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(Click for frequent words.) 68 equatorial 65 celestial equator 63 latitudes 61 tropics 60 equatorial regions 59 Equator 57 aphelion 57 mid latitudes 57 ITCZ 57 temperate latitudes 56 equatorial belt 56 troposphere 56 midlatitudes 56 ecliptic 55 tropical latitudes 55 perihelion 55 polar vortex 55 Hellas Basin 55 temperate zones 54 southern latitudes 54 equatorial Pacific 54 Arctic Circle 54 Agulhas Current 54 Pacific Ocean 54 gaseous planet 53 Geminid meteors 53 mesosphere 53 magnetotail 53 Northern Hemisphere 53 sunward 53 Capricornus 53 GJ#b 53 landmasses 53 Shackleton crater 53 rotational axis 52 anticyclones 52 constellation Cetus 52 anticyclone 52 galactic equator 52 longitudes 52 ocean basins 52 Syrtis Major 52 coral atolls straddling 52 elliptical orbits 52 constellation Virgo 52 constellation Taurus 52 airglow 52 constellation Aquarius 52 temperate regions 52 celestial sphere 52 northern latitudes 52 Atlantic Ocean 51 tropopause 51 Drake Passage 51 equinox 51 equinoxes 51 Greenwich meridian 51 innermost planet 51 Rossby waves 51 Antarctica 51 planets orbits 51 ° latitude 51 anticyclonic 51 latitudinal 51 Antarctic peninsula 51 Gondwanaland 51 ecliptic plane 51 magnetopause 51 auroral activity 51 sub tropic 51 constellation Centaurus 51 Pleiades star 51 Saturnian 50 Vastitas Borealis 50 pericentre 50 subtropics 50 constellation Leo 50 axial tilt 50 perigee 50 retrograde orbit 50 Earth radii 50 constellation Hercules 50 constellation Libra 50 constellation Gemini 50 jet stream 50 constellation Andromeda 50 waxing crescent 50 northern hemisphere 50 Enceladus 50 planet orbits 50 orbital inclination 50 constellation Sagittarius 50 polar icecap 49 Ulysses spacecraft 49 highly elliptical orbit 49 polar latitudes 49 Milky Way Galaxy 49 rhumb line 49 elongated orbits 49 Endeavour Crater 49 subtropical oceans 49 thin crescent moon 49 poleward 49 Antarctic continent 49 constellation Ara 49 orbital eccentricity 49 heliosphere 49 Iapetus 49 slender crescent 49 star Proxima Centauri 49 planets 49 Oort cloud 49 exosphere 49 Planitia 49 Gemini constellation 49 permanently shadowed craters 49 Serpens Cauda 49 Artic Circle 49 Noctilucent clouds 49 orbits 49 tropical troposphere 49 Polar Regions 49 Comet LINEAR 49 planets Uranus 49 heliopause 49 penumbral shadow 49 lunar perigee 49 waning gibbous moon 49 thunderstorms loomed 49 moon Enceladus 48 polar regions 48 coldest driest 48 equatorial waters 48 Fomalhaut b 48 waxing gibbous moon 48 waxing crescent moon 48 mantle plumes 48 comets orbiting 48 roaring forties 48 circular orbits 48 Yucatán Peninsula 48 tidally locked 48 equatorial Pacific Ocean 48 HD #b [001] 48 Weddell Sea 48 Roaring Forties 48 North Pacific Gyre 48 Crozet Islands 48 gyre 48 southerly latitudes 48 Toutatis 48 annularity 48 Celestial Pole 48 HD #b [002] 48 Comet McNaught 48 photosphere 48 HD#b 48 steering currents 48 constellation Ursa Major 48 Tasman Sea 48 Corot 9b 48 equatorial latitudes 48 southern hemisphere 48 Comet NEAT 48 compass needle 48 Greater Antilles 48 rhumbline 48 circular orbit 48 Kerguelen Plateau 48 SE'ly tradewinds 47 intertropical convergence zone 47 polar 47 Southern Hemisphere 47 Isidis Planitia 47 constellation Perseus 47 lithosphere 47 Bashi Channel 47 northerly latitudes 47 star Fomalhaut 47 Saturnian moons 47 Orionids 47 autumn equinox 47 geostationary orbits 47 Gliese #c 47 crescent Moon 47 Kepler 9c 47 planets orbiting stars 47 coronal loops 47 sunspot activity 47 noctilucent clouds 47 polar caps 47 Sedna 47 magnetic polarity 47 Siberia Mongolia 47 elliptical orbit 47 constellation Aries 47 Magnetic Pole 47 Saturn Cassini 47 WASP #b 47 undersea volcanoes 47 Goldilocks zone 47 icecap 47 zodiac constellations 47 polar plateau 47 autumnal equinox 47 meridional 47 Martian equator 47 ringplane 47 Lombok Strait 47 altitudinal 47 geologically active 47 midlatitude 47 planet Uranus 47 Earth axial tilt 47 ultraviolet wavelengths 47 shadowed craters 47 Saturn moon Enceladus 47 southwesterlies 47 star Spica 47 eastern equatorial Pacific 47 west longitude 47 AU Mic 47 subtropical climates 47 Proxima Centauri 47 Cancri e 47 jovian 47 Earth magnetosphere 47 solar minima 46 tropical 46 Tuamotu Archipelago 46 Kuroshio Current 46 exoplanets planets 46 annular eclipse 46 katabatic winds 46 heavily cratered 46 Cape Verdes 46 downwelling 46 lunar poles 46 upper troposphere 46 chromosphere 46 Pleiades cluster 46 Cape Leeuwin 46 cosmic ray flux 46 supercontinent 46 subtropical 46 continental crust 46 cratered highlands 46 Cape Verde islands 46 prevailing westerly winds 46 galactic disk 46 water vapor 46 subtropical regions 46 Epsilon Eridani 46 spiral galaxy NGC 46 aurora 46 solstices 46 Quadrantids 46 Meridiani 46 Martian surface 46 prograde 46 Nili Fossae 46 icy moons 46 Gusev crater 46 compass needles 46 Saturnian moon 46 planet 46 SSTs 46 Io volcanoes 46 asthenosphere 46 Comet Lulin 46 waning crescent 46 submarine volcanoes 46 convection 46 orbits Saturn 46 umbral shadow 46 constellation Cepheus 46 lunar equator 46 Milky Way 46 prime meridian 46 zodiacal constellations 46 ionosphere 46 Corot 7b 46 Martian polar 46 Olympus Mons 46 Fram Strait 46 umbra 46 eccentric orbits 46 Helix Nebula 46 Upsilon Andromedae b 46 Westerlies 46 Geminid shower 46 moonlet 46 Pleiades 46 comet #P/Churyumov-Gerasimenko 45 TrES 4 45 isobars 45 tectonically active 45 Bouvet Island 45 auroral oval 45 insolation 45 Kerguelen Island 45 gravitational keyhole 45 carry heavier payloads 45 synchronous orbit 45 habitable zones 45 Antartica 45 Perseid meteor showers 45 Venusian atmosphere 45 aurorae 45 Caloris Basin 45 Uranus 45 subtropical jet 45 SST anomalies 45 El Nino Southern Oscillation 45 auroras 45 Earth rotational axis 45 subtropical ridge 45 constellation Eridanus 45 Ushant 45 subantarctic 45 oceans 45 red supergiant 45 Chicxulub Crater 45 northerly 45 Cape Agulhas 45 westerly trough 45 Orion Belt 45 auroral displays 45 oceanic circulation 45 Gliese #e 45 aurora australis 45 winter solstice 45 Amundsen Sea 45 Saturn rings 45 sunlike star 45 solar corona 45 Nullarbor Plain 45 Hot Jupiters 45 easterlies 45 Jupiter Uranus 45 poleward shift 45 Tharsis 45 Comet Hartley 2 45 occultations 45 Saharan Desert 45 Antarctic Peninsula 45 ringed planet 45 extrasolar planets 45 Swift Tuttle 45 CoRoT 7b 45 tawny hills 45 Crab Nebula 45 spacecraft flyby 45 GZK cutoff 45 Austral Islands 45 Cape Finisterre 45 Saturn moon Mimas 45 Earth 45 geosynchronous orbit 45 constellation Lyra 45 Astronomical Units 45 Sermilik Fjord 45 sub glacial lakes 45 tropic 45 thin crescent 45 Ross Ice Shelf 45 comet Churyumov Gerasimenko 45 driest deserts 45 Svalbard archipelago 45 Cassini flyby 45 interstellar boundary 45 GJ #b [001] 45 Geminids 45 cosmological distances 45 GJ #b [002] 45 monsoon trough 45 moon gravitational pull 45 KT boundary 45 nontropical 44 Atlantic Multidecadal Oscillation 44 coral atoll 44 Dry Valleys 44 Jovian moon 44 Mpc 44 KBOs 44 Kuiper Belt object 44 Milky Way galaxy 44 Marquesas islands 44 constellation Cygnus 44 Oceanus Procellarum 44 Upsilon Andromedae 44 mu Arae 44 tropical subtropical 44 moons orbiting 44 Pacific Subtropical Gyre 44 Saturn moon Iapetus 44 melting icebergs 44 Andes Mountains 44 waning crescent Moon 44 Antennae Galaxies 44 Hercules Inlet 44 deep convective clouds 44 Westerly winds 44 coastal upwelling 44 Perseus Cluster 44 Fomalhaut 44 cirrus cloud 44 moons Phobos 44 sunspots 44 Cerro Pachon 44 Galilean moons 44 Mandushev 44 Kuiper belt 44 Coma Cluster 44 interstellar medium 44 substorm 44 Laptev Sea 44 galactic magnetic 44 giant elliptical galaxy 44 tidal bulge 44 Southern Oscillation 44 seamount 44 Hellas Planitia 44 zone ITCZ 44 Saturnian system 44 observable universe 44 vernal equinox 44 volcanic ridges 44 sextile 44 volcanic islands 44 spinning clockwise 44 shadowy craters 44 Neptunian 44 west northwesterly direction 44 magnetosphere 44 barometric pressures 44 permanently shadowed crater 44 polar orbit 44 martian atmosphere 44 arcseconds 44 icecaps 44 tradewind 44 easterly 44 circumpolar 44 ocean 44 interglacial periods 44 sun 44 Eridanus 44 southwestward 44 Andromeda galaxy 44 Antarctic 44 comet Tempel Tuttle 44 foehn 44 Saharan dust 44 Laurasia 44 heliosheath 44 Orion Nebula 44 lunar crust 44 northeastwards 44 zodiacal light 44 ocean currents 44 trimaran Geronimo 44 infrared wavelengths 44 interstellar distances 44 VY Canis Majoris 44 southern hemispheres 44 Sunspots 44 Samoas lie 44 Nares Strait 44 Suriname Guyana 44 supermoon 44 cometary debris 44 smallest exoplanet 44 Voyager spacecraft 44 starboard jibe 44 hemispheres 44 Comet #P/Churyumov-Gerasimenko 44 auroral 44 Shackleton Crater 44 constellation Monoceros 44 counterclockwise rotation 44 Great Conveyor Belt 44 Betelgeuse 44 Guatemala Belize 44 tectonic plate boundary 44 redshifted 44 humid tropics 44 southeastwards 44 outer planets 44 permanently shadowed 44 Encke gap 44 constellation Scorpius 44 starlike object 44 oceanic currents 44 interstellar space 44 Earthlike planet 44 transiting exoplanet 44 arcminutes 44 shallow continental shelf 44 albedo reflectivity 44 Elysium Planitia 44 Svalbard Islands 44 #th meridian 43 Omega Centauri 43 Pacific Decadal Oscillation 43 austral 43 El Niño La Niña 43 orbital resonance 43 Milankovitch cycles 43 Andromeda Galaxy 43 bristlecone pines 43 sunspot cycle 43 oceanic plates 43 Gakkel Ridge 43 Cryogenian 43 X ray emission 43 Comet Halley 43 Halley Comet 43 meridional flow 43 galaxy cluster 43 Eta Aquarid meteor shower 43 icy comets 43 tectonic boundary 43 Tectonic plates 43 shifting tectonic plates 43 oceanic crust 43 Perseus constellation 43 solar radii 43 distant galaxy 43 Zeta Ophiuchi 43 equatorial orbit 43 protoplanetary disk 43 Kuiper Belt objects 43 planet Gliese #g 43 solar insolation 43 planet Gliese #c 43 transiting planet 43 perigee closest 43 stellar occultation 43 Kerguelens 43 volcanically active 43 Pacific Gyre 43 ENSO 43 constellation Auriga 43 subpolar 43 Ryukyu Islands 43 nautical miles #km [002] 43 synchronous polar 43 Mich Desj 43 Cape Horn 43 Seychelles archipelago 43 constellation Cassiopeia 43 spring equinox 43 elongated orbit 43 Gliese #d 43 Methone 43 Venusian 43 comet Lulin 43 constellation Carina 43 Cassini 43 Itokawa 43 meridional overturning circulation 43 Cerro Paranal 43 Oort Cloud 43 Kuiper Belt Objects 43 continental drift 43 southerly 43 Kuiper belt objects 43 ° #'N 43 subsurface ocean 43 twin rover Opportunity 43 infrared wavelength 43 accretion disk 43 Muchachos Observatory 43 constellation Puppis 43 Greenland icecap 43 transiting planets 43 volcanic archipelago 43 Pacific gyre 43 westerlies 43 Hunga Tonga 43 gravitational perturbations 43 continental landmass 43 interstellar cloud 43 heliospheric 43 upper tropospheric 43 moon Charon 43 Lyrids 43 Spitzbergen 43 Red Planet 43 HF propagation 43 HL Tau 43 hPa 43 icebergs 43 southerlies 43 mainlands 43 visible wavelengths 43 atmospheric convection 43 Endurance crater 43 inhabitable planets 43 Earth crust 43 glacial cycles 43 Kepler #b 43 predawn sky 43 Leonid meteors 43 calderas 43 comets asteroids 43 geostationary 43 icefields 43 COROT 7b 43 Orientale Basin 43 crustal plates 43 magnetospheric 43 Plutoids 43 north westerlies 43 ejecta blanket 43 Galilean satellites 43 Magellanic 43 Eberswalde crater 43 atmospheric circulation 43 Patagonian Andes 43 Circinus X 1 43 altitudes 43 X ray wavelengths 43 solar nebula 43 extinct volcanoes 43 proplyds 43 Gliese #g 43 Antarctic Dry Valleys 43 Sodebo 43 habitable zone 43 ancient Inca ruins 43 tropical climes 43 tropical archipelago 43 Perseus cluster 43 Curiosity rover 43 Goldilocks planet 43 aerosol concentrations 43 gravitational interaction 43 Brunt Ice Shelf 43 tectonic fault 43 asteroid flyby 43 Mimas 43 Ontario Lacus 43 Jakobshavn Isbrae 43 northeasterlies 43 interstellar dust clouds 43 volcanic activity 43 nebula 43 dense clumps 43 Winter solstice 43 Valles Marineris 43 magnetotactic bacteria 43 convective clouds 43 Mertz Glacier 43 Saturn magnetosphere 43 northern arctic plains 43 earthlike 43 waxing gibbous 43 thermocline 42 celestial bodies 42 multi decadal 42 antarctic 42 Equatorial Pacific 42 protoplanets 42 Earthlike 42 tropical cyclones 42 volcanism 42 Chajnantor plateau 42 CoRoT #b 42 Taurids 42 Kasei Valles 42 gibbous moon 42 Mauna Kea Hawaii 42 hotter climates 42 smoothest flattest 42 planet transits 42 Scilly Islands 42 -# degrees Fahrenheit [002] 42 gyres 42 planemos 42 nimbus clouds 42 Atlantic Gyre 42 cirrus clouds 42 polar orbits 42 planetary orbits 42 blue supergiant 42 retrograding 42 telescopic observations 42 -# degrees Celsius [001] 42 moonset 42 constellation Orion 42 Pavonis Mons 42 energetic electrons 42 potentially habitable planets 42 Furious Fifties 42 lithospheric 42 El Ninos 42 Gondwana supercontinent 42 upwelling 42 proto planetary disk 42 fist widths 42 atop Mauna Kea 42 planetoid 42 crater rim 42 lowermost mantle 42 equatorial forests 42 coronal loop 42 twin Voyager spacecraft 42 jetstream 42 El Niños 42 solar eclipse visible 42 solar irradiance 42 icy crust 42 Comet Churyumov Gerasimenko 42 glaciers retreated 42 Tuamotus 42 counterclockwise direction 42 produce colorful auroras 42 Late Paleozoic 42 glacier calving 42 globular cluster M# 42 Madden Julian Oscillation 42 Cabeus crater 42 constellation Pisces 42 atmospheric circulations 42 planetary nebulae 42 magma ocean 42 Nepal Bangladesh Bhutan 42 Saturn moons 42 Titan Saturn 42 Sunda trench 42 retrograde orbits 42 moonlets 42 ancient supercontinent 42 -# Celsius [001] 42 waning gibbous 42 teleconnections 42 nightside 42 Indian Ocean Dipole 42 Disko Bay 42 ° N 42 gaseous planets 42 JOYON 42 moon Io 42 Quaoar 42 Patagonian glaciers 42 Eurasian continent 42 exoplanetary systems 42 star Gliese 42 exoplanetary 42 solar prominences 42 grabens 42 planet HD #b 42 moon Mimas 42 comet orbit 42 MJO wave 42 solstice 42 El Teide 42 Bingiza 42 exo planets 42 protoplanet 42 Chilean Andes 42 circumstellar disk 42 sized planets orbiting 42 Lagoon Nebula 42 Geminids meteor shower 42 umbral 42 Drygalski ice tongue 42 supernova remnant 42 Orionid meteor shower 42 Samuel Oschin Telescope 42 cosmic rays 42 arctic plains 42 seawards 42 Geminid 42 Intertropical Convergence Zone 42 outermost 42 binary asteroid 42 tropical climates 42 Quadrantid meteor shower 42 Larsemann Hills 42 eyewall 42 Opportunity parachuted 42 Southern Oscillation Index 42 Corona Borealis 42 Valles Marineris canyon 42 Beta Pictoris b 42 Pluto Charon 42 abyssal plain 42 crustal plate 42 Comet Machholz 42 east coast 42 sun corona 42 cosmos 42 habitable planets 42 geostationary orbit 42 Mars 42 geosynchronous satellites 42 magnetic reconnection 42 dryline 42 warmer wetter 42 lunar crescent 42 moon Deimos 42 rocky headland 42 Substorms 42 Earth asteroid Itokawa 42 PKS #-# 42 sirocco 42 Alaskan glaciers 42 planet WASP #b 42 comets 42 electron diffusion 42 galaxy M# [001] 42 Svalbard Archipelago 42 convective 42 galaxy NGC 42 Arabia Terra 42 constellation Piscis Austrinus 42 deg 42 cumulus clouds 42 substorms 42 Lyrid meteor shower 42 Siberian Traps 42 -# degrees Celcius 42 arcsecond 42 rotate counterclockwise 42 colder drier 42 Cepheid variables 42 whales migrate 42 coolings 42 lenticular clouds 42 west northwesterly 42 galaxy 42 temperate climes 42 constellation Bootes 42 Vastitas Borealis akin 42 interglacial period 42 sunspot 42 durable twin rovers 41 Qaanaaq 41 distant suns 41 Delta Aquarids 41 Bonneville Crater 41 polar oceans 41 mya 41 thermosphere 41 craton 41 sunspot cycles 41 Jupiter moon Io 41 west coast 41 Ring Nebula 41 Chryse Planitia 41 martian surface 41 zodiacal constellation 41 lunar orbits 41 glacial melt 41 super Earths 41 Gabo Island 41 periodic dimming 41 NASA rovers Spirit 41 El Niño Southern Oscillation 41 Indonesian archipelago 41 Tropical cyclones 41 #.#oC [001] 41 Subduction zones 41 northeasterly 41 Martian arctic 41 coronal holes 41 colder denser 41 Alfven waves 41 subducted 41 Kilauea caldera 41 gamma ray emitting 41 Chilean Fjords 41 Kerguelen 41 elliptical galaxy 41 El Nino La Nina 41 nightglow 41 diurnal temperature 41 spacecraft orbited 41 permanently shadowed regions 41 suns 41 Bering Straits 41 summer solstice 41 Beta Pictoris 41 highly elliptical orbits 41 tidally 41 equator shrinks 41 spacecraft Cassini 41 galactic halo 41 Bering Strait 41 Gondwanan 41 penumbral lunar eclipse 41 tradewinds 41 Kure Atoll 41 westerly direction 41 hectopascals 41 glacial ice 41 Terra Meridiani 41 geyser plumes 41 Espenak 41 geomagnetic activity 41 icefield 41 warm moist 41 occulted 41 retrogrades 41 Khumbu Glacier 41 Lesser Antilles 41 elevational 41 volcanic moon Io 41 volcanoes 41 austral summer 41 hot Jupiters 41 Tharsis Rise 41 extrasolar 41 sailing upwind 41 orbital velocity 41 Saturn moon 41 Prydz Bay 41 Jean Pierre Bibring 41 Aurora Australis 41 VB #b 41 quasar 41 Delta Cephei 41 #knots 41 constellation Coma Berenices 41 GeV 41 rotating counterclockwise 41 blue cloud specked 41 Malay Peninsula 41 circumstellar disks 41 northerlies 41 KH #D 41 sailing downwind 41 moons orbiting Saturn 41 oceanic lithosphere 41 volcanic plumes 41 NASA QuikScat satellite 41 Trifid Nebula 41 protoplanetary disks 41 brown dwarf 41 coastal lowlands 41 constellation Ophiuchus 41 Ellesmere Island 41 Hadley Rille 41 Milankovitch 41 Earthlike planets 41 earths surface 41 Muckle Flugga 41 coldest windiest 41 polar craters 41 subglacial lake 41 Deep Impact craft 41 Sunda Straits 41 counter clockwise direction 41 tectonic stresses 41 asteroids orbiting 41 minus #degC 41 meteoroids 41 Laurentide ice sheet 41 sidereal 41 Marquesas Islands 41 interstellar particles 41 Geminga 41 Asteroid Belt 41 Composite Infrared Spectrometer 41 Chilean fjords 41 Polar Vortex 41 baryon acoustic oscillations 41 Mercury Uranus 41 spiral galaxy 41 outlet glaciers 41 brightest supernova 41 arid climes 41 gibbous 41 glaciations 41 southernmost Cape Verde 41 exosolar planets 41 ° #'E 41 asteroid belt 41 geo stationary orbit 41 outermost planets 41 Jupiter magnetosphere 41 Carina constellation 41 northerly climes 41 stationary lander 41 Uranian 41 Cosmic rays 41 Taklamakan Desert 41 spicules 41 Cosmic Microwave Background 41 oblate spheroid 41 orbiting 41 degrees fahrenheit 41 planets circling stars 41 subducted beneath 41 supercontinent Pangaea 41 Astronomically speaking