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(Click for frequent words.) 66 spontaneous fission 64 antineutrinos 64 noble gases 64 atomic nuclei 64 solar nebula 63 alpha particles 63 primitive meteorites 63 helium nuclei 62 photochemical reactions 61 neutrons 61 nucleosynthesis 61 isotopic ratios 61 osmium 61 superheavy elements 61 atoms 61 isotope fractionation 60 chondrules 60 isotopic composition 60 protoplanetary disk 60 helium atoms 60 weakly interacting 60 supernova explosions 60 gamma rays emitted 60 supernova explosion 60 interstellar clouds 59 fissioning 59 silicate dust 59 CAIs 59 fission reactions 59 solar neutrinos 59 sulfate aerosol 59 chemical reactions 59 polaritons 59 planetesimals 59 ionise 59 isotope ratios 59 carbonate minerals 58 strange quark 58 carbonate globules 58 hydroxyl radicals 58 dynamical evolution 58 fission 58 quantum electrodynamics 58 antiferromagnets 58 Cosmic Microwave Background CMB 58 antiprotons 58 X ray pulses 58 electron neutrinos 57 chemically reactive 57 crystallites 57 radioactive nuclei 57 galactic disk 57 chlorine monoxide 57 magma ocean 57 alpha particle 57 mesons 57 antineutrino 57 meteoritic material 57 nuclides 57 silicon monoxide 57 helium atom 57 proton decay 57 interstellar medium 57 ionized particles 57 single celled algae 57 galactic cosmic rays 57 ultracold temperatures 57 metastable 57 kaons 57 baryonic 57 post perovskite 56 nebular 56 WASP #b 56 cosmic rays 56 nuclei 56 fissionable 56 fission reactor 56 geoneutrinos 56 W boson 56 hydrogen atoms 56 isotope composition 56 quark gluon plasma 56 redox reactions 56 meteorite impacts 56 superheavy element 56 photon energies 56 particle acceleration 56 elemental abundances 56 colloidal crystals 56 nucleon 56 magnetic fields 56 chondritic 56 supernovae 56 ceria 56 neutrinos 56 subatomic particles 56 matter antimatter asymmetry 55 cosmic radiation 55 Bose Einstein condensation 55 exothermic reaction 55 planet Gliese #c 55 quantum oscillations 55 silicate 55 silicate minerals 55 decoherence 55 chondrites 55 atmospheric methane 55 deuterium 55 AB Aurigae 55 subatomic particle 55 protostar 55 Muons 55 uranium thorium 55 amorphous silica 55 absorb neutrons 55 tholins 55 oxygenic photosynthesis 55 actinides 55 hydroxyl radical 55 californium 55 gamma ray emission 55 protoplanet 55 circumstellar 55 nonradioactive 55 strange quarks 55 neodymium Nd 55 lithosphere 55 colliding protons 55 Neutron stars 55 Gamma rays 55 starburst galaxies 55 intermetallic 55 neutralinos 55 isotopic 55 iron arsenide 55 perovskite 55 martian meteorites 55 Ultraviolet radiation 55 Mercury magnetosphere 55 hydrogen isotopes 55 wavefunction 55 coccolithophores 55 ultracold 55 chlorine atom 55 Bose Einstein condensates 55 hydrogen nuclei 55 basaltic rocks 55 supersolid 55 thermal decomposition 55 hydrides 55 cuprate superconductors 55 magnetospheric 55 ions electrically charged 55 clathrates 55 protons 55 Magnetic reconnection 55 hydroxyl molecules 55 spectroscopic analysis 55 electrons protons 55 collisional 55 frictional heating 55 thermal gradients 55 nanobubbles 55 thermodynamic properties 54 lunar meteorites 54 fermion 54 GJ#b 54 asteroidal 54 hydrogen ions 54 THz radiation 54 CMB radiation 54 germanium antimony 54 oxidising 54 subatomic 54 Epsilon Eridani 54 Type Ia supernovas 54 silicate mantle 54 quantum particle 54 cosmogenic 54 subsurface ocean 54 carbonaceous chondrites 54 Cosmic Microwave Background 54 Spitzer infrared spectrograph 54 UV photons 54 BP Piscium 54 rubidium vapor 54 atmospheric aerosols 54 substorm 54 axial tilt 54 electrical conductance 54 relativistic particles 54 Alfven waves 54 Type Ia supernova 54 element boron 54 bosonic 54 comets asteroids 54 ejecta 54 formamide 54 paramagnetic 54 silicate grains 54 silicate rocks 54 earth crust 54 Higgs bosons 54 cesium atom 54 antiparticles 54 radiative 54 Saturn magnetosphere 54 chemical reactivity 54 elongated orbits 54 meridional flow 54 gravitational radiation 54 SN #gy 54 rubidium 54 organic molecules 54 sulfur isotope 54 Ionic liquids 54 Hawking radiation 54 ULIRGs 54 superfluids 54 antiquarks 54 axions 54 radiative cooling 54 muons 54 cesium atoms 54 homochirality 54 intrinsic brightness 54 infalling 54 type Ia supernova 54 baryons 54 stony meteorites 54 zeolites 54 planetary nebula 54 protoplanets 54 equilibration 54 planetary nebulae 54 magnetar 54 X ray binaries 54 carbon isotopes 53 decays 53 coronal mass ejections CMEs 53 metallicity 53 particles emitted 53 thermal inertia 53 Maunder minimum 53 emit X rays 53 molten magma 53 neutron stars 53 phyllosilicates 53 ultra violet radiation 53 Alfvén waves 53 alkali metal 53 X ray emission 53 infall 53 nanomagnets 53 reionization 53 protoplanetary 53 Mott insulators 53 shear modulus 53 spectral measurements 53 GJ #b [002] 53 lavas 53 nuclear fission 53 thermonuclear fusion 53 photoionization 53 Nuclear fission 53 SN Ia 53 millisecond pulsar 53 actinide 53 ionised 53 helium ions 53 sulfate aerosols 53 kerogen 53 B mesons 53 Corot 9b 53 photocatalysis 53 fundamental constants 53 Type Ia supernovae 53 magmas 53 visible wavelengths 53 isomeric 53 starquakes 53 ion collisions 53 lunar crust 53 mantle convection 53 convection currents 53 reactant 53 crustal rocks 53 unconventional superconductivity 53 sterile neutrinos 53 chondritic meteorites 53 B meson 53 lanthanides 53 icy moons 53 jovian 53 crystal lattice 53 aerosol particles 53 neutron spectrometer 53 peridotitic 53 antihydrogen atoms 53 filamentary structure 53 meteoroid impacts 53 neutron radiation 53 thermonuclear reactions 53 impactors 53 electrochemical 53 catalytically active 53 ferroelectricity 53 magnetic anisotropy 53 -# degrees Fahrenheit [002] 53 chlorophyll molecule 53 gaseous methane 53 planetesimal 53 cosmic microwave background 53 ionize 53 Late Heavy Bombardment 53 quantum mechanically 53 neutron star 53 electroweak 53 abiogenesis 53 sterile neutrino 53 particles 53 gold nanoclusters 53 Bose Einstein condensate BEC 53 sunlike stars 53 Radiometric dating 53 samarium 53 climate forcings 53 sodium atoms 53 inorganic mercury 53 gamma rays 53 dipolar 52 solitons 52 ferromagnetic materials 52 clathrate 52 microwave radiation 52 platinum Pt 52 isotopic compositions 52 mantle plumes 52 photosphere 52 spatially resolved 52 ferric oxides 52 stellar occultations 52 Murchison meteorite 52 meteoroids 52 supernova remnants 52 krypton 52 particle colliders 52 proplyds 52 exciton 52 tau neutrinos 52 radioactive nuclides 52 proton proton collisions 52 Milankovitch cycles 52 protoplanetary discs 52 electromagnetism 52 radiogenic 52 ionisation 52 alpha emitter 52 silicates 52 photons 52 stellar seismology 52 CMB photons 52 water vapor 52 KamLAND 52 photoemission 52 ytterbium 52 chemical composition 52 exosphere 52 deuterium atoms 52 Martian meteorites 52 elemental composition 52 neutrons emitted 52 hafnium 52 atomic particles 52 tokamaks 52 Upsilon Andromedae 52 electron scattering 52 supersymmetric particles 52 energetic electrons 52 Eta Carinae 52 AGNs 52 VY Canis Majoris 52 hydroxide ions 52 photochemical processes 52 magnetic substorms 52 leptons 52 oxidized mercury 52 GJ #b [001] 52 seafloor sediments 52 lowermost mantle 52 martian atmosphere 52 nucleobases 52 rocky planets 52 radioisotope thermoelectric generators 52 microscopic specks 52 ultracold molecules 52 vaporises 52 phonons 52 spicule 52 muon neutrinos 52 Galactic cosmic rays 52 high redshift galaxies 52 antihydrogen 52 magnetic dipole 52 keV 52 antimatter particles 52 alkali metals 52 thermal equilibrium 52 Oort Cloud 52 quasiparticles 52 neutrino mass 52 peroxynitrite 52 KT boundary 52 GeV 52 isotopes 52 photon absorption 52 dihydrogen 52 radial velocity method 52 crystalline solids 52 ferric iron 52 electrochemical reactions 52 zinc sulfide 52 magnesium silicate 52 absorbs CO2 52 radioactively 52 photochemical reaction 52 dipole moment 52 americium 52 multicellular organisms 52 chemisorption 52 distant supernovae 52 stoichiometry 52 ferromagnetism 52 diatomic 52 magnetization reversal 52 orbital eccentricity 52 runaway thermonuclear 52 topological defects 52 cerium oxide 52 hematite mineral 52 cosmic ray flux 52 gravitational acceleration 52 electron positron pairs 52 martensite 52 protons electrons 52 thermally activated 52 magnetic reconnection 52 neutrino 52 Bose Einstein condensate 52 carbene 52 billionths 52 photosynthetically 52 corona discharge 52 millionths 52 laser irradiation 52 curium 52 dwarf spheroidal galaxies 52 Carbon dioxide CO2 52 supernova 52 sulphate aerosols 52 photons emitted 52 quasiparticle 52 meteor impacts 52 baryonic matter 52 electrons positrons 52 galaxy formation 52 photosynthetic machinery 52 nucleons 52 Earth magnetosphere 52 atomic nucleus 52 planetary orbits 52 plasmon 52 cosmic ray particles 52 heavy fermion 52 promethium 52 comets 52 interstellar dust grains 52 magnetic monopoles 52 carbon cenospheres 51 interstellar dust clouds 51 gamma ray photons 51 Brownian motion 51 orbitals 51 Gravitational waves 51 APXS 51 oxidants 51 extrasolar planetary 51 gravitational attraction 51 ions 51 antihelium 4 51 stellar nurseries 51 GRBs 51 bismuth telluride 51 absorption spectroscopy 51 endothermic 51 RS Ophiuchi 51 manganese oxide 51 neutrino oscillations 51 micro meteorites 51 halide 51 alkali atoms 51 observable universe 51 muon 51 isotopic signature 51 biomineralization 51 technetium #m 51 subatomic scale 51 hydrogen atom 51 ionized gases 51 optical resonator 51 Dauphas 51 gluon 51 blue supergiant 51 Seebeck effect 51 fluorescence quenching 51 beryllium oxide 51 nonequilibrium 51 pre biotic 51 Earth biosphere 51 nonmagnetic 51 eclogitic 51 ionizing 51 acoustic cavitation 51 absorbs neutrons 51 photochemically 51 tetragonal 51 gravitational interaction 51 nanoclusters 51 inhomogeneities 51 radiometric dating 51 solubilize 51 ultradense 51 quadrillionths 51 krypton atoms 51 cerium 51 nanosized 51 protoplanetary disks 51 photolysis 51 thermal diffusivity 51 spectral fingerprints 51 emitting radiation 51 Antennae Galaxies 51 graphite whiskers 51 Reactive oxygen species 51 organometallic compounds 51 neutron beams 51 magnetic excitations 51 icy comets 51 electrochemical reaction 51 mesoporous 51 electrons emitted 51 electron density 51 boron oxide 51 sulfur isotopes 51 gluons 51 tungsten isotopes 51 YORP effect 51 gamma rays X rays 51 lunar perigee 51 valence electrons 51 fissions 51 quantum superposition 51 fossilization 51 silicon atoms 51 methane CH4 51 phosphorus atom 51 antiparticle 51 diamagnetic 51 Plate tectonics 51 gravitational microlensing 51 elastic moduli 51 magnetic dynamo 51 Gamma ray bursts 51 unreacted 51 Mott insulator 51 iron pnictides 51 active galactic nuclei 51 submicrometer 51 Rydberg atoms 51 biogenic 51 Cosmic rays 51 planets atmospheres 51 W bosons 51 nanometric 51 meteoritic 51 fermions 51 bacterial decomposition 51 dirty snowballs 51 circumstellar disk 51 presolar 51 planet magnetosphere 51 Type Ia 51 radiative transfer 51 electrons orbiting 51 UO2 51 quantum mechanical 51 weak gravitational lensing 51 electron volt 51 accretion disks 51 gravitational tides 51 nanodot 51 HL Tau 51 ultraviolet radiation 51 neutrino experiments 51 degassed 51 SNR #-#.# 51 antiproton 51 astrophysical 51 zirconium cladding 51 type Ia supernovae 51 laser pulse 51 dimethyl sulphide 51 cosmic ray 51 multi walled nanotubes 51 thermodynamically stable 51 adenosine triphosphate ATP 51 heliosheath 51 electronic excitations 51 V# Mon 51 ab initio calculations 51 thermosphere 51 sodium alanate 51 atmospheric CO2 levels 51 3He 51 chlorine peroxide 51 Big Bang Machine 51 protostars 51 particles WIMPs 51 oxygen isotope ratios 51 carbonaceous chondrite 51 crystalline lattice 51 quantum chromodynamics 51 topological insulators 51 enzyme catalysis 51 hydrosphere 51 Rayleigh scattering 51 gallium 51 nitride layer 51 manganite 51 trimers 50 gaseous 50 magnetite crystals 50 thermodynamic equilibrium 50 aragonite 50 olivine 50 SNe Ia 50 fermionic 50 coral skeletons 50 colorless odorless radioactive 50 finely dispersed 50 yttrium barium copper 50 austenite 50 lunar magma 50 anthropogenic carbon dioxide 50 melt inclusions 50 inorganic salts 50 colliders 50 ultraviolet wavelengths 50 Tellurium 50 neutron beam 50 anode electrode 50 abundances 50 neutrino oscillation 50 cosmological constant 50 extrasolar 50 oxidise 50 Caesium 50 permanently shadowed craters 50 supersymmetric 50 Raman spectra 50 GCRs 50 planet HD #b 50 magnetic monopole 50 zircons 50 V# Sgr 50 Sulfur dioxide 50 quantum coherence 50 Einstein cosmological constant 50 nanoglue 50 invisible odorless tasteless 50 spherules 50 foraminifera 50 GZK cutoff 50 crystal lattices 50 prebiotic molecules 50 blackbody 50 Cepheids 50 globulars 50 microplastics 50 reaction kinetics 50 baryon 50 spherically symmetric 50 adsorbate 50 SN#A 50 femtoseconds 50 superfluid helium 50 physico chemical 50 pnictides 50 Oxidative stress occurs 50 photons particles 50 circular dichroism 50 electrons 50 Ultraviolet rays 50 basaltic magma 50 Venusian atmosphere 50 chlorophyll fluorescence 50 reactants 50 nanodroplets 50 ammonia NH3 50 mineralogical composition 50 Rydberg atom 50 planets orbits 50 CERN LHC 50 dielectric permittivity 50 soliton 50 calcium fluoride 50 qubit 50 picoseconds 50 quanta 50 -# degrees Celsius [001] 50 van der Waals 50 spectroscopically 50 GPa 50 lepton 50 crystallinity 50 Higgs singlet 50 ultraviolet UV radiation 50 natural radioactive decay 50 radiocarbon 50 fission reaction 50 Ulysses spacecraft 50 Fomalhaut b 50 Misfolded proteins 50 spallation 50 dwarf galaxy 50 perihelion 50 polyphosphates 50 SN #A 50 atom 50 Cosmologists 50 lithium atoms 50 ultrasonic waves 50 phytochrome 50 spheroidal 50 HD#b 50 nanolaser 50 oppositely directed 50 lanthanide 50 phonon 50 solvation 50 resonant frequencies 50 Raman scattering 50 electron ion 50 photosynthetic organisms 50 carbonyl sulfide 50 glacial interglacial 50 superlattice 50 excitons 50 planets asteroids 50 Casimir cavity 50 cesium ions 50 eutectic alloy 50 gravitational pulls 50 thermonuclear explosion 50 electrically insulating 50 quasicrystal 50 isotopic fractionation 50 naturally occurring radioactive 50 oceanic crust 50 binary asteroid 50 ionization 50 merging galaxies 50 electron electron 50 seabed sediments 50 berkelium 50 microcracks 50 cosmic strings 50 single celled microorganisms 50 oxidisation 50 conventional superconductors 50 hydroxyl ions 50 electron pairs 50 picocurie 50 outer crust 50 apatite 50 nanomesh 50 graphene layers 50 electromagnetic phenomena 50 nanomotors 50 Antarctic Dry Valleys 50 frequency comb 50 radioactive isotope 50 astrophysical objects 50 combustion gases 50 hadrons 50 Magnetars 50 recrystallization 50 photon 50 biominerals 50 supercooled liquid 50 plagioclase 50 crystalline structure 50 hyperfine 50 Neutrons 50 cementite 50 planetary magnetospheres 50 perchlorates 50 ultracold atoms 50 radial velocity technique 50 nacre 50 Chlamydomonas reinhardtii 50 magnetic polarity 50 germanium silicon 50 nanowatts 50 missing baryons 50 vibrational modes 50 Earth crust 50 isotope 50 ultraviolet radiation emitted 50 outgas 50 antihelium 50 coronal loops 50 solutes 50 plutonium americium 50 synchrotron x ray 49 Neutrinos 49 Doppler measurements 49 Fermions 49 WMAP satellite 49 Hot Jupiters 49 supermassive black holes 49 electron tunneling 49 semiconductor nanowires 49 phyllosilicate 49 nanoscopic 49 icosahedral 49 marine sediments 49 undiscovered particle 49 Kepler #b 49 emits gamma rays 49 spectroscopic technique 49 photosynthesis 49 lipid membranes 49 vesicle fusion 49 entangled quantum 49 dwarf galaxies 49 photocatalysts 49 superheating 49 absorption spectra 49 silicon dioxide SiO2 49 carbonate ions 49 infalling gas 49 nucleate 49 accretion disk 49 diamond anvil 49 methanogenesis 49 Jupiter moon Io 49 oxygen ions 49 interstellar space 49 high temperature superconductivity 49 outermost planet 49 Cancri e 49 naturally occurring mineral 49 oxygen isotope 49 proton antiproton 49 Ordovician extinction 49 coronal loop 49 phenanthrene 49 comet orbit 49 earths 49 kelvin 49 cosmic ray intensity 49 photochemistry 49 tokamak 49 supernovae explosions 49 Churyumov Gerasimenko 49 emits photon 49 X rays gamma rays 49 manganese atoms 49 sedimentary layers 49 solids liquids 49 oxidation 49 gravitons 49 supercooling 49 sulfur atoms 49 Oort cloud 49 neutralino 49 magnetization 49 crystalline silicates 49 chemically indistinguishable 49 comet nucleus 49 Higgs particle 49 optical lattices 49 biosignatures 49 comet Tempel Tuttle 49 -# ° C [001] 49 selenide 49 ppmv 49 nanometer sized 49 uracil 49 prebiotic chemistry 49 magnetized plasma 49 Deuterium 49 nanobacteria 49 stimulated emission 49 van der Waals interactions 49 cited krypton strontium 49 cometary material 49 carbon dioxide concentrations 49 oxidises 49 hydride 49 martensitic 49 gravitational interactions 49 electrical conductivity 49 cosmic ray collisions 49 thermodynamic stability 49 positronium 49 molten iron 49 cobalt atom 49 multicellular animals 49 hydrogen isotope 49 comet nuclei 49 graphitic carbon 49 enthalpy 49 magnetosphere 49 starch granules 49 intermetallic compounds 49 silica nanoparticles 49 adsorbed 49 graphene electrons 49 Hubble Constant 49 endospores 49 albedo reflectivity 49 semiconductor nanocrystals 49 Ozone O3 49 surface plasmon 49 sulfur atom 49 magnesium ions 49 interconversion 49 cometary dust 49 meteoroid 49 meteorite bombardment 49 thermal convection 49 spherical particles 49 curies 49 exoplanetary 49 Neoproterozoic 49 boron nitride 49 Ultraviolet light 49 hydrogen helium 49 SiO 2 49 tectonic stresses 49 quarks 49 cryovolcanism 49 quinone 49 gravitational redshift 49 asparagine 49 gravity electromagnetism 49 carbonic acid 49 diffusive 49 polar mesospheric clouds 49 nucleation 49 Mojzsis 49 HIP #b 49 planetary atmospheres 49 radiative forcing 49 enzymatic hydrolysis 49 messenger RNA molecules 49 tectonic plate movements 49 Supernovae 49 phosphorus atoms 49 spectroscopic measurements 49 electron neutrino 49 smallest exoplanet 49 proton antiproton collisions 49 hydrated silica 49 Earth magnetotail 49 neutrino particles 49 backscattering 49 methyl chloroform 49 aqueous phase 49 airglow 49 hypervelocity stars 49 superpositions 49 optical atomic clocks 49 hydrolysis 49 radioisotope 49 picosecond 49 spacetime 49 comets orbiting 49 vibrationally excited 49 IR spectra 49 X ray spectrometer 49 gelsolin 49 silicic acid 49 ferroelectrics 49 dynamical 49 muon neutrino 49 radiations