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(Click for frequent words.) 75 antihydrogen 68 antimatter atoms 66 rubidium atoms 66 antiprotons 64 antineutrinos 63 antimatter particles 61 helium atoms 61 Rydberg atom 61 muons 60 atoms 60 electron neutrinos 60 X ray pulses 59 hydrogen atoms 59 neutrons 59 millisecond pulsars 59 proton antiproton collisions 59 photons 58 WIMPs 58 axions 58 interstellar dust grains 58 hypervelocity stars 58 positrons 58 muon neutrinos 57 excitons 57 cesium atoms 57 polaritons 57 antiparticle 57 magnesium ions 57 femtoseconds 57 antiparticles 57 sodium atoms 57 ultracold atoms 57 positronium atoms 57 proton proton collisions 56 attoseconds 56 particle detectors 56 Rydberg atoms 56 exoplanets 56 Bose Einstein condensate 56 sunlike stars 56 nucleon 56 optical lattice 56 mesons 56 antiproton 56 strontium atoms 56 Higgs bosons 56 colliding protons 56 gravitons 56 picosecond 56 Bose Einstein condensates 55 geoneutrinos 55 smallest exoplanet 55 interstellar dust particles 55 neutralinos 55 fluorescent molecules 55 atomic nuclei 55 lithium atoms 55 magnetic monopoles 55 dye molecules 55 distant supernovae 55 solar neutrinos 55 cosmic ray particles 55 supersymmetric particles 55 laser pulses 55 protons collide 55 beryllium ions 55 energetic electrons 55 neutrinos 55 protons 55 potassium atoms 54 nucleons 54 muon neutrino 54 cometary particles 54 neutrino 54 SN #gy 54 baryons 54 rubidium atom 54 rubidium vapor 54 sub glacial lakes 54 gravitational microlensing 54 transiting planets 54 laser pulse 54 alpha particles 54 Fermilab Tevatron 54 qubits 54 quantum mechanically 54 particle smasher 54 entangled photons 54 magnetar 54 CERN LHC 54 hydrogen nuclei 54 Martian meteorites 54 supercomputer simulations 54 optical atomic clocks 54 clathrates 54 strange quark 54 particle collisions 54 X ray photons 54 atomic particles 53 molecules 53 Antennae Galaxies 53 peptoids 53 quasiparticles 53 antiferromagnets 53 millisecond pulsar 53 photon fluorescence 53 superheavy elements 53 cometary material 53 luminous galaxies 53 exciton 53 electron spins 53 exoplanetary 53 unconventional superconductivity 53 polystyrene spheres 53 nanoantennas 53 rotifer 53 X ray binaries 53 AGNs 53 planetesimals 53 electrons 53 photon 53 extrasolar planets 53 starburst galaxies 53 bacterial genomes 53 GRBs 53 interacting galaxies 53 tetrahedra 53 attosecond 53 picoseconds 53 magnetars 53 radioactive decay 53 extrasolar worlds 53 gravitational lenses 53 galactic disk 53 nanobubbles 53 synchrotron x ray 53 sunlike star 53 Earthlike planets 53 Magnetars 52 photons particles 52 dipole magnets 52 ultraviolet wavelengths 52 merging galaxies 52 nanoprobe 52 LHC experiments 52 brown dwarfs 52 massless particles 52 infrared laser pulses 52 diffraction patterns 52 proton collisions 52 Alfvén waves 52 substorms 52 entangled qubits 52 antihelium 52 KBOs 52 noble gases 52 subatomic particles 52 SWNTs 52 subatomic particle 52 nanomagnets 52 optical lattices 52 B meson 52 smashing protons 52 atomic nucleus 52 nanocrystals 52 magnetic monopole 52 extrasolar planet 52 nanoprobes 52 quark gluon plasma 52 bdelloids 52 exo planets 52 KamLAND 52 helium ions 52 particles 52 planet orbits 52 multi walled nanotubes 52 metalloproteins 52 planet Gliese #g 52 Alfven waves 52 Bose Einstein Condensate 52 supervolcanoes 52 trillionths 52 pulsars 52 planets orbiting distant 52 nanochannels 52 Viking landers 52 GJ #b [001] 51 moonlets 51 GeV 51 Earth magnetosphere 51 superpositions 51 exoplanets orbiting 51 cosmic phenomena 51 chiral molecules 51 piconewtons 51 evanescent waves 51 quantum particle 51 superfluids 51 galaxy clusters 51 nanopillars 51 dipole moment 51 antineutrino 51 qubit 51 Brookhaven Relativistic Heavy 51 nanoliters 51 WASP #b 51 icy comets 51 hydrogen atom 51 Optical tweezers 51 DNA strands 51 antimatter 51 phyllosilicates 51 photon microscopy 51 radial velocity method 51 extrasolar 51 muon 51 silicon atoms 51 supernovae 51 Earthlike planet 51 globular clusters 51 Higgs particle 51 particle physicists 51 Borexino 51 G#.# +#.# 51 gravitationally bound 51 W bosons 51 solitons 51 Tevatron experiments 51 gamma ray observatory 51 super Earths 51 AB Aurigae 51 Venus transits 51 lunar meteorites 51 nanoliter 51 tau neutrinos 51 nanotubes 51 angstrom resolution 51 x ray pulses 51 photonic crystal 51 Bose Einstein condensate BEC 51 Cabeus crater 51 cosmic particles 51 meson 51 silica nanoparticles 51 neutron spectrometer 51 single celled algae 51 ostracods 51 biological molecules 51 Earthlike 51 reactants 51 X ray binary 50 particle beams 50 neutrino experiments 50 planetary nebulae 50 strange quarks 50 planetary transits 50 alkali atoms 50 electron positron pairs 50 exo planet 50 energetic gamma rays 50 ultracold 50 exoplanetary systems 50 transiting planet 50 substorm 50 Corot 9b 50 poly dA 50 deuterium atoms 50 californium 50 SUSY 50 faint galaxies 50 CERN experiments 50 ultracold gas 50 yeast cells 50 Trojan asteroids 50 bosons 50 helical structures 50 electron beams 50 cobalt atom 50 atom smashers 50 microlenses 50 iron oxide nanoparticles 50 tholins 50 cometary dust 50 ion traps 50 aerosol particles 50 cosmic ray collisions 50 hydroxyl molecules 50 fermions 50 cosmologists 50 antihelium 4 50 quantum superposition 50 ions 50 HARPS spectrograph attached 50 baryonic 50 ultracold temperatures 50 interstellar clouds 50 particles WIMPs 50 quantum particles 50 attosecond pulses 50 interstellar particles 50 lunar craters 50 Beta Pictoris b 50 distant quasars 50 nanotube transistors 50 Bose Einstein condensation 50 QDs 50 proton beams 50 MG J# +# 50 Murchison meteorite 50 supersolid 50 Neutron stars 50 ions electrically charged 50 femtosecond laser pulses 50 beryllium ion 50 photosynthetic organisms 50 observable universe 50 Gamma rays 50 superconducting materials 50 elongated orbits 50 Supernova #A 50 meta atoms 50 gamma ray photons 50 organic molecules 50 millivolts 50 Super Kamiokande 50 single celled microbes 50 seafloor sediments 50 micelles 50 fermionic atoms 50 Fomalhaut b 50 GRB #B 50 pions 50 quasicrystal 50 Microlensing 50 CoRoT 7b 50 nanometers thick 50 VY Canis Majoris 50 globular cluster 50 cosmic rays 50 neutrino oscillation 50 rocky planets 50 nuclei 50 HIP #b 50 JILA scientists 50 nanohorns 50 tokamak 50 spectroscopic analysis 50 chlorophylls 50 planets orbiting stars 50 magnetic reconnection 50 yeast genome 50 radial velocity technique 50 nanometer sized 50 helium nuclei 50 phosphorus atom 50 Higgs boson particle 49 globulars 49 neutralino 49 nanomotors 49 sterile neutrino 49 neutron beam 49 RNA strands 49 deuterium 49 planetary magnetospheres 49 GROND 49 tau neutrino 49 semiconducting nanotubes 49 exosphere 49 microlensing events 49 comets orbiting 49 graphene layers 49 polymer beads 49 silicate dust 49 argon atoms 49 Photons 49 colliders 49 fluorescent probes 49 leptons 49 comet dust 49 photoemission 49 electron spin 49 infrared laser beam 49 PSR J# +# 49 X ray diffraction pattern 49 planets orbiting sun 49 SQUIDs 49 Muons 49 quantum oscillations 49 powerful particle accelerator 49 osmium 49 phosphorus atoms 49 boron atoms 49 ionized particles 49 particle 49 photon pairs 49 electron 49 electrons orbiting 49 martian atmosphere 49 MWCNTs 49 terahertz waves 49 type Ia supernova 49 diffraction pattern 49 quantum bits 49 coral polyps 49 teraelectronvolts TeV 49 RNA molecule 49 CAIs 49 photoactivation 49 Mercury magnetosphere 49 galactic cosmic rays 49 electric dipole 49 hydrophobic molecules 49 Gamma ray bursts 49 habitable planets 49 cavity QED 49 RNA molecules 49 liquid xenon 49 gamma ray burst 49 Type Ia supernovae 49 photon beams 49 photon beam 49 GRB # 49 God Particle 49 nanodroplets 49 neutrino beam 49 fluorescence microscope 49 Oort Cloud 49 HARPS instrument 49 LHCb 49 neutron beams 49 comet particles 49 bolometers 49 comet nucleus 49 physicists 49 graphene sheets 49 electrically conducting 49 type Ia supernovae 49 planets orbiting 49 crystal lattices 49 wavefunction 49 laser irradiation 49 crossbar latches 49 relativistic particles 49 oxidized mercury 49 cyclic peptides 49 superheavy element 49 galaxies collide 49 surface plasmons 49 Kuiper belt objects 49 photosystem 49 quantum dot 49 spatial dimensions 49 spherical nanoparticles 49 solitary locusts 49 GRB# 49 carbonate globules 49 microliters 49 electron positron 49 photomultiplier tubes 49 bosonic 49 spicule 49 Hubble observations 49 krypton atoms 49 Martian craters 49 Ulysses spacecraft 49 dwarf galaxies 49 X ray wavelengths 49 Martian rocks 49 interstellar dust 49 GJ#b 49 dwarf galaxy 49 gravitational interactions 49 GJ #b [002] 49 carbon nanotube transistors 48 RRATs 48 -# degrees Celsius [001] 48 baryon 48 polarimetry 48 Fermi telescope 48 SNe 48 soluble proteins 48 magnetic nanoparticles 48 galactic bulge 48 electron volt 48 THz radiation 48 nanometers billionths 48 rubidium 48 attosecond pulse 48 infrared photons 48 excitations 48 cryogenic temperatures 48 micrometres 48 strangelet 48 Hanny Voorwerp 48 hydrogen isotopes 48 chondrules 48 fermion 48 rotating neutron stars 48 scanning electron microscopes 48 celled organisms 48 carbonate minerals 48 CDMS experiment 48 SN #A 48 micrometer scale 48 microscopic organisms 48 photosynthetic microbes 48 Neutrinos 48 genomic loci 48 HM Cancri 48 graphene sheet 48 chlorophyll molecules 48 neutrino telescope 48 HD #b [002] 48 HD#b 48 boson 48 decoherence 48 biosignatures 48 nanodot 48 meteoritic material 48 hot Jupiters 48 coccolithophores 48 pentaquark 48 fainter objects 48 electron bunches 48 ATLAS detector 48 micrometre 48 xenon atoms 48 radiative cooling 48 dinosaur extinction 48 IceCube 48 superfluid helium 48 electron volts 48 nanotubes nanowires 48 zeolite membranes 48 planets circling 48 antiquarks 48 neutrino detectors 48 RXTE 48 shorter wavelengths 48 trimers 48 cosmic ray 48 TrES 48 supernova explosions 48 moons orbiting 48 Tevatron collider 48 MINOS 48 positron 48 inhomogeneities 48 zeolites 48 membrane proteins 48 optical resonator 48 NEAs 48 millionths 48 impactors 48 PSR J# 48 silicate rocks 48 Bosons 48 distant galaxy 48 controllably 48 theoretical particle 48 giant magnetoresistance GMR 48 planets atmospheres 48 multiwalled carbon nanotubes 48 tokamaks 48 neutron stars 48 weakly interacting 48 x ray beams 48 ultracold polar molecules 48 unicellular organisms 48 nanocages 48 spectroscopically 48 magnetic fields 48 Kuiper Belt Object 48 paramagnetic 48 soliton 48 Arches Cluster 48 dopant atoms 48 ultracold molecules 48 weak gravitational lensing 48 endospores 48 graphene membranes 48 quasicrystals 48 runaway thermonuclear 48 biomolecules 48 photochemical reactions 48 blazar 48 supergiant stars 48 Epsilon Eridani 48 high temperature superconductivity 48 elliptical galaxy 48 stellar occultations 48 ion collisions 48 planets orbits 48 X ray emission 48 helium atom 48 electron orbits 48 minuscule particles 48 baryonic matter 48 strontium titanate 48 electron ion 48 W boson 48 collide protons 48 amplicons 48 nuclides 48 infectious prion protein 48 femtosecond timescale 48 BaBar 48 Gliese #g 48 radiative 48 ionized gas 48 Global Surveyor 48 lunar soil 48 Type Ia supernova 48 BP Piscium 48 extrasolar planetary systems 48 scanning tunneling microscope STM 48 D meson 48 polarized electrons 48 angstrom 48 phonon 48 Fermilab accelerator 48 optical tweezers 48 sterile neutrinos 48 icy moons 48 worm Caenorhabditis elegans 48 subatomic 48 silicon monoxide 48 Oganessian 48 supernovae explosions 48 radial velocity measurements 48 Bullet Cluster 48 diamagnetic 48 Feshbach resonance 48 proton 48 Oort cloud 48 Kepler spacecraft 48 quantum dots 48 electrons behave 48 prokaryote 48 paramecia 48 Martian rovers 48 Big Bang Machine 48 buckyball 48 Gliese #d 48 Kuiper Belt Objects 48 Jupiter magnetosphere 48 hadrons 48 microbubbles 48 proton decay 47 transcriptomics 47 femtosecond pulses 47 protocells 47 valence electrons 47 meteoroids 47 nanoshells 47 lunar crust 47 polariton 47 kelvin 47 alpha particle 47 pollen grains 47 proton antiproton 47 Schrödinger cat 47 foraminifera 47 afterglows 47 nanobacteria 47 particle physics experiments 47 Nasa spacecraft 47 unpaired electrons 47 radial velocity 47 ENAs 47 buckyballs 47 photon energies 47 single celled organisms 47 liquid helium 47 oxygen atoms 47 starquakes 47 distant galaxy clusters 47 kaons 47 silicon nanowire 47 emit X rays 47 emit photon 47 bilayer graphene 47 unpolarized 47 photon absorption 47 nanospheres 47 entangled quantum 47 B mesons 47 planemos 47 intrinsic brightness 47 vanadium dioxide 47 ultrashort laser pulses 47 Adam Riess 47 Noctilucent clouds 47 planetary embryos 47 novae 47 micrometer sized 47 protoplanets 47 molecule 47 brown dwarf 47 superconductivity 47 missing baryons 47 Stellacci 47 nanosheets 47 bacterial enzymes 47 Venusian atmosphere 47 V# Mon 47 cesium vapor 47 magnetic beads 47 detect gamma rays 47 colloidal crystals 47 photosynthetic protein 47 quantum bits qubits 47 Hawking radiation 47 oppositely charged 47 unmanned probes 47 superlens 47 Mott insulators 47 catalytically active 47 carbon nanotube bundles 47 undiscovered particle 47 protoplanetary disk 47 dimensional nanostructures 47 nanolaser 47 ionized molecules 47 spontaneous fission 47 Particle physicists 47 gecko hairs 47 nucleobases 47 galactic cores 47 emits photons 47 particle colliders 47 Globular clusters 47 colloidal nanocrystals 47 X ray telescopes 47 vortices 47 Hangst 47 silicate minerals 47 microparticles 47 Shewanella 47 amorphous silica 47 TGFs 47 manganese atoms 47 resonance frequency 47 neutron radiation 47 hadron collider 47 micrometers thick 47 yttrium barium copper 47 interstellar grains 47 solar corona 47 deep convective clouds 47 planets astronomers 47 Gisela Winckler 47 BaBar experiment 47 optical microscopes 47 water vapor 47 bacterial spores 47 walled carbon nanotubes 47 Cosmic Microwave Background CMB 47 astronomical objects 47 unpaired electron 47 brightest supernova 47 frequency combs 47 nanoribbons 47 Raman spectra 47 kerogen 47 quantum tunneling 47 xenon atom 47 NASA Wilkinson Microwave 47 cosmic neutrinos 47 proton particles 47 electrons positrons 47 nucleotide substitutions 47 spicules 47 WMAP satellite 47 nucleotide bases 47 chemical reactants 47 frequency comb 47 emit gamma rays 47 microbial ecosystems 47 microwave photons 47 macromolecule 47 UDFy # 47 magnetosphere 47 quantum phenomena 47 diamond anvils 47 graphane 47 chemically reactive 47 carbon nanotubes 47 colloidal particles 47 ribozyme 47 oxygen atom 47 interstellar molecules 47 biomolecule 47 elemental composition 47 IBEX spacecraft 47 spectroscope 47 elliptical galaxies 47 XMM Newton 47 planets 47 carbon cenospheres 47 berkelium 47 calcium ions 47 interferograms 47 inhabitable planets 47 mutant proteins 47 tardigrades 47 BP Psc 47 planet HD #b 47 chlorosomes 47 red supergiants 47 magnetic flux 47 fluorescent nanoparticles 47 extrasolar planets orbiting 47 resonant cavity 47 Cosmic rays 47 Gamma ray burst 47 nanosize 47 calcite crystals 47 Type Ia supernovas 47 nanotube 47 chromophores 47 Super Earths 47 Io volcanoes 47 supercollider 47 magneto resistance 47 stellar nurseries 47 VLTI 47 scanning tunneling microscopes 47 quantum entanglement 47 filaments 47 Aquasar 47 SWCNTs 47 nitrogen atoms 47 spherical particles 47 microlensing 47 Mott insulator 47 femtosecond 47 submillimeter wavelengths 47 active galactic nuclei 47 spectroscopic techniques 47 trillionth 47 zinc ions 47 dwarf spheroidal galaxies 47 Heliospheric Observatory SOHO 47 Kailash Sahu 47 ab initio calculations 47 Eemian 46 GPa 46 microscopy techniques 46 fluorescent dyes 46 Saturn magnetosphere 46 proto planetary disk 46 astrophysicists 46 Hubble Space Telescope HST 46 experimentally 46 astro comb 46 superfluid 46 fluorescent quantum dots 46 moon Mimas 46 D. radiodurans 46 Planck spacecraft 46 microbots 46 magnetic particles 46 nucleotide sequences 46 Corot 7b 46 Huygens descent 46 hydrogen ions 46 superparamagnetic 46 dimer 46 magnetic anisotropy 46 cosmological distances 46 Hot Jupiters 46 redshifts 46 extragalactic 46 nanolasers 46 prebiotic molecules 46 hydrides 46 Galileo spacecraft 46 graphite whiskers 46 Crab Pulsar 46 Collider Detector 46 cesium ions 46 J# +# [002] 46 Saturn rings 46 electron pairs 46 neutrino physics 46 Wolszczan 46 gravitationally 46 hexamers 46 Kepler #b 46 spherically symmetric 46 oscillations 46 emits X rays 46 gamma ray photon 46 electron volts eV 46 lincRNAs 46 galaxy cluster 46 hyperpolarized xenon 46 Ordovician extinction 46 protoplanet 46 Rosette Nebula 46 circumstellar 46 donor acceptor 46 toroid 46 Bessel beam 46 quadrillionths 46 MPc 46 resonant frequencies 46 metastable 46 ALH# 46 silica particles 46 spatulae 46 Cosmic ray 46 Convection Rotation 46 Saturn outermost ring 46 HESS telescopes 46 SWCNT 46 quarks 46 topological defects 46 CoRoT 9b 46 femtosecond laser pulse 46 thermodynamically stable 46 LHC accelerator 46 nonlinear optical 46 abiogenesis 46 spatially resolved 46 synchrotron X ray 46 galaxies 46 oxygen ions 46 ALICE experiment 46 gamma rays emitted 46 optical wavelengths 46 electron neutrino 46 -# degrees Fahrenheit [002] 46 detect neutrinos 46 astrophysical objects 46 gold nanorods 46 ionized gases 46 airbursts 46 methanogens 46 Keck Interferometer 46 comet Wild 46 Gliese #c 46 Peony nebula star 46 X ray beams 46 planet WASP #b 46 beamline 46 HIRES spectrometer 46 picogram 46 RNA transcripts 46 superconduct 46 photons emitted 46 laser excitation 46 conventional superconductors 46 nanodiamonds 46 infrared radiation 46 microcantilevers 46 CoRoT satellite 46 Einstein equations 46 terahertz frequencies 46 Higgs Boson particle 46 Cosmologists 46 microquasar 46 martian meteorites 46 permanently shadowed 46 basaltic rocks 46 Compact Muon Solenoid CMS 46 cesium atom 46 methane hydrates 46 Tevatron accelerator 46 infrared laser beams 46 hypervelocity star 46 distant supernovas 46 Cancri e 46 magnetic vortices 46 COROT 46 photoionization 46 photonic crystal fiber 46 electro optic modulator 46 galaxy redshift 46 TrES 4 46 FRET 46 uncharged particles 46 multiphoton 46 ROSAT 46 SMBHs 46 mRNA molecules 46 nanoparticles 46 oscillating magnetic 46 Cepheids 46 superconductive 46 Goldilocks planet 46 ultrasonic frequencies 46 glows brightly 46 bacterial genome 46 fluorophores 46 watt lightbulb 46 supernova explosion 46 orbitals