Related by context. All words. (Click for frequent words.) 73 elongated orbits 72 circumstellar disk 72 protostar 72 circumstellar 71 elliptical galaxy 71 planets orbits 71 gravitational interaction 70 protoplanets 70 Neutron stars 70 protoplanetary disk 70 gravitational interactions 70 accretion disk 70 blue supergiant 70 silicate dust 70 rotational axis 69 infall 69 galaxy NGC 69 VY Canis Majoris 69 magnetotail 68 photosphere 68 red supergiant 68 circumstellar disks 68 X ray emission 68 interstellar clouds 68 moonlet 68 helium atoms 68 WASP #b 68 accretion disks 68 emit X rays 67 collisional 67 blue straggler 67 galactic halo 67 ionized gas 67 sodium atoms 67 Hot Jupiters 67 lensing galaxy 67 silicon monoxide 67 spherical halo 67 Jupiter magnetosphere 67 energetic electrons 67 gravitational tides 66 exosphere 66 dense clumps 66 microquasar 66 supernova explosion 66 galaxy M# [002] 66 ejecta 66 planet orbits 66 velocity dispersion 66 electrons orbiting 66 dwarf galaxy 66 magnetospheric 66 planetary nebulae 66 planetary nebula 66 AB Aurigae 66 infalling 66 infalling gas 66 moon Io 66 RS Ophiuchi 66 starburst galaxy 66 starburst galaxies 66 helium nuclei 66 X ray binary 66 X ray pulses 66 Milky Way halo 66 emission nebula 66 comet Tempel Tuttle 66 constellation Cassiopeia 66 Oort cloud 66 Wolf Rayet star 66 Fornax cluster 66 constellation Hercules 65 Oort Cloud 65 ionized gases 65 relativistic particles 65 nebular 65 Upsilon Andromedae 65 spiral galaxy NGC 65 millisecond pulsar 65 galactic clusters 65 ionized hydrogen 65 planetesimals 65 interstellar medium 65 X ray emitting 65 gravitational tugs 65 Planetary nebulae 65 precessing 65 moon Mimas 65 gravitationally 65 filamentary 65 polar vortex 65 magnetopause 65 filamentary structures 65 gamma ray emission 65 galaxy cluster 65 chromosphere 65 Doppler shifts 65 red supergiants 64 HL Tau 64 spinning neutron 64 interstellar dust clouds 64 eccentric orbits 64 AGNs 64 galactic bulge 64 Bullet Cluster 64 eclipsing binary 64 galactic cosmic rays 64 GeV 64 neutralinos 64 Carina constellation 64 globulars 64 Comet Tempel Tuttle 64 neutron star 64 magnetosphere 64 magnetar 64 GJ#b 64 active galactic nuclei 64 Earth magnetotail 64 circular orbits 64 X ray binaries 64 Virgo Cluster 64 Fomalhaut b 64 protostars 64 antiprotons 64 HM Cancri 64 foreground galaxy 64 proto planetary disk 64 solar nebula 64 electron orbits 64 Orion nebula 64 coronal loop 64 Gravitational waves 64 galaxy clusters 64 GJ #b [002] 64 lithosphere 64 prograde 63 outer layers 63 Kuiper belt 63 runaway thermonuclear 63 V# Mon 63 stellar nurseries 63 reflection nebula 63 moonlets 63 Trifid Nebula 63 Bug Nebula 63 Coma Cluster 63 torus 63 active galactic nucleus 63 supernova explosions 63 ionized particles 63 lunar crust 63 sunlike star 63 SMBH 63 constellation Ursa Major 63 cosmic ray particles 63 jovian 63 Epsilon Eridani 63 Earth radii 63 retrograde orbit 63 vortices 63 filamentary structure 63 interacting galaxies 63 Lagoon Nebula 63 rotating neutron stars 63 supergiant star 63 constellation Centaurus 63 Epsilon Aurigae 63 W boson 63 protoplanet 63 ionised 63 GQ Lupi 63 baryonic 63 tidally 63 Cepheids 63 gravitationally bound 63 observable universe 63 metallicity 63 Triangulum 63 heliosheath 63 interstellar cloud 63 Sagittarius dwarf galaxy 63 Gamma rays 63 highly magnetized neutron 63 kaons 63 ULIRGs 63 merging galaxies 63 icy moons 63 tidal tails 63 asthenosphere 63 lowermost mantle 63 SN #A 63 orbiting planets 63 volcanic moon Io 63 nucleon 63 polaritons 63 spiral galaxies 63 Earth magnetosphere 62 Trojan asteroids 62 arcseconds 62 TrES 4 62 Red Rectangle 62 magnetic dynamo 62 Wolf Rayet stars 62 CoRoT #b 62 redshifted 62 Saturnian moon 62 Saturn magnetosphere 62 distant quasar 62 constellation Virgo 62 constellation Andromeda 62 chondrules 62 galactic cores 62 post perovskite 62 Beta Pictoris 62 gravitational slingshot 62 luminous galaxies 62 relativistic jets 62 exoplanets orbiting 62 silicon atoms 62 Tauri Sb 62 filaments 62 Virgo cluster 62 blazar 62 spherically symmetric 62 protoplanetary disks 62 X ray wavelengths 62 Geminga 62 constellation Carina 62 martian atmosphere 62 oppositely directed 62 impactors 62 HD#b 62 blazars 62 giant elliptical galaxy 62 constellation Aquarius 62 Circinus X 1 62 moons orbiting 62 galaxies collide 62 Kuiper belt objects 62 globular cluster 62 spiral galaxy 62 spheroidal 62 millisecond pulsars 62 ionised gas 62 RX J# 62 dwarf galaxies 62 dipolar 62 Jovian moons 62 sunlike stars 62 Rosette Nebula 62 Antennae Galaxies 62 Ulysses spacecraft 62 electrons positrons 62 Tempel Tuttle 61 cosmological distances 61 giant elliptical galaxies 61 weakly interacting 61 R Coronae Borealis 61 nucleons 61 Cosmic rays 61 ionise 61 dwarf spheroidal galaxies 61 nuclei 61 magnetars 61 Type Ia supernova 61 luminosities 61 cometary material 61 substorm 61 supernova remnants 61 exoplanet orbiting 61 NGC #A 61 type Ia supernova 61 Omega Centauri 61 J# +# [002] 61 basaltic rocks 61 magma ocean 61 lightwaves 61 asteroidal 61 elliptical galaxy NGC 61 electron density 61 planetesimal 61 spacetime 61 baryon 61 dipole moment 61 Andromeda galaxy 61 rotating neutron 61 comet tail 61 mesosphere 61 molten magma 61 intrinsic brightness 61 magnetic dipole 61 Eta Carinae 61 plasmasphere 61 Magellanic Clouds 61 cluster NGC 61 pions 61 gravitational radiation 61 orbits Saturn 61 accreting 61 comets orbiting 61 HD# [002] 61 planet WASP #b 61 nebulosity 61 planetary orbits 61 VHE gamma rays 61 Mpc 61 Sagittarius B2 61 elliptical orbits 61 protoplanetary discs 61 Comet Halley 61 transiting planet 61 gaseous planet 61 Veil Nebula 61 prominences 61 dynamical evolution 61 quantum particle 61 Milky Way Galaxy 61 Arches Cluster 61 downwelling 61 magnetized plasma 61 nebula 61 galaxy 61 quasar 61 UV photons 61 interstellar dust 61 constellation Sagittarius 61 strange quark 61 solar corona 60 ultracold gas 60 distant galaxy 60 airglow 60 ENAs 60 ultraviolet photons 60 planet HD #b 60 supernova remnant 60 crystal lattices 60 crustal plates 60 crustal rocks 60 hydrogen nuclei 60 galaxy M# [001] 60 TrES 60 meteoritic material 60 spacecraft flyby 60 Zeta Ophiuchi 60 gravitational attraction 60 HII regions 60 planet magnetosphere 60 KBOs 60 relativistic protons 60 proplyds 60 deuterium atoms 60 protoplanetary 60 atomic nuclei 60 W bosons 60 sunward 60 Fig. 1a 60 AU Mic 60 nucleosynthesis 60 interstellar dust grains 60 superdense 60 CoRoT 7b 60 retrograde orbits 60 crystallites 60 Carina Nebula 60 graphene sheet 60 cobalt atom 60 constellation Cetus 60 Bok globules 60 Toutatis 60 shorter wavelengths 60 cosmic cannibal 60 Hanny Voorwerp 60 galaxies 60 Syrtis Major 60 toroid 60 polariton 60 colloidal crystals 60 crystalline silicates 60 Saturn rings 60 Comet Holmes 60 Saturn outermost ring 60 midlatitudes 60 gravitational tug 60 Fermi telescope 60 elliptical galaxies 60 globular clusters 60 ejecta blanket 60 Orion constellation 60 photon energies 60 magnetic fields 60 backscattered 60 sun corona 60 Hyades cluster 60 orbits 60 P/# A2 60 Earth ionosphere 60 sized planets orbiting 60 exoplanetary 60 comet orbit 60 helium ions 60 Supernova #A 60 supermassive black hole 60 antiparticle 60 supernovae explosions 60 tholins 60 proto cluster 60 exo planets 60 NGC# 60 Io volcanoes 60 gaseous envelope 60 planet Gliese #c 60 solar prominences 60 BP Piscium 60 cometary debris 60 vorticity 60 ultraviolet wavelengths 60 unpolarized 60 tensile stress 60 arcsecond 60 SNR #-#.# 60 magnetic flux 60 micrometer scale 60 gamma ray flares 60 particles WIMPs 60 icy comets 60 inhomogeneous 59 Swift Tuttle 59 antiparallel 59 mesons 59 elongated orbit 59 coronal loops 59 gravitational perturbations 59 MG J# +# 59 meteoroids 59 electron neutrinos 59 coronal holes 59 superluminal 59 interstellar magnetic 59 Iapetus 59 globular cluster M# 59 diffraction patterns 59 stellar occultation 59 CMB photons 59 gravity warps 59 delocalized 59 solitons 59 tidal bulge 59 gamma rays emitted 59 wavefronts 59 supermassive 59 exciton 59 muons 59 Pegasi 59 coronal mass ejections CMEs 59 constellation Puppis 59 radial velocity 59 filament 59 interstellar particles 59 ultradense 59 cosmic ray flux 59 heliospheric 59 Fig. 2b 59 Higgs bosons 59 magnetic monopoles 59 diffuse aurora 59 periodic dimming 59 Bose Einstein condensates 59 highly collimated 59 ferric oxides 59 Pluto Charon 59 paramagnetic 59 Trapezium 59 constellation Scorpius 59 photoemission 59 mantle plumes 59 hydrogen atoms 59 Eridani 59 gravitational pulls 59 orbital angular momentum 59 Type 1a supernovae 59 plagioclase 59 circumstellar dust 59 Tarantula nebula 59 Small Magellanic Cloud 59 neutron stars 59 inhomogeneities 59 Venusian atmosphere 59 rubidium vapor 59 zodiacal light 59 Milky Way galaxy 59 Crab pulsar 59 crystal lattice 59 linearly polarized light 59 gravitational acceleration 59 zodiacal dust 59 branes 59 Andromeda Galaxy 59 RS Oph 59 electronic excitations 59 Beta Pictoris b 59 antineutrinos 59 IRC +# 59 topological defects 59 Churyumov Gerasimenko 59 orbital eccentricity 59 Magnetars 59 chlorine atom 59 chlorine monoxide 59 diffract 59 Chi Cygni 59 axions 59 magnetization 59 axial tilt 59 starquakes 59 gluon 59 Bose Einstein Condensate 59 gravitational 59 hadron 59 tropopause 59 Alfven waves 59 comet nucleus 59 Muons 59 Corot 9b 59 silicate rocks 59 Gliese #e 59 visible wavelengths 59 moon Enceladus 59 antiparticles 59 alpha particles 59 moon Ganymede 58 interstellar space 58 Kuiper Belt Objects 58 photochemical reactions 58 orbitals 58 celestial sphere 58 SN#A 58 optical wavelengths 58 GALEX 58 gaseous planets 58 macroscopically 58 #P/Churyumov-Gerasimenko 58 energetic gamma rays 58 silicate minerals 58 Jovian atmosphere 58 quasicrystal 58 nanomesh 58 Magellanic Stream 58 muon neutrinos 58 protoplanetary disc 58 YORP effect 58 manganese atoms 58 orbital resonance 58 ionized oxygen 58 meteoroid 58 spirals inward 58 advection 58 ecliptic plane 58 mineral olivine 58 olivine mineral 58 Kepler 9c 58 inner Oort Cloud 58 emits X rays 58 millimeter wavelength 58 IRAS #-# 58 galaxy formation 58 helium atom 58 Upsilon Andromedae b 58 electron positron 58 intermolecular forces 58 constellation Taurus 58 Kelvin Helmholtz 58 electron neutrino 58 extrasolar 58 distant supernovae 58 aurorae 58 ellipsoids 58 supercurrent 58 ionize 58 double helix nebula 58 Delta Cephei 58 atoms 58 transiting exoplanet 58 Milky Way 58 rubidium atoms 58 silicate mantle 58 albedo reflectivity 58 gravitational wobbles 58 electromagnetic flux 58 KH #D 58 Martian dust 58 electron positron pairs 58 colliding galaxies 58 felsic tuff 58 Eagle Nebula 58 fainter objects 58 anticyclonic 58 X ray telescopes 58 antimatter particles 58 bosonic 58 femtosecond timescale 58 XTE J# 58 submicrometer 58 comet 58 superfluids 58 cm -3 58 glows brightly 58 slender crescent 58 supercontinents 58 isotherms 58 arcsec 58 proton antiproton 58 planets asteroids 58 cm -1 58 afterglows 58 poleward 58 planetary embryos 58 periodicities 58 Saturn moon Mimas 58 cratons 58 crustal plate 58 GRB #B 58 electrons emitted 58 Kuiper Belt objects 58 silicate grains 58 ferromagnet 58 convective 58 longwave radiation 58 cobalt atoms 58 Henize #-# 58 Crab Nebula 58 extragalactic 58 Doradus 58 solar radii 58 granitoids 58 z = 58 gravitational tidal 58 constellation Pegasus 58 zodiac constellations 58 wavefunction 58 relativistic speeds 58 collagen fibrils 58 polypeptide chain 58 rubidium atom 58 stellar occultations 58 ellipsoidal 58 nebula NGC 58 Reiner Gamma 58 transiting planets 58 magnetic excitations 58 spontaneous fission 58 penumbral shadow 58 infrared laser beam 58 constellation Auriga 58 x ray beam 57 Pleiades star 57 Saturnian moons 57 SN #gy 57 impactor spacecraft 57 volcanic plumes 57 Jupiter moon Io 57 thermal gradients 57 Comet 9P/Tempel 1 57 superfluid 57 galaxy redshift 57 Galactic cosmic rays 57 Maunder minimum 57 occultations 57 deep convective clouds 57 Comet Hartley 57 thermosphere 57 convection currents 57 barred spiral galaxy 57 Galileo spacecraft 57 CMB radiation 57 evanescent waves 57 radioactive decay 57 angular momentum 57 quantum tunneling 57 neutrino mass 57 silicates 57 Ring Nebula 57 trans Neptunian objects 57 diffraction pattern 57 Saturn outermost 57 baryonic matter 57 hot Jupiters 57 HD #b [002] 57 perihelion 57 grabens 57 spicule 57 supermassive black holes 57 nebulae 57 IR wavelengths 57 radial velocities 57 umbral shadow 57 supergiant stars 57 superfluid helium 57 magnetic polarity 57 infalling matter 57 magnetic reconnection 57 asterism 57 hydrogens 57 volcanic plume 57 keV 57 superdense neutron star 57 lithospheric 57 GRBs 57 proto galaxies 57 radiative cooling 57 Gemini constellation 57 planets Uranus 57 1μm 57 Deep Impact craft 57 pulsar 57 B mesons 57 radial velocity technique 57 distant galaxies 57 star Gliese 57 spherical particles 57 ecliptic 57 SN #D 57 electron spins 57 Pleiades cluster 57 van der Waals interactions 57 excitons 57 vibrational modes 57 tropospheric 57 elastic deformation 57 heliosphere 57 TNOs 57 hadrons 57 diffraction grating 57 arcminutes 57 supersymmetric particles 57 auroral 57 gravitational lens 57 aerosol particles 57 electron orbitals 57 photons emitted 57 alpha particle 57 Cosmic Microwave Background 57 supernova SN 57 potassium atoms 57 ion collisions 57 UV wavelengths 57 Shackleton crater 57 compressive stress 57 polar latitudes 57 lattice vibrations 57 cometary impacts 57 Mercury exosphere 57 martensite 57 GJ #b [001] 57 gamma ray photons 57 Si substrate 57 Rossby waves 57 neutrons 57 excitations 57 ionizes 57 conduction electrons 57 massless particles 57 micrometer sized 57 type Ia supernovae 57 spatially resolved 57 distant quasars 57 Gamma ray bursts 57 Ultraviolet radiation 57 Helix Nebula 57 mu Arae 57 BP Psc 57 Cancri e 57 ultraviolet wavelength 57 carbonate minerals 57 Kuiper belt object 57 compressional 57 stony meteorites 57 Cat Paw Nebula 57 circularly polarized light 57 Beehive Cluster 57 colliding protons 57 heavily cratered 57 outermost layers 57 micrometre sized 57 Candor Chasma 57 galactic magnetic 57 Spiral galaxies 57 cosmic ray protons 57 GPa 57 RRATs 57 gravitons 57 Fig. 4B 57 interferogram 57 Rydberg atom 57 Michelson interferometer 57 superlattice 57 cirrus cloud 57 phonon 57 asteroids comets 57 auroral oval 57 Stephan Quintet 57 electron diffusion 57 lithium atoms 57 planets moons 57 sulfur atoms 57 Globular clusters 57 ion thrusters 57 X ray afterglow 57 galactic equator 57 micron wavelengths 57 Tycho supernova remnant 57 highly elliptical orbit 57 crustal 57 star Proxima Centauri 57 galactic mergers 57 SNe Ia 57 galactic cosmic radiation 57 subsurface ocean 57 CAIs 57 planetoids 57 Hellas Basin 57 oxygen ions 57 constellation Ophiuchus 57 Supernovae 56 celestial equator 56 auroral displays 56 particle acceleration 56 quantum superposition 56 soliton 56 outermost planets 56 parsec 56 hypervelocity stars 56 rocky planets 56 californium 56 metastable 56 magnetic monopole 56 Geminid meteors 56 cosmic strings 56 Saturn Uranus 56 diamagnetic 56 planet orbiting 56 sterile neutrinos 56 SNe 56 valence electron 56 gamma rays 56 Jupiter Ganymede 56 gravitational redshift 56 constellation Cygnus 56 amorphous calcium carbonate 56 electron scattering 56 gravitational microlensing 56 gamma ray emitting 56 heterogeneities 56 sterile neutrino 56 frictional resistance 56 phonons 56 meridional 56 anisotropy 56 nanorod 56 Coma cluster 56 Galilean moons 56 poly dA 56 tetrahedra 56 constellation Cepheus 56 redshift 56 Methone 56 Comet Hartley 2 56 photocurrent 56 diffracted 56 novae 56 inner asteroid belt 56 Rydberg atoms 56 cosmic rays 56 Type 1a supernova 56 corona 56 nanobelts 56 microcrystals 56 microcavities 56 collimated 56 microcavity 56 supernova 56 Perseus Cluster 56 Seyfert galaxies 56 cosmic ray 56 waxing gibbous moon 56 submillimetre wavelengths 56 terrestrial planets 56 PKS #-# 56 upper troposphere 56 helicity 56 diffracting 56 redshifts 56 antiferromagnets 56 GRB# 56 intracluster 56 Tectonic plates 56 planet Uranus 56 SMBHs 56 Noctilucent clouds 56 Drygalski ice tongue 56 faint galaxies 56 electron orbiting 56 Quadrantid 56 planetary nebulas 56 proton proton collisions 56 dense neutron stars 56 gravitational wobble 56 planets orbiting distant 56 planet transits 56 troposphere 56 emitted photons 56 hyperfine 56 quantum mechanically 56 velocities 56 constellation Perseus 56 constellation Coma Berenices 56 meridional flow 56 fissions 56 sediments deposited 56 Jovian moon 56 SMM J# 56 B meson 56 IRAS 4B 56 fermion 56 WIMPs 56 neutralino 56 positrons 56 thrust faulting 56 interferometers 56 lunar craters 56 gibbous 56 binary asteroids 56 stellar seismology 56 photoluminescence 56 planemos 56 lunar highlands 56 Lyman alpha 56 comet McNaught 56 coronagraph 56 supernovae 56 SN #C 56 bilayer graphene 56 Type Ia supernovae 56 planetary magnetospheres 56 interplanetary dust 56 occulted 56 coronal hole 56 globular star 56 planets orbiting sun 56 spinning pulsar 56 overlying layers 56 remanent 56 oceanic plates 56 Epsilon Indi 56 particles 56 spectroscopically 56 infrared wavelength 56 strangelet 56 heliopause 56 microcracks 56 turbidites 56 Kuiper Belt Object 56 Tarantula Nebula 56 phosphorus atom 56 HIP #b 56 lunar equator 56 continental crust 56 subatomic particle 56 NEAs 56 X ray diffraction pattern 56 spectral measurements 56 electron beams 56 quasiparticle 56 synchronous orbit 56 GZK cutoff 56 neighboring Andromeda galaxy 56 spherical shell 56 thermonuclear reactions 56 solar neutrinos 56 actin filaments 56 star Spica 56 ductile deformation 56 PSR J# 56 inhabitable planets 56 Z boson 56 fermionic atoms 56 radiative 56 planets comets 56 water vapor condenses 56 OGLE TR 55 constellation Lyra 55 Fig. 1b 55 Saturnian 55 Olympus Mons 55 proton proton 55 quasiparticles 55 QQ# 55 lavas 55 X ray photons 55 Saturn moon Enceladus