrate paleontologist 41 Fritjof Capra 41 L' Arbre 41 David Spergel 41 Justine Kurland 41 Cat Paw Nebula 41 Eldredge Bermingham 41 Spectroradiometer 41 Polarimetry 41 Observatory LIGO 41 Roger Ballen 41 Michael Zolensky 41 bolometers 41 Barré Sinoussi 41 Leloir 41 neutrino detector 41 Harpy Eagle 41 Pizzarello 41 Jock Sturges 41 NEOWISE 41 ASKAP 41 neutrino physics 41 spiral galaxy NGC 41 geomorphologist 41 Ulf Leonhardt 41 panoramic camera 41 Rabinow 41 Tycho Brahe 41 told physicsworld.com 41 Digitized Sky Survey 41 Toolik Lake 41 e VLBI 41 NICMOS 41 Theodore von Karman 41 Caltech seismologist 41 exo planet 41 Pieter van Dokkum 41 Rasio 41 Hyperbolic Crochet Coral Reef 41 WFPC2 41 THEMIS satellites 41 Southampton Oceanography 41 Advanced Spaceborne Thermal Emission 41 Oceanus Procellarum 41 X ray telescope 41 Ostro 41 Hermann von Helmholtz 41 Calar Alto 41 Sushil Atreya 41 VIMOS 41 Adam Riess 41 Earth Observatory 41 inch refractor 41 Carinae 41 Schawinski 41 Herschel Space 41 Tiktaalik roseae 40 ray Space Telescope 40 Hubble Ultra 40 UVES 40 infrared telescope 40 Pierre Curie 40 Jay Melosh 40 Victor Vasarely 40 Christiaan Huygens 40 Instrument OMI 40 GRB# 40 COBE 40 Radio Astronomy Observatory 40 FORCAST 40 Laboratoire de 40 Dan Buhl Planetarium 40 LTER 40 ATST 40 optical wavelengths 40 cosmic ray observatory 40 l' Eau 40 Infrared Camera 40 ESO 40 Spergel 40 Paul Sabatier 40 constellation Carina 40 Rodrigo Ibata 40 Etretat 40 Cassini 40 Avogadro 40 SeaWiFS 40 Jamie Elsila 40 Quaoar 40 Scherrer Institute 40 Space Telescope Science 40 altimetry 40 Spectrometer 40 HRSC 40 ultrahigh resolution 40 Comet Hale Bopp 40 Oleg Abramov 40 Spitzer infrared spectrograph 40 Atacama Large Millimeter submillimeter 40 Charpak 40 Observatory NOAO 40 Perseus Cluster 40 Heliospheric Investigation 40 Spaceweather.com 40 Reflection Radiometer 40 NASA Heliophysics 40 Kuiper belt objects 40 Kounaves 40 Heliospheric Observatory SOHO 40 ethnologist 40 JILA 40 Glenn Seaborg 40 refracting telescope 40 photometry 40 Cassini Ion 40 HiRISE camera 40 Cryosphere 40 PRBO Conservation Science 40 galaxy NGC 40 Fran Bagenal 40 Alpes de 40 Vulcanologist 40 Meteor Crater 40 Richard Berendzen 40 Roden Crater 40 National Astronomical Observatories 40 Climate Experiment 40 Meave Leakey 40 Muchachos Observatory 40 Del Frate 40 Project Seahorse 40 distant galaxy 40 Katlenburg Lindau Germany 40 Gamma ray 40 Vörösmarty 40 Atmospheric Physics 40 JWST 40 Saturn Cassini 40 Eric Becklin 40 Henri Gaudier Brzeska 40 Max Planck Institut fuer 40 Losick 40 ultraviolet spectrograph 40 La Pitié 40 Postdoctoral researcher 40 Cassini ultraviolet 40 G#.# +#.# 40 Mikucki 40 gravitational lenses 40 Holography 40 de Fermat 40 Jill Tarter 40 TrES 4 40 Mont Megantic 40 Physique et 40 scanning electron micrograph 40 Savigny 40 NASA Tropical Rainfall 40 Baross 40 Losos 40 Composite Infrared Spectrometer 40 Anyamba 40 Augustinus 40 Auroral 40 earthshine 40 Nathan Kaib 40 Project Ozma 40 Zwelethu Mthethwa 40 Ignacio Cirac 40 noctilucent clouds 40 SPIRE 40 Ilya Prigogine 40 Bailey Serres 40 d' Errico 40 emission spectroscopy 40 Electron Microscope 40 van Eyck 40 Nasa Ames 40 redshift 40 holotype 40 photogram 40 Maciej Konacki 40 Russell Ciochon 40 developmental biologist 40 Paul Nicklen 40 Plagne 40 x ray diffraction microscopy 40 Haystack Observatory 40 gamma ray detector 40 limnologist 40 starburst galaxy 40 AU Mic 40 Camelopardalis 40 Geophysical Laboratory 40 Earthshine 40 Philippe Bouchet 40 CNRS Institut 40 Jan van Eyck 40 Holley Bockelmann 40 Valles Marineris canyon 40 Mount Mabu 40 Svensmark 40 Jeffrey Kargel 40 Carl Woese 40 Polishook 40 Coel Hellier 40 Vikhlinin 40 SPIRE instrument 40 Michelangelo Pistoletto