Related by context. All words. (Click for frequent words.) 72 gravitational lens 72 weak gravitational lensing 68 gravitational microlensing 68 gravitational lenses 67 X ray emission 66 Cepheids 66 microlensing 64 foreground galaxy 63 supernovae 63 supersymmetric particles 63 AGNs 63 X ray wavelengths 63 axion 63 galaxy clusters 63 Hawking radiation 63 gravitational waves 63 active galactic nuclei 63 cosmic microwave background 63 RXTE 62 interferometry 62 axions 62 filamentary structure 62 Bose Einstein condensates 62 earthshine 62 GRBs 62 XMM Newton 62 magnetar 62 optical interferometry 62 distant galaxies 62 quasars 62 distant quasar 62 SN #A 62 gravitational radiation 62 solitons 61 quasar 61 Gravitational lensing 61 galactic cosmic rays 61 Bose Einstein condensation 61 astrometry 61 spacetime 61 redshift 61 magnetic fields 61 Saturn magnetosphere 61 cosmological distances 61 Gravitational waves 61 intrinsic brightness 61 radial velocity 61 X ray observatory 61 XMM Newton observations 61 CMB radiation 60 occultations 60 X ray pulses 60 astronomers 60 ARPES 60 microlensing events 60 reionization 60 spectroscopic 60 NASA Chandra 60 eclipsing binary 60 Type Ia supernovae 60 stellar seismology 60 Einstein theory 60 magnetic reconnection 60 X ray Observatory 60 extragalactic 60 extrasolar planets 60 sterile neutrino 60 RS Ophiuchi 60 faint galaxies 60 extrasolar planetary systems 60 magnetars 60 dipole moment 60 general relativity 60 fainter objects 59 elliptical galaxies 59 Hubble observations 59 superlens 59 x ray scattering 59 gravity warps 59 Wilkinson Microwave Anisotropy Probe 59 NASA Wilkinson Microwave 59 ESO Very Large Telescope 59 shorter wavelengths 59 exoplanetary 59 SINFONI 59 Keck telescope 59 macroscopic objects 59 quantum mechanically 59 X ray observatories 59 cosmic magnifying glass 59 spectroscopic observations 59 cosmological parameters 59 stellar occultation 59 called gravitational microlensing 59 Rayleigh scattering 59 neutrinos 59 supernova remnant 59 interferometers 59 redshifts 59 cosmologists 59 galaxy formation 59 quantum mechanical 59 Adaptive optics 59 photoemission 59 adaptive optics 59 cosmic ray 59 diffraction 59 globulars 59 anisotropy 59 X ray scattering 58 radial velocity method 58 radial velocity technique 58 Bose Einstein condensate 58 electrodynamics 58 gravitational interactions 58 scanning tunneling microscopy 58 high temperature superconductivity 58 Kuiper belt objects 58 auroral 58 planetary nebulae 58 millisecond pulsars 58 Higgs bosons 58 optical lattices 58 particle acceleration 58 quark gluon plasma 58 X ray telescopes 58 lensing galaxy 58 HD#b 58 spectroscopy 58 quasicrystal 58 Coma Cluster 58 polarimetry 58 astrophysical phenomena 58 solar corona 58 attosecond 58 W boson 58 electron beams 58 nonlinear optical 58 distant supernovae 58 dwarf galaxies 58 ESA XMM Newton 58 Higgs particle 58 galaxy cluster 58 distant quasars 58 Fomalhaut b 58 photoluminescence 58 optical wavelengths 58 Lyman alpha 58 frequency combs 58 Crab Pulsar 58 GJ #b [002] 58 neutralino 58 gravitational wave 58 astronomical observations 58 KBOs 58 millisecond pulsar 58 detect gravitational waves 58 numerical simulations 57 retrograde orbit 57 negative refraction 57 diffraction pattern 57 Keck Interferometer 57 proplyds 57 astrophysicists 57 starburst galaxy 57 frequency comb 57 X ray binary 57 ESO VLT 57 WM Keck Observatory 57 photonic crystals 57 gamma ray burst 57 occultation 57 supersymmetry 57 astrophysical 57 Anisotropy Probe WMAP 57 Raman scattering 57 neutron star 57 SN #gy 57 aurorae 57 THz radiation 57 spectroscopic measurements 57 electron neutrinos 57 excitons 57 transiting planet 57 phonon 57 quantum gravity 57 supernovas 57 transiting planets 57 gamma ray bursts 57 Hanny Voorwerp 57 supersymmetric 57 Henize #-# 57 quantum particle 57 WMAP 57 blazar 57 galactic mergers 57 gamma ray flares 57 photosphere 57 visible wavelengths 57 ion beams 57 astrophysical objects 57 polaritons 57 optical microscopy 57 baryons 57 singularities 57 quantum phenomena 57 coronal loops 57 VIRTIS 57 scanning tunneling microscope 57 confocal microscopy 57 fermionic 57 Cepheid variables 57 exoplanets 57 GALEX 57 ultracold atoms 57 phonons 57 AB Aurigae 57 RHESSI 57 Upsilon Andromedae 57 photometry 57 ferromagnetism 57 WIMPs 57 millimeter wavelengths 57 type Ia supernova 57 Raman spectroscopy 57 WASP #b 57 noctilucent clouds 56 Voorwerp 56 meridional flow 56 spectroscopic techniques 56 sparticles 56 Virgo Cluster 56 photoelectric effect 56 Sunyaev effect 56 electroweak 56 orbital angular momentum 56 neutrino 56 extrasolar 56 supersolid 56 electron pairing 56 electron electron 56 luminosities 56 Einstein relativity theory 56 plasmons 56 exciton 56 photons 56 supernova explosion 56 nucleosynthesis 56 astronomical objects 56 metallicity 56 Antennae Galaxies 56 gaseous planet 56 WMAP satellite 56 photons emitted 56 semiconductor nanocrystals 56 globular clusters 56 gamma ray emission 56 HIRES spectrometer 56 SAXS 56 merging galaxies 56 supernova 56 ionospheric 56 HARPS spectrograph attached 56 infrared wavelengths 56 relativistic particles 56 topological insulator 56 stellar occultations 56 distant galaxy 56 interacting galaxies 56 photochemical reactions 56 microscopy technique 56 Astrophysicists 56 superfluidity 56 galaxies 56 spiral galaxies 56 spiral nebulae 56 colloidal crystals 56 orbiting Chandra 56 galaxy M# [002] 56 Omega Centauri 56 photon fluorescence 56 Very Large Telescope 56 magnetic anisotropy 56 soliton 56 Fermi telescope 56 Gal Yam 56 topological insulators 56 fermions 56 diffraction patterns 56 superluminal 56 SN #C 56 synchrotron x ray 56 pseudogap 56 blazars 56 VB #b 56 neutron stars 56 gravitational 56 dwarf spheroidal galaxies 56 planets orbits 56 sodium atoms 56 COROT 55 Doppler shift 55 photonic crystal 55 ultracold 55 YORP effect 55 Epsilon Aurigae 55 geoneutrinos 55 quantum entanglement 55 occulted 55 SNR #-#.# 55 Bullet Cluster 55 sonoluminescence 55 quantum chromodynamics 55 Type Ia supernova 55 Cosmologists 55 Alfvén waves 55 superfluids 55 gamma rays 55 Keck telescopes 55 HM Cancri 55 impactors 55 plasmon 55 relativity theory 55 magnetization reversal 55 supergiant star 55 Astrophysical 55 Cosmic Microwave Background CMB 55 Kuiper belt 55 bosonic 55 dynamical 55 scanning electron microscope 55 X ray binaries 55 Mott insulator 55 spectroscopic technique 55 auroras 55 quantum mechanics 55 zodiacal light 55 Type Ia 55 Cerenkov radiation 55 optical lattice 55 celestial mechanics 55 Spitzer Space Telescope 55 Hipparcos 55 coronagraph 55 attosecond pulses 55 filamentary 55 magma ocean 55 GRB # 55 pulsars 55 Cosmic Microwave Background 55 atmospheric aerosols 55 Earth magnetosphere 55 spectroscopically 55 blackbody 55 boson 55 magnetospheric 55 retrograde orbits 55 cosmic rays 55 Saturn rings 55 x ray pulses 55 quantum electrodynamics 55 starburst galaxies 55 gravitational redshift 55 Hubble Constant 55 electron neutrino 55 Adam Riess 55 neutrino oscillation 55 Fermi LAT 55 substorm 55 cosmological constant 55 planets orbiting 55 magnetic flux 55 lunar perigee 55 Alfven waves 55 luminous galaxies 55 Evolution Explorer 55 type Ia supernovae 55 planets orbiting distant 55 muon neutrino 55 plasmonic 55 anisotropic 55 X ray diffraction 55 kaons 55 Maxwell equations 55 ULIRGs 55 brown dwarfs 55 periodic oscillations 55 radial velocity measurements 55 Tod Strohmayer 55 asteroseismology 55 UVOT 55 exoplanets orbiting 55 astro comb 55 VLTI 55 quasiparticle 55 proton decay 55 rocky planets 55 galactic disk 55 ESO telescope 55 coronal heating 55 Keck Observatory 55 particles WIMPs 55 tholins 55 superlattices 55 undiscovered particle 55 semiconducting properties 55 gravitational interaction 54 quantum particles 54 absorption spectroscopy 54 electron orbits 54 magnetic monopole 54 protoplanetary disks 54 X ray spectroscopy 54 icy moons 54 quantum tunneling 54 cuprates 54 photon pairs 54 Einstein equations 54 Milky Way halo 54 Kashlinsky 54 submillimeter 54 protoplanetary disk 54 barred spiral galaxy 54 interstellar clouds 54 Cat Paw Nebula 54 infall 54 Rydberg atom 54 NanoSIMS 54 Near Infrared Camera 54 GJ #b [001] 54 cosmological observations 54 infrared spectra 54 accretion disk 54 fluorescence microscope 54 distant supernovas 54 nucleons 54 Arches Cluster 54 synchrotron radiation 54 spatially resolved 54 magnetic monopoles 54 interferometric 54 anthropic principle 54 infrared spectrograph 54 weakly interacting 54 baryonic 54 optical tweezers 54 cosmic ray flux 54 post perovskite 54 lightwaves 54 Interferometer 54 supernova remnants 54 dwarf galaxy 54 electron diffraction 54 Aharonov Bohm effect 54 TGFs 54 neutralinos 54 radar interferometry 54 QCD 54 photoelectron 54 particle astrophysics 54 electron scattering 54 absorption spectra 54 chemical abundances 54 antiferromagnets 54 microcavities 54 superstring theory 54 muon 54 Higgs singlet 54 X ray beams 54 SQUIDs 54 Svensmark 54 nanoantennas 54 exoplanet 54 W bosons 54 cosmic cannibal 54 microquasar 54 interferometer 54 ultraviolet wavelengths 54 backscattered 54 spin Seebeck 54 supernova explosions 54 nonlinear optics 54 elliptical galaxy 54 active galactic nucleus 54 MiniBooNE 54 superstrings 54 ultraviolet radiation emitted 54 muons 54 afterglows 54 spatial dimensions 54 Anisotropy Probe 54 braneworld 54 Epsilon Eridani 54 Vikhlinin 54 RS Oph 54 x ray beam 54 lunar crust 54 extrasolar planetary 54 globular cluster 54 optical telescopes 54 planetary nebulas 54 cosmic ray particles 54 Cygnus X 54 planemos 54 metamaterials 54 PSR J# +# 54 multipartite entanglement 54 high temperature superconductors 54 pulsar 54 cryovolcanism 54 quasicrystals 54 distant galaxy clusters 54 Oort cloud 54 JDEM 54 quantum computation 54 HD #b [002] 54 Delta Cephei 54 Tycho supernova remnant 54 ULP cepheids 53 terahertz waves 53 ultrashort pulses 53 stellar nurseries 53 electromagnetic flux 53 GRB# 53 Jupiter moon Io 53 quantum optics 53 HARPS instrument 53 CoRoT satellite 53 baryon 53 GRB #B 53 Type 1a supernovae 53 Microlensing 53 photon microscopy 53 isotropic 53 GeV 53 X ray afterglow 53 magnetisation 53 novae 53 entangled quantum 53 cosmic phenomena 53 laser pulses 53 gravitons 53 SDSS II 53 QCLs 53 galaxy NGC 53 G#.# +#.# 53 Crab Nebula 53 cosmic gamma rays 53 optical spectra 53 Brownian motion 53 ionosphere 53 interstellar medium 53 ejecta 53 superfluid 53 silicate dust 53 hyperlens 53 velocity dispersion 53 parallax 53 detecting gravitational waves 53 Multi Object Spectrograph 53 cosmological theories 53 planetary Transits 53 fermion 53 diffuse aurora 53 Oort Cloud 53 gravitational wobbles 53 protoplanet 53 Keck Telescope 53 inelastic scattering 53 antiparticle 53 dynamical evolution 53 backscattering 53 fluorophores 53 Dauphas 53 faraway galaxies 53 supermassive stars 53 Andromeda halo 53 polar mesospheric clouds 53 bilayer graphene 53 sized planets orbiting 53 correlated electron 53 red supergiant 53 Red Rectangle 53 planets 53 Heisenberg uncertainty principle 53 deconvolution 53 ionized gas 53 solar nebula 53 Gamma ray bursts 53 fractal patterns 53 planet orbiting 53 energetic electrons 53 sterile neutrinos 53 CMB photons 53 protostar 53 Pieter van Dokkum 53 entangled photons 53 angle resolved photoemission 53 nucleon 53 Relativistic 53 Doppler shifts 53 electron density 53 stimulated emission 53 beamline #.#.# 53 nebular 53 TrES 53 InSAR 53 spectroscopic analysis 53 nebula 53 synchrotron X ray 53 relativistic jets 53 jovian 53 supermassive black holes 53 terahertz radiation 53 spectroscope 53 starquakes 53 CMEs 53 carbonaceous chondrites 53 Trifid Nebula 53 extrasolar planets orbiting 53 nanorings 53 rotational axis 53 gamma ray telescopes 53 transfer FRET 53 gamma ray observatory 53 planets comets 53 Geminga 53 neutron diffraction 53 XMM Newton satellite 53 cosmic microwave radiation 53 CoRoT #b 53 rubidium vapor 53 surface plasmons 53 asteroidal 53 neutron scattering 53 NICMOS 53 interstellar dust 53 Maunder minimum 53 Kailash Sahu 53 Optical Gravitational Lensing Experiment 53 Fritz Zwicky 53 SN Ia 53 nanomechanics 53 ionized particles 53 silicate crystals 53 ESO PR 53 SN#A 53 Spectrograph 53 waveguides 52 magnetic vortices 52 elongated orbits 52 inhomogeneities 52 invisibility cloaking 52 fluorescence quenching 52 high redshift galaxies 52 polar vortex 52 KH #D 52 computational simulations 52 Comet Holmes 52 spectrographs 52 brightnesses 52 Corot 7b 52 chondrules 52 WHIM 52 phyllosilicates 52 supergiant stars 52 red supergiants 52 Active Galactic Nuclei 52 quantum dots 52 SN #E 52 quantum chromodynamics QCD 52 powder diffraction 52 molecular dynamics 52 laser spectroscopy 52 Eta Carinae 52 Milky Way Galaxy 52 neutrino beam 52 surface plasmon resonance 52 coronal mass ejections CMEs 52 heliosphere 52 inhomogeneous 52 magnetosphere 52 J# +# [002] 52 reflection nebula 52 photon counting 52 emit X rays 52 Wilkinson Microwave Probe 52 NGC# 52 infrared telescopes 52 spectral fingerprint 52 reflectance spectroscopy 52 Cancri e 52 Astrophysical Journal 52 radio occultation 52 particle accelerators 52 VLBI 52 Tevatron experiments 52 optical spectroscopy 52 luminosity 52 Bose Einstein Condensate 52 photon energies 52 Gondolo 52 fundamental constants 52 highly collimated 52 accretion disks 52 photon 52 quantum criticality 52 Magnetic Imager HMI 52 plasmonics 52 submillimetre 52 cosmological 52 extrasolar planet 52 BECs 52 electron spins 52 x ray crystallography 52 SCP #F# 52 antiprotons 52 paleomagnetic 52 vibrational spectroscopy 52 polariton 52 Heisenberg Uncertainty Principle 52 excitations 52 infalling 52 scale invariance 52 LSND 52 infrared radiation 52 IR wavelengths 52 Fourier transform 52 quantum metrology 52 Filippenko 52 Fornax cluster 52 SUSY 52 spectra 52 exo planets 52 Orion Nebula 52 arcminutes 52 galaxy redshift 52 filamentary structures 52 Kuiper belt object 52 helium nuclei 52 hot Jupiters 52 gravitationally bound 52 electron microscopy 52 neutral mass spectrometer 52 magnetoresistance 52 Diffraction 52 magnetization 52 galactic collisions 52 gamma ray 52 elliptical galaxy NGC 52 RX J# 52 Adaptive Optics 52 gravitational wobble 52 nanostructure 52 cosmic strings 52 GZK cutoff 52 solar flares 52 supermassive 52 electromagnetically induced transparency 52 proton proton collisions 52 LOFAR 52 Yarkovsky effect 52 thermoelectric materials 52 transiting exoplanet 52 HUDF 52 moons orbiting 52 emitted photons 52 sunspot activity 52 GROND 52 Grillmair 52 SNe Ia 52 infrared astronomy 52 wavefunction 52 tropospheric 52 FRET 52 VISTA telescope 52 fermionic condensate 52 superconducting materials 52 nanobelts 52 Beta Pictoris b 52 YORP 52 constellation Ursa Major 52 exoplanet orbiting 52 manganite 52 Synchrotron radiation 52 aurora 52 unconventional superconductivity 52 Nikku Madhusudhan 52 Earthlike planets 52 magnetic polarity 52 cosmic ray intensity 52 filaments 52 Doppler measurements 52 collisional 52 Alex Filippenko 52 surface plasmon 52 cosmology 52 Mössbauer 51 UDFy # 51 Venusian atmosphere 51 silicon monoxide 51 decoherence 51 jarosite 51 superlattice 51 cometary material 51 AU Mic 51 binary asteroid 51 quantum theory 51 Spitzer infrared spectrograph 51 exosphere 51 ipRGCs 51 inhomogeneity 51 Magellanic Clouds 51 Earth ionosphere 51 photochemistry 51 P/# A2 51 metamaterial 51 parameter estimation 51 David Spergel 51 planetary astronomer 51 observable universe 51 Nima Arkani Hamed 51 Peony nebula star 51 Cepheid variable 51 IceCube 51 Triangulum Galaxy 51 radiative transfer 51 spherically symmetric 51 spiral galaxy 51 La Silla observatory 51 Doppler Effect 51 Metamaterials 51 neutrino oscillations 51 magnetic tweezers 51 smallest exoplanet 51 circumstellar disk 51 coronal mass ejections 51 helium atoms 51 Bok globules 51 evanescent waves 51 baryonic matter 51 scanning tunneling microscopy STM 51 multiwavelength 51 porphyrins 51 BLG #Lb 51 Andromeda Galaxy 51 circularly polarized light 51 JILA scientists 51 V# Mon 51 celestial bodies 51 moonquakes 51 Infrared Thermal Imaging Spectrometer 51 galactic bulge 51 Muons 51 rotating neutron stars 51 relativistic proton dark 51 spherules 51 photons particles 51 telescopes 51 sunspots 51 neutrino mass 51 unpolarized 51 trans Neptunian objects 51 ray Space Telescope 51 Earthlike 51 geoid 51 neutron beams 51 dynamical processes 51 gamma rays emitted 51 Kuiper Belt Objects 51 Solar TErrestrial RElations Observatory 51 subatomic particle 51 astronomical phenomena 51 constellation Cassiopeia 51 Corot 9b 51 theoretical calculations 51 colliding galaxies 51 nanocrystals 51 wavefront 51 Mauna Kea Hawaii 51 Dirac equation 51 Supersymmetry 51 RRATs 51 albedo 51 cryo EM 51 Submillimeter Array 51 constellation Eridanus 51 Comet Hale Bopp 51 radial velocities 51 atoms 51 blue supergiant 51 Bojowald 51 synchrotrons 51 ultrafast lasers 51 Laser Interferometer Gravitational Wave 51 transiting exoplanets 51 planetary nebula 51 MG J# +# 51 intracluster 51 superlenses 51 antiparticles 51 olivine 51 ferroelectricity 51 scanning microscopy 51 transmission electron microscopy 51 asymptotic freedom 51 OGLE TR #b 51 Type Ia supernovas 51 photocatalysis 51 Force Microscopy 51 gravitational attraction 51 X ray spectrometer 51 Martian meteorites 51 X ray crystallography 51 Rossby waves 51 Einstein theories 51 galactic magnetic 51 matter antimatter asymmetry 51 fluorescence excitation 51 microscopy techniques 51 protostars 51 Descent Imager Spectral Radiometer 51 permanently shadowed regions 51 NASA Far Ultraviolet 51 substorms 51 De Pontieu 51 cosmological models 51 radiative cooling 51 SeaWiFS 51 nanomagnets 51 electron proton 51 nanoworld 51 nanostars 51 laser pulse 51 circumstellar 51 MRFM 51 JILA 51 spinels 51 Budker 51 cryo electron microscopy 51 UCO Lick 51 fluorescence spectroscopy 51 nanomechanical 51 TrES 4 51 X ray spectra 51 Pluto Charon 51 Galaxy Evolution 51 physicists 51 superconducting qubit 51 neutrino particles 51 quantum correlations 51 nebulae 51 mineralogical composition 51 Subaru telescope 51 biomineralization 51 dirty snowballs 51 collimated 51 Astrophysics Cambridge Mass. 51 noctilucent 51 superconductivity 51 Krimigis 51 planets orbiting stars 51 planetary transits 51 Cherenkov radiation 51 Astrophysics MOA 51 HiRISE image 51 semiconducting materials 51 carbonate globules 51 X ray microscopy 51 super Earths 51 ESA Cluster 51 particle detectors 51 surface plasmon polariton 50 gold nanorods 50 Galilean moons 50 Spectroscopic 50 Chladni 50 gravitational tugs 50 galaxies collide 50 quantum cascade lasers 50 anthropic 50 micrometer scale 50 superclusters 50 wave particle duality 50 bolometers 50 Hawking Radiation 50 antineutrinos 50 brown dwarf 50 Computer simulations 50 heavy fermion 50 entangled photon pairs 50 carbonate minerals 50 GJ#b 50 bismuth telluride 50 UVIS 50 Mpc 50 quantum oscillations 50 Photoemission 50 supercomputer simulations