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(Click for frequent words.) 64 cosmic ray flux 64 glacial interglacial 62 auroral activity 62 equatorial latitudes 61 Mercury exosphere 61 Saturn moon Mimas 60 deep convective clouds 60 upper troposphere 59 cosmic ray intensity 59 filamentary structure 59 magnetic substorms 59 aerosol concentrations 59 tropopause 59 oceanic circulation 59 hydrosphere 59 teleconnections 58 axial tilt 58 Tharsis Rise 58 radiative transfer 58 interannual 58 crustal thickness 58 temporal variability 58 solar corona 58 micro meteorites 58 jovian 58 COROT 7b 58 exosphere 58 lunar crust 58 atmospheric convection 58 tropospheric 58 Antarctic stratosphere 58 solar irradiance 58 flood basalts 57 surface temperatures SSTs 57 planet magnetosphere 57 stratospheric clouds 57 gamma ray flashes 57 Warmer oceans 57 volcanic plumes 57 longwave radiation 57 southern latitudes 57 atmospheric aerosols 57 mantle convection 57 sulphate aerosols 57 planetary magnetospheres 57 CMB radiation 57 circumstellar 57 Milankovitch cycles 57 vegetation greenness 57 polar vortex 57 stratospheric ozone depletion 57 Cosmic Microwave Background 57 distant supernovae 56 Earth ionosphere 56 albedo reflectivity 56 airglow 56 Hubble orbits 56 auroral displays 56 polar mesospheric clouds 56 mid latitudes 56 aerosol particles 56 Saturn magnetosphere 56 midlatitudes 56 multi decadal 56 convective clouds 56 Rossby waves 56 Ulysses spacecraft 56 planets atmospheres 56 radiative cooling 56 Syrtis Major 56 X ray pulses 56 sun irradiance 56 comets orbiting 56 polar latitudes 56 Diviner instrument 56 chlorine monoxide 56 neutrino mass 56 Martian dust 56 mesosphere 56 sulfate aerosols 56 Moisture laden 55 Venusian atmosphere 55 diffuse aurora 55 interannual variability 55 Jupiter moon Io 55 Global Precipitation Climatology 55 downwelling 55 oceanic currents 55 lowermost mantle 55 graphite whiskers 55 reduce visibilities 55 cirrus cloud 55 northerly latitudes 55 Atlantic Multidecadal Oscillation AMO 55 midlatitude 55 Noctilucent clouds 55 Brigham Grette 55 Corot 9b 55 ocean basins 55 exoplanetary systems 55 hydrologic cycle 55 planets orbits 55 baryon acoustic oscillations 55 anthropogenic carbon dioxide 55 Amundsen Sea 55 spatial variability 55 Late Ordovician 55 AccuWeather.com RealFeel ® 55 Warmer seas 55 Cancri e 55 Appy Sluijs 55 lunar equator 55 radiosondes 55 orbital eccentricity 55 anticyclonic 55 meridional flow 55 retrograde orbit 55 chlorophyll concentrations 55 anthropogenic aerosols 55 ionized gases 55 coronal loops 55 protoplanetary 55 boreal regions 55 solar minima 55 ultraviolet radiation emitted 54 helicity 54 volcanic aerosols 54 yardangs 54 moon Io 54 mesospheric 54 magnetospheric 54 spatially resolved 54 silicon monoxide 54 basaltic rocks 54 bioavailable iron 54 MG J# +# 54 GJ#b 54 atmospheric oceanic 54 Indian Ocean Dipole 54 polar stratospheric 54 ocean eddies 54 backscattering 54 planetary atmospheres 54 atmospheric moisture 54 Hellas Basin 54 inhabitable planets 54 Kuiper belt objects 54 Planck satellite 54 multidecadal 54 dynamical evolution 54 poleward shift 54 biogeochemical cycles 54 advection 54 HARPS instrument 54 photochemical reactions 54 Caloris 54 thermal gradients 54 Bug Nebula 54 constellation Eridanus 54 thermal inertia 54 Earth orbiting satellites 54 VY Canis Majoris 54 Saturnian 54 Warmer drier weather 54 zodiacal dust 54 spacecraft orbited 54 boreal ecosystems 54 TrES 4 54 Subduction zones 54 astrophysical objects 54 radiometric measurements 54 electron orbits 54 ENSO cycle 54 atmospheric CO2 levels 54 phytoplankton blooms 53 mineral olivine 53 magma ocean 53 El Nino Southern Oscillation 53 Yarkovsky effect 53 ionospheric disturbances 53 Earth radii 53 WMAP satellite 53 Upsilon Andromedae 53 Saturn auroras 53 sulfate aerosol 53 tomographic images 53 meteoritic material 53 intrinsic brightness 53 hunting Kepler telescope 53 energetic electrons 53 Pacific Decadal Oscillation PDO 53 Polar Regions 53 extratropical cyclones 53 La Niñas 53 photosphere 53 #.#C #.#F [003] 53 interstellar clouds 53 GJ #b [002] 53 Saharan dust 53 Late Paleozoic 53 Equatorial Pacific 53 glaciers receded 53 comet orbit 53 interstellar dust grains 53 Himalayan river basins 53 magma chambers 53 Samuel Oschin Telescope 53 magnetic polarity 53 gravitational interaction 53 YORP effect 53 glacial interglacial cycles 53 Aqua satellite 53 hydrological cycle 53 planetary surfaces 53 Neptune Uranus 53 galaxy redshift 53 Vertical wind shear 53 temperature gradients 53 planetary orbits 53 dissolved oxygen pH 53 cinder cones 53 Doppler shifts 53 seafloor sediments 53 Noachian era 53 Cassini flyby 53 terrestrial biosphere 53 Manned missions 53 electron diffusion 53 geomagnetic activity 53 Candor Chasma 53 photon energies 53 solar nebula 53 terrestrial ecosystems 53 2 MeV electron 53 cyclonic circulations 53 glacier melts 53 poleward 53 anomalously warm 53 Microlensing 53 meteoroid impacts 53 dynamical processes 53 periodicities 52 coronal loop 52 radar altimetry 52 sulphate aerosol 52 stratospheric ozone chemistry 52 submillimetre wavelengths 52 paleoclimatic 52 spectroscopic measurements 52 lunar perigee 52 subsurface ocean 52 geodynamic 52 spectral characteristics 52 solar insolation 52 chromosphere 52 heliospheric 52 cryosphere 52 hydrothermal fluid 52 coronal magnetic field 52 rotating neutron stars 52 harmful ultraviolet UV radiation 52 forcings 52 Kuiper Belt Objects 52 sediments deposited 52 Coma Cluster 52 floods droughts mudslides 52 springtime ozone 52 Type Ia supernovas 52 tropospheric ozone 52 Iodine counteracts 52 Moderate Resolution Imaging 52 protoplanet 52 tropical latitudes 52 temperate latitudes 52 Aram Chaos 52 icesheets 52 electron ion 52 TONIGHT Scattered showers 52 SeaWiFS 52 Galactic cosmic rays 52 Trifid Nebula 52 biogeochemical 52 Last Glacial Maximum 52 Alfven waves 52 magnetotail 52 gravitational tides 52 blue supergiant 52 TONIGHT Showers 52 Gravitational waves 52 satellite altimetry 52 radar interferometry 52 moonquakes 52 Ontario Lacus 52 gravitational acceleration 52 magnetospheres 52 orbital resonance 52 HiRISE image 52 thermally induced 52 moon Dione 52 Planck observatory 52 silicate dust 52 outer corona 52 coronal holes 52 Earth biosphere 52 CO2 fluxes 52 tectonic uplift 52 reflection nebula 52 rotational axis 52 primitive meteorites 52 ozone nitrogen dioxide 52 Terra Meridiani 52 grabens 52 vorticity 52 spatial scales 52 Dust devils 52 proton antiproton 52 coronal mass ejections CMEs 52 substorm 52 telescopic observations 52 crystalline silicates 52 lithosphere 52 barometric pressures 52 interstellar boundary 52 heavily cratered 52 anthropogenically 52 Martian polar 52 radio occultation 52 AIRS instrument 52 post perovskite 52 Substorms 52 proplyds 52 Cygnus Lyra region 52 iceberg calving 52 climatic variability 52 crustal movements 52 polarimetry 51 circumstellar disks 51 gravitational tugs 51 atmospheric 51 starlike object 51 gravitational radiation 51 moons orbiting 51 Anisotropy Probe WMAP 51 galactic cosmic rays 51 Landsat satellite 51 El Chichon 51 geothermal gradient 51 geosphere 51 Mercury magnetosphere 51 TODAY Showers 51 olivine mineral 51 Viking orbiters 51 atmospheric circulation 51 submillimeter 51 noctilucent clouds 51 mineralogical composition 51 Fermi telescope 51 Orcus Patera 51 intraplate 51 Milky Way halo 51 Saturn aurora 51 starquakes 51 altocumulus 51 vibrational frequency 51 sunlike stars 51 extrasolar 51 climatic variations 51 Delta Cephei 51 Geomagnetic storms 51 atmospheric phenomena 51 eastern equatorial Pacific 51 mantle plumes 51 comet Tempel Tuttle 51 Huygens descent 51 Martian dunes 51 chlorophyll fluorescence 51 smoggy atmosphere 51 IKAROS 51 sized planets orbiting 51 brownish haze 51 gaseous pollutants 51 meteor impacts 51 microphysical 51 cosmic microwave radiation 51 orbiting gamma ray 51 equatorial waters 51 protoplanetary discs 51 El Niño Southern Oscillation 51 millimeter wavelengths 51 airbursts 51 geoneutrinos 51 nebular 51 Earth magnetosphere 51 meteorite impacts 51 cometary impacts 51 RAINEX 51 oxidized mercury 51 Phanerozoic 51 SST anomalies 51 lunar highlands 51 comets asteroids 51 temperature barometric pressure 51 Veniaminof 51 interferometric synthetic aperture radar 51 NASA THEMIS 51 Michael Studinger 51 Jupiter Ganymede 51 polar caps 51 collisional 51 planets Uranus 51 cometary dust 51 thermal gradient 51 Doppler measurements 51 atomic lattice 51 waning crescent 51 electromagnetic flux 51 gravitational perturbations 51 perihelion 51 Cloudiness 51 diurnal variation 51 Polycyclic aromatic hydrocarbons 51 moon Mimas 51 X rays gamma rays 51 periodic dimming 51 obliquity 51 lunar meteorites 51 tholins 51 Particle acceleration 51 planets asteroids 51 interstellar cloud 51 Jupiter Uranus 51 sub glacial lakes 51 Harmful algal blooms 51 icy comets 51 ocean sediment cores 51 atmospheric chemistry 51 Galileo spacecraft 51 cirrus clouds 51 isotope fractionation 51 gamma ray observatory 51 supernovae explosions 51 oxygen isotope ratios 51 infrared spectral 51 Cosmic ray 51 Antarctic ozone 51 moon Phobos 51 total solar irradiance 51 convective storms 51 tides currents 51 moons orbiting Saturn 51 galactic disk 51 #.#C above 51 Mpc 51 climate forcings 51 filamentary 51 interglacial periods 51 phytoplankton bloom 51 equatorial bulge 51 thawing tundra 51 interplanetary spacecraft 51 Telomere shortening 51 subglacial 51 biogeochemical processes 51 #.#C warmer 51 Jupiter icy moons 51 dimming starlight 51 Cassini flybys 51 glaciations 51 NEAs 50 moon Enceladus 50 diurnal cycle 50 Muchachos Observatory 50 galaxy M# [001] 50 exo planet 50 upwellings 50 Great Conveyor Belt 50 marine phytoplankton 50 #.#oC [001] 50 ENAs 50 coldest driest 50 icesheet 50 Siberian Traps 50 orographic 50 volcanoes spewing 50 Quadrantid meteor shower 50 lipoprotein particle 50 ocean salinity 50 faint galaxies 50 cosmological distances 50 electrical conductance 50 upper tropospheric 50 Plains northeastward 50 backscattered 50 sunspot cycles 50 Arctic oscillation 50 halogenated gases 50 spectral fingerprint 50 ultraviolet wavelengths 50 planetary nebulae 50 atmospheric haze 50 Solar Dynamics Observatory 50 supercell storms 50 ultraviolet wavelength 50 galactic magnetic 50 ionized particles 50 glacier shrinkage 50 geoid 50 Antarctic Dry Valleys 50 aboard Taurus XL 50 isotherm 50 Planitia 50 Solar flares 50 permafrost degradation 50 elevational 50 fissure eruption 50 Anisotropy Probe 50 thermal infrared 50 icy moons 50 ferric oxides 50 Plate tectonics 50 Halifax Weather Overcast 50 TGFs 50 Jay Lawrimore chief 50 seawater pH 50 Wilkinson Microwave Probe 50 electron neutrinos 50 Gusev crater 50 ultrashort pulses 50 Ozone depletion 50 earthlike 50 Earth albedo 50 lobate scarps 50 mesoscale 50 ultracold atoms 50 prevailing westerly winds 50 gravitational pulls 50 Saturn outermost 50 zodiacal light 50 Fomalhaut b 50 slender crescent 50 luminous galaxies 50 scarps indicating 50 Southern Oscillation 50 volcanic moon Io 50 insolation 50 Solar TErrestrial RElations Observatory 50 Jupiter magnetosphere 50 cratered highlands 50 permanently shadowed regions 50 2oC 50 ppbv 50 moon gravitational pull 50 comet orbital 50 dusty disks 50 thermosphere 50 unconventional superconductivity 50 moons Phobos 50 coastal upwelling 50 icecaps 50 celestial sphere 50 Doppler shift 50 elongated orbits 50 coastal inundation 50 Sagittarius B2 50 Mercury flyby 50 smallest exoplanet 50 Veil Nebula 50 Tempel Tuttle 50 waxing crescent 50 produce colorful auroras 50 electron flux 50 Hellas Planitia 50 Kuiper belt object 50 detect gravitational waves 50 stellar nurseries 50 Composite Infrared Spectrometer 50 infrared wavelength 50 Chicxulub Crater 50 Nasa spacecraft 50 geomagnetic substorms 50 Mount Bosavi 50 thin crescent 50 mid Pliocene 50 galactic equator 50 geosynchronous orbit reached 50 atmospheric aerosol 50 NASA QuikScat satellite 50 infrasound picking 50 planet Gliese #c 50 Earthlike 50 subseafloor 50 supervolcanoes 50 #.#C #.#C 50 Palaeocene Eocene Thermal Maximum 50 NASA Wilkinson Microwave 50 megacryometeor 50 subpolar 50 Volcano spews 50 elliptical orbits 50 gravitational keyhole 50 La Ninas 50 hematite mineral 50 geological timescales 50 windward slopes 50 gaseous planet 50 subatomic scale 50 El Niños 50 tropical troposphere 50 earthshine 50 Ultraviolet radiation 50 Chilean Atacama Desert 50 helium nuclei 50 interstellar particles 50 biogeochemical cycling 50 stellar occultations 50 pollutant concentrations 50 ozone particulate matter 50 volcanic ridges 50 imaging spectrometer 50 La Nià ± 50 glaciological 50 phytoplankton biomass 50 planet HD #b 50 Atlantic Multidecadal Oscillation 50 volcanic magma 50 cyanogen poisonous gas 49 Strong northerly winds 49 Siple Dome 49 distant supernovas 49 reef habitats 49 APXS 49 permanently shadowed craters 49 KBOs 49 spectroscopic technique 49 subglacial lakes 49 plankton blooms 49 carbonaceous chondrites 49 C4 grasses 49 VIRTIS instrument 49 Measuring Mission TRMM 49 electron density 49 wetter winters 49 Paleocene Eocene 49 carbonyl sulfide 49 atmospheric disturbances 49 carbonate minerals 49 anticyclones 49 reduced visibilities 49 interplanetary magnetic 49 galaxy formation 49 Fram Strait 49 Cow burps 49 orbital inclination 49 isotopic signature 49 teragrams 49 northern arctic plains 49 gravitational redshift 49 albedo 49 meteorological phenomena 49 Tunguska asteroid 49 Ian McShane Pillars 49 altitudinal 49 geosynchronous Earth 49 landforms 49 ultra violet radiation 49 chondrules 49 tectonic plate movements 49 merging galaxies 49 particle acceleration 49 convection currents 49 El Nino warming 49 carbon fluxes 49 fading afterglow 49 CoRoT #b 49 overlying layers 49 atmospheric methane 49 Stratospheric ozone 49 polar icecap 49 Velicogna 49 geostationary orbits 49 Lagoon Nebula 49 AMSR E 49 hydroxyl molecules 49 WEATHER Mostly sunny 49 Orion nebula 49 warmer wetter winters 49 exoplanet atmospheres 49 polar regions 49 Helioseismic 49 Alaskan glaciers 49 megadroughts 49 mysterious uncharted 49 silicate grains 49 Neutron stars 49 Neoproterozoic 49 waning gibbous 49 oligotrophic 49 warmings 49 Agulhas Current 49 interstellar dust clouds 49 Greenland icecap 49 GALEX 49 melting polar icecaps 49 supersymmetric particles 49 Oort cloud 49 stony meteorites 49 Wilkinson Microwave Anisotropy Probe 49 star Spica 49 planetary Transits 49 Domoic acid neurotoxin 49 weakly interacting 49 Cat Paw Nebula 49 strontium isotope 49 particle analyzers 49 tropospheric temperature 49 Raman spectra 49 Nikku Madhusudhan 49 Cosmic Background Explorer 49 geomagnetic field 49 UV photons 49 Viking Lander 49 umbral shadow 49 Brenda Ekwurzel climate 49 inhomogeneous 49 cosmic cannibal 49 NASA Atmospheric Infrared 49 transiting exoplanet 49 polar oceans 49 extraterrestrial UFOs 49 Heavier snowfall 49 proto planetary disk 49 calcium carbonate shells 49 supervolcano eruption 49 microlensing events 49 melt glaciers 49 protoplanetary disk 49 Amundsen Sea Embayment 49 La Niña pattern 49 sedimentary layers 49 Gamma ray bursts 49 glacial cycles 49 EF Scale 49 Gamma ray burst 49 carbon dioxide concentrations 49 ESA Planck 49 bosonic 49 shadowed craters 49 radioactive nuclei 49 Earth thermosphere 49 carbonate globules 49 Svaliava 49 radiosonde 49 glacier retreat 49 cometary material 49 runaway greenhouse 49 Greenhouse gases trap 49 dust mote 49 spaceweather.com 49 heliosphere 49 spectral fingerprints 49 floods droughts heat 49 WS CRDS 49 constellation Pisces 49 geyser plumes 49 dipole moment 49 Venusian surface 49 carbon dioxide CO ² 49 situ measurements 49 Bok globules 49 scarps 49 ESA Envisat 49 Diviner 49 Coma cluster 49 steering currents 49 Comet Holmes 49 olivine crystals 49 VISTA telescope 49 geologies 49 abyssal plains 49 planets circling stars 49 gamma ray flares 49 Aqua satellites 49 Planetary Transits 49 ejecta blanket 49 cyclicity 49 X ray binaries 49 leeward slopes 49 Comet Halley 49 Gamma ray bursts GRBs 49 cuprate superconductors 49 Corot 7b 49 constellation Virgo 49 El Niño winters 49 aurorae 49 ADM Aeolus 49 Eta Aquarid meteor shower 49 ancient lava flows 49 harmful algal bloom 49 polar craters 49 Red Rectangle 49 geological timescale 49 comet nuclei 49 electrical resistivity 49 Current Warm Period 49 radiative forcing 49 stratocumulus clouds 49 glacier calving 49 lightwaves 49 microbial ecosystems 49 Cassini magnetometer instrument 49 mountain snowpacks 49 hydrothermal vent 49 V# Mon 49 permafrost thaws 49 lensing galaxy 49 inhomogeneities 49 phreatic 49 STEREO spacecraft 49 EVLA 49 Martian craters 49 -# ° Celsius [001] 49 cyclogenesis 49 magnetosphere 49 moonlet 49 fainter objects 49 isotopic ratios 49 moons circling 49 noctilucent cloud 49 paleomagnetic 49 Jakobshavn Isbrae 49 aboard ESA Envisat 49 WEATHER Sunny 49 Southern Annular Mode 49 smoothest flattest 49 coccolithophores 49 anthropogenic CO 49 nanomesh 49 wavelength infrared 49 hydrological cycles 49 solar radii 49 cosmic ray particles 49 Galilean moons 49 neutrino detectors 49 asteroidal 49 temperature gradient 49 isotope ratios 49 hydrated electron 49 Orientale Basin 49 extrasolar planets orbiting 49 storms floods droughts 49 Magnetars 49 AATSR 49 WD5 49 phyllosilicate 49 baryon 49 submicrometer 49 radial velocity technique 49 Coronal Mass Ejections 49 Temperature extremes 49 shadowy craters 49 Comet Tempel Tuttle 49 hectopascals 49 thyroid hormone levels 49 eccentric orbits 48 subtropical oceans 48 galactic mergers 48 convective 48 condensation nuclei 48 Martian terrain 48 ESA Envisat satellite 48 Advanced Microwave Scanning 48 THEMIS Image 48 meteoroids 48 TONIGHT Mostly clear 48 X ray spectra 48 Scientists theorize 48 van Arkel discovery 48 colloidal crystals 48 Grimsvötn volcano 48 submillimeter wavelength 48 plasmasphere 48 seabed sediments 48 radioactive decay 48 tectonically 48 cyclonic storms 48 Barometric pressure 48 hypersonic speeds 48 irradiance 48 Mars northern latitudes 48 RealFeel ® temperatures 48 Ultraviolet rays 48 meridional overturning circulation 48 tidally 48 geo synchronous 48 retroreflector 48 NCAR scientist 48 Subarctic 48 thin cirrus clouds 48 Epsilon Aurigae 48 Titan smoggy 48 polarimetric 48 remote sensing instruments 48 Upsilon Andromedae b 48 Paleocene Eocene Thermal Maximum 48 harmful ultraviolet radiation 48 Gakkel Ridge 48 chlorine peroxide 48 sedimentological 48 X ray emission 48 cryovolcanism 48 X ray wavelengths 48 Earthlike planet 48 TRMM Microwave Imager TMI 48 diatom species 48 Southeasterly winds 48 pika habitat 48 circumstellar disk 48 acidic oceans 48 Thermal Emission Spectrometer 48 Earth gravitational pull 48 Hubble Space Telescope HST 48 Cryogenian 48 Envisat ASAR 48 type Ia supernovae 48 annealing temperature 48 outlet glaciers 48 resonance frequency 48 ellipsoids 48 astrophysical phenomena 48 anthropogenic greenhouse gas 48 martian rocks 48 Vourlidas 48 sun ultraviolet radiation 48 spheroidal 48 geomagnetism 48 lunar orbiters 48 Keck Telescope 48 trigger scattered showers 48 permafrost melting 48 Min Temp #.# 48 micrometre sized 48 Saharan Desert 48 piezoelectric properties 48 orbits Saturn 48 ionosphere 48 millimeter wavelength 48 emit X rays 48 cenospheres 48 glaciers retreated 48 metallicity 48 gravity warps 48 La Nina occurs 48 Elemental mercury 48 moon Deimos 48 coolings 48 HiRISE camera 48 torsional oscillator 48 colder drier 48 Klekociuk 48 moon Ganymede 48 choking irritants 48 dustier stormier atmosphere 48 decadal variability 48 Antarctic Circumpolar Current 48 ° C warmer 48 galactic alignment 48 double helix nebula 48 Spectroradiometer 48 planetary nebulas 48 NuSTAR 48 Imaging Spectroradiometer MODIS instrument 48 galactic cores 48 oxygen isotope 48 Arsia Mons 48 comet Lulin 48 biosignature 48 NOAA GOES 48 IRC +# 48 active volcanism 48 earths surface 48 micrometer scale 48 El Ninos 48 Microbursts 48 galactic clusters 48 infrared wavelengths 48 Anthony Remijan 48 isotopic compositions 48 basaltic lava 48 Cassini Image 48 sedimentary deposits 48 deglaciation 48 Earth axial tilt 48 Kelvin -# 48 planet Uranus 48 rotating updraft 48 Dr Trewin 48 Laki eruption 48 Palaeozoic sedimentary 48 retrograde orbits