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(Click for frequent words.) 59 martian rocks 58 layered bedrock 58 olivine rich 57 lunar crust 56 Mars Gusev Crater 56 martian soil 56 HiRISE image 55 fossilized coral 55 basalt volcanic 55 Meridiani 55 microscopic imager 55 bedrock outcropping 55 landforms 55 volcanic basalt 55 equatorial plains 54 Phoebe orbits 54 mineral olivine 54 heavily cratered 54 Syrtis Major 54 yardangs 54 NASA Opportunity rover 54 Lander robotic arm 54 Gusev crater 54 ejecta blanket 54 Candor Chasma 54 rock outcrop 53 Horsehead Nebula 53 Reiner Gamma 53 reddish orange hue 53 concretions 53 Martian landscape 53 striations 53 jarosite 53 Endurance crater 53 Terra Sirenum 53 trilobite fossils 53 crossbedding 53 nautilus shell 53 Palaeozoic sedimentary 53 martian meteorites 53 olivine crystals 52 asteroidal 52 basaltic rocks 52 sedimentary layers 52 paleomagnetic 52 polar craters 52 Martian crater 52 journal Icarus 52 Endurance Crater 52 phyllosilicate 52 chondritic meteorites 52 NASA Mars Orbiter 52 hummocks 52 sulfate minerals 52 martian landscape 52 double helix nebula 52 spherules 52 Beachcombers collect tarballs 52 lunar craters 51 claystone 51 ancient lava flows 51 polygonal shapes 51 NASA rovers Spirit 51 calcite crystals 51 Pancam 51 Martian terrain 51 Helix nebula 51 lake sediments 51 interstellar cloud 51 HiRISE images 51 metamorphic rock 51 circular depressions 51 goethite 51 microscopic fossils 51 phyllosilicates 51 Arabia Terra 51 Omega Nebula 51 igneous rocks 51 fluid inclusions 51 planetary nebulas 51 protoplanet 51 stellar seismology 51 comet nuclei 51 outcrop 51 pinkish brown 51 Veil Nebula 50 hieroglyphic inscription 50 abyssal plains 50 starlike 50 Hellas Basin 50 cryovolcanism 50 carbon isotopes 50 shadowy craters 50 vugs 50 Chasma Boreale 50 stromatolites 50 solidified lava 50 Mini TES 50 lava tubes 50 Opportunity rover 50 lunar soil 50 Spiral galaxies 50 rock outcrops 50 calderas 50 Mars Squyres 50 speleothems 50 basaltic 50 Corot 7b 50 sedimentary deposits 50 retrograde orbit 50 Martian meteorites 50 Racetrack Playa 50 dazzlingly beautiful 50 metal zonation 50 Mars Meridiani Planum 50 Cydonia region 50 Martian dust 50 Mars Phobos 50 Saturnian moons 50 Terra Meridiani 50 sulfate salts 50 Martian craters 49 tholins 49 Martian rocks 49 Omega Centauri 49 Victoria Crater 49 petroglyphs carved 49 southern supercontinent 49 crinoids 49 shells driftwood 49 polygon shaped 49 sensuous curves 49 Galilean satellites 49 Trifid Nebula 49 granitic basement 49 Dumbbell Nebula 49 Outcrops 49 Herschel Crater 49 limonitic 49 A. ramidus 49 bathymetry 49 spatially resolved 49 Mossbauer spectrometer 49 meteorite craters 49 igneous rock 49 Cassini flyby 49 Guatemala Pacaya volcano 49 faintest galaxies 49 lightless depths 49 magma ocean 49 planets asteroids 49 sundog 49 Saturn moon 49 gray hematite 49 SHARAD 49 snail shells 49 King Herod tomb 49 Mesozoic sedimentary 49 overlying layers 49 crinoid 49 called lobate scarps 49 microscopic crystals 49 unfired clay 49 conodonts 49 Jovian moons 49 SDSS II 49 microbialites 49 proto planetary disks 49 Global Surveyor spacecraft 49 smoothest flattest 49 mineral hematite 49 Saturnian system 49 hydrated minerals 49 spinels 48 fossilized pollen 48 fossilized dung 48 icy moons 48 Kuiper Belt Objects 48 Coma Cluster 48 Arsia Mons 48 Descent Imager Spectral Radiometer 48 Mathieu Amalric stumbles 48 journal Geology 48 proplyds 48 zodiacal light 48 cloudscapes 48 lushly colored 48 delicate tracery 48 spheroidal 48 stalactite 48 layered sedimentary rock 48 rocks 48 lensing galaxy 48 biotite rich 48 unweathered 48 Saturn Enceladus 48 KH #D 48 lunar meteorites 48 stromatolite 48 Saturn moon Mimas 48 constellation Cassiopeia 48 evaporite 48 flowerlike 48 Microscopic Imager 48 spectral fingerprints 48 aragonite 48 volcanic sediments 48 mylonite 48 translucence 48 clastic sediments 48 APXS 48 AB Aurigae 48 P/# A2 48 Saturnian moon Titan 48 volcanic lava flows 48 rioters torched parked 48 HiRISE camera aboard 48 gypsum crystals 48 Meridiani Planum 48 microfossils 48 landform 48 turbidites 48 Robotic Arm Camera 48 ionized hydrogen 48 aboard Reconnaissance Orbiter 48 carbonaceous chondrites 48 underpainting 48 volcanic moon Io 48 Carina Nebula 48 granite gneiss 48 Ithaca Chasma 48 Aram Chaos 48 Sistine ceiling 48 iridescent sheen 48 gabbros 48 Mount Bosavi 48 petrographic 48 COROT 7b 48 Red Rectangle 48 Elysium Planitia 48 pinkish gray 48 rover Opportunity 48 cumulus cloud 48 particle analyzers 48 zircons 48 lunar highlands 47 Caloris Basin 47 SN #A 47 Martian volcanoes 47 pinwheel shaped 47 NASA twin rovers 47 Eagle Nebula 47 igneous intrusion 47 comet nucleus 47 floresiensis 47 ultramafic intrusives 47 subglacial 47 deepest darkest abyss 47 Geochemical analysis 47 plutonic 47 microbial mats 47 carbonate globules 47 ammonites 47 lobate scarps 47 starquakes 47 THEMIS Image 47 gaseous planet 47 tufa 47 Saturn rings 47 Bonneville Crater 47 distant supernovae 47 Ares Vallis 47 exo planets 47 dusty disks 47 scheelite bearing 47 watercolor washes 47 anorthosite 47 meteor craters 47 dense clumps 47 Ontario Lacus 47 Epsilon Aurigae 47 KBOs 47 cratons 47 alteration mineralogy 47 Martian gullies 47 circumstellar 47 Ring Nebula 47 reflection nebula 47 Pictographs 47 ostracods 47 martian surface 47 stony meteorites 47 darkly shaded 47 overpainting 47 Stromatolites 47 Viking orbiters 47 iridescent glow 47 dusty cocoons 47 subsurface geological 47 thick impasto 47 tufa towers 47 mammal fossils 47 spookfish 47 Olympus Mons 47 hydrated silica 47 intricate mosaic 47 Lake Cheko 47 volcanic pumice 47 diffraction patterns 47 abalone shell 47 sweeping panoramas 47 isotopic composition 47 reddish orange color 47 Kraken Mare 47 stain glassed 47 subtly shaded 47 interstellar grains 47 OMEGA instrument 47 Jovian moon 47 delicately patterned 47 bedrock outcrops 47 moonlets 47 filamentary structures 47 fossilized traces 47 hyena dung 47 rubbly 47 airglow 47 Competitor Reports deliver 47 Melas Chasma 47 granodiorite porphyry 47 ALH# 47 bilaterians 47 sediments deposited 47 comet McNaught 47 metasediment 47 protoplanetary disks 47 lichen covered 47 pigmented wax 47 wooden sarcophagi 47 planets comets 47 earthlike 47 Tianyulong 47 Justine Kurland 47 surface hoar 47 outcrops 47 Martian soil 47 finely textured 47 spacecraft flyby 47 iridium layer 47 volcanic tuff 47 carbonate minerals 47 cartonnage 47 oblong shapes 47 Neanderthal fossils 47 filamentary structure 47 solidified lava flows 47 whaleback 47 Mars Orbiter Camera 47 whorls 47 geometric constructions 47 stalagmites 47 NASA Cassini 47 melt inclusions 47 malachite mineralization 46 dino bones 46 Raman spectra 46 magmas 46 planet Gliese #g 46 endpapers 46 chalky white 46 radiometric dating 46 Undulating 46 Orion nebula 46 Murchison meteorite 46 whispery voice 46 polygon patterns 46 bonebed 46 volcaniclastics 46 Rover Opportunity 46 sedimentary rocks 46 interstellar dust grains 46 mirrorlike 46 dark berry flavors 46 nautilus shells 46 TOLEDO BEND Water 46 Jupiter moons Europa 46 massifs 46 Martian surface 46 smoggy atmosphere 46 abyssal plain 46 Mars Orbiter 46 cometary material 46 quartz feldspar porphyries 46 Virgo Cluster 46 mudstone 46 gauzy veil 46 andesitic volcanic rocks 46 conglomeratic 46 thickly textured 46 Radiocarbon tests 46 icicle shaped 46 plagioclase 46 hematite mineral 46 lobate 46 flood basalts 46 Jupiter moon Io 46 V# Mon 46 Tharsis Rise 46 Cassini flybys 46 Trilobites 46 lacelike 46 Valles Marineris 46 fossils 46 GJ#b 46 mica schist 46 geologic 46 CONROE Water 46 pastel crayons 46 martian 46 Saturn outermost ring 46 geoneutrinos 46 ferric oxides 46 Earthly contamination 46 prehistoric monuments 46 contours hazy 46 outer corona 46 mineralogical composition 46 bas relief sculptures 46 chitons 46 crustal thickness 46 pinkish purple 46 jaggedness 46 hematite goethite 46 dolerite 46 eva longoria divorce 46 intricately layered 46 hydroxyl molecules 46 anamensis 46 Willendorf 46 meteorite fragments 46 ah dus 46 petrological 46 rusticles 46 Bronze Age burial 46 Navajo sandstone 46 Coma cluster 46 shadowed craters 46 lavas 46 moons Phobos 46 glacial erratics 46 tektites 46 darkly colored 46 comets asteroids 46 nebula NGC 46 fieldstone walls 46 Duane Michals 46 refrozen ice 46 carbonaceous chondrite 46 underdrawing 46 earthshine 46 Charon Pluto 46 layerings 46 sediments 46 sediment cores 46 glacial sediments 46 leafless branches 46 planets moons 46 submillimeter galaxies 46 constellation Eridanus 46 ethereal glow 46 Antarctic Dry Valleys 46 Tooth enamel 46 foreground galaxy 46 COLETO CREEK Water 46 spinifex 46 Sedimentary rocks 46 cinder cones 46 russet colored 46 mosaic floors 46 Wilkinson Microwave Anisotropy Probe 46 sweetheart bodice 46 undersea volcanoes 46 zodiac constellations 46 mineralized intrusive 46 noctilucent clouds 46 pillow basalts 46 sheared ultramafic 46 rover panoramic 46 retroreflector 46 photogram 46 Martian plains 46 planemos 46 Middle Awash 46 carbonaceous mudstone 46 night blooming cereus 46 Diviner 46 Uelsmann 46 MMI soil geochemical 46 abstract shapes 46 moon Iapetus 46 potsherds 46 Transantarctic Mountains 46 glacial moraines 46 Uranus Neptune 46 milky quartz 46 finely etched 46 Roman bathhouse 46 lithosphere 46 richly evocative 46 driftwood sculptures 46 morphology 46 torosaurus 46 moon Mimas 46 crystalline silicates 46 azurite 46 starscape 46 Kai Steinmann 46 ancient supercontinent 46 brittle deformation 46 moraines 46 quartz feldspar porphyry intrusive 46 Cometary 46 Talpiot Tomb 46 meteor fragment 46 smoothest flattest spot 46 Chankillo 46 moons orbiting 45 inner asteroid belt 45 Kuiper belt 45 Bug Nebula 45 volcanic rock 45 Neptune Uranus 45 Epimetheus 45 borehole electromagnetic 45 outcropping 45 pterosaur fossils 45 opalescent 45 gazing dreamily 45 calcareous 45 isotopic ratios 45 promontories 45 receding glacier 45 dragonfly wings 45 Neanderthal teeth 45 Compositionally 45 ejecta 45 CADDO Water 45 Massospondylus 45 layered outcrops 45 basalt columns 45 stipple 45 Hematite Slope 45 Mars rovers Spirit 45 exquisitely rendered 45 moon Dione 45 ferny 45 Tarantula Nebula 45 hexagonal lattice 45 basaltic lava 45 Martian meteorite 45 large oceanic plateaus 45 GQ Lupi 45 Sarahsaurus 45 AU Mic 45 golden orb 45 Meridiani plains 45 radiocarbon dates 45 Ringed Planet 45 NASA Spirit rover 45 partial skeleton 45 pale mauve 45 Giovanni Cassini 45 Saturn moon Enceladus 45 geometrical shapes 45 barred spiral galaxy 45 Saturn Jupiter Uranus 45 Galaxy Evolution 45 moonlet 45 McMurdo Dry Valleys 45 pebbly 45 microphotography 45 earliest tetrapods 45 atomically flat 45 postholes 45 cometary debris 45 planetary geologists 45 molten magma 45 comets orbiting 45 XMM Newton 45 swirling dust devils 45 calc silicate skarn 45 layered ultramafic 45 braincase 45 isosceles triangle 45 translucently 45 deeply incised 45 basal till 45 scalloped edging 45 striated 45 microfossil 45 nebulosity 45 gibbous 45 icy moon Enceladus 45 foraminifera 45 permanently shadowed craters 45 Saturnian moon 45 papyrus manuscript 45 middens 45 moon Io 45 scanning electron microscope SEM 45 Triassic Jurassic 45 Kuiper belt objects 45 mantle convection 45 Evolution Explorer 45 purplish brown 45 Hellas Planitia 45 Ellipses 45 chancel arch 45 constellation Virgo 45 hilly mountainous terrain 45 earliest hominid 45 Saturn moons 45 delicate filigree 45 glacially carved 45 seafloors 45 anastomosing 45 granitic rock 45 extrusive 45 Denisova cave 45 towering firs 45 interplanetary dust 45 occultations 45 quasicrystal 45 Anomalous radioactivity 45 gastropod 45 moon Enceladus 45 carbon spherules 45 Corona Borealis 45 perspectival 45 brachiopod 45 Hadley Rille 45 variably silicified 45 Earthlike planets 45 SN#A 45 flowery prints 45 Cepheid variables 45 ashlar 45 Saturn Cassini 45 mineralogy 45 illusionistic 45 Emmet Gowin 45 moon Phobos 45 placer workings 45 charcoal sketch 45 cometary dust 45 refracts 45 Heterodontosaurus 45 photosphere 45 gauze veil 45 Selwyn Basin 45 telescopic observations 45 sterile neutrino 45 Cambrian Ordovician 45 Caloris 45 thinly layered 45 Dig unearths 45 olivine mineral 45 Diviner instrument 45 Mars moon Phobos 45 structurally deformed 45 Laetoli 45 westerly dipping 45 lunar maria 45 Berkeley Geochronology Center 45 inner turmoils 45 clasts 45 Egyptian hieroglyphs 45 morphological similarities 45 lain undisturbed 45 Spitzer Space Telescope 45 Martian dunes 45 sphinx statues 45 Orbiter LRO 45 Rosette Nebula 45 Antarctic glaciers 45 sedimentary rock 45 biosignatures 45 honeycomb pattern 45 basalts 45 nebular 45 Hubble Space 45 Comet 9P/Tempel 1 45 ramidus 45 greenish glow 45 gravitational lenses 45 variably mineralized 45 geoglyphs 45 abstract geometric 45 seafloor sediment 45 geometrical patterns 45 grabens 45 disseminated sulfide 45 micrograph 45 Michael Studinger 45 zodiacal dust 44 sandstone slab 44 chemical abundances 44 chambered nautilus 44 interstellar boundary 44 biomorphic shapes 44 Great Orion Nebula 44 NASA rover Spirit 44 intricately folded 44 pyroxene 44 basaltic rock 44 quartz grains 44 gorgonians 44 porous sandstone 44 asteroid Eros 44 komatiite 44 descriptive prose 44 Neogene 44 Denisova Cave 44 windblown sand 44 basalt rock 44 serpentinized 44 oceanic crust 44 HL Tau 44 lunar magma 44 KT boundary 44 Cassini Image 44 Neanderthal skeletons 44 matter antimatter asymmetry 44 coprolite 44 Voynich Manuscript 44 Martian equator 44 Gamma ray burst 44 orangey brown 44 Uranus Jupiter 44 Viking Lander 44 Nectocaris 44 hitherto undiscovered 44 celestial sphere 44 galaxies collide 44 stratiform 44 hydrothermal fluid 44 zircon crystals 44 Stephan Quintet 44 erosional 44 hornblende 44 planetary nebulae 44 triangular shapes 44 fractal patterns 44 glass prisms 44 trilobite 44 painstakingly sifted 44 mathematical theorem 44 Iguanodon 44 rhombus 44 photograms 44 granite outcroppings 44 seamount 44 tidal pools 44 coprolites 44 Cela Conde 44 filamentary 44 WNW trending 44 Hyakutake 44 Beautifully crafted 44 gauzy fabrics 44 Oort cloud 44 whitish yellow 44 metamorphic rocks 44 elongated snout 44 medieval tapestries 44 burls 44 clouds scud 44 Brilliantly colored 44 pottery shard 44 cosmic collisions 44 Thomas Houseago 44 narrowly escaped Petralia 44 Breathtakingly 44 volcanoclastic 44 ostracodes 44 lineaments 44 chandelier dripping 44 Jovian atmosphere 44 FORK Water 44 Nasca Lines 44 Lagoon Nebula 44 jovian 44 scrubby vegetation 44 xenoliths 44 NEAs 44 look distractingly cartoony 44 graying curly hair 44 Mawrth Vallis 44 NASA Cassini spacecraft 44 sulfur isotope 44 chiton 44 Venusian atmosphere 44 nucleosynthesis 44 paleoclimate 44 interacting galaxies 44 frog spawn 44 type Ia supernova 44 Martian polar 44 globular star 44 flower petal 44 silicate rocks 44 ULP cepheids 44 polar layered 44 spherical objects 44 Navajo Sandstone 44 Australopithecus sediba 44 assumed planets circling 44 Mars rover Opportunity 44 hominid fossil 44 DISR 44 moon Charon 44 Shekhina 44 paleochannel 44 scarps 44 magnetite crystals 44 craters 44 fossilized shells 44 crackle glaze 44 erectus skulls 44 Context Camera 44 cosmic microwave radiation 44 richly hued 44 meta sedimentary 44 arctic plains 44 dinosaur footprints 44 geomorphology 44 multicellular creatures 44 lotus leaves 44 fine grained sediments 44 constellation Carina 44 spodumene bearing 44 past boninite lavas 44 Roman villa 44 muon neutrino 44 merging galaxies 44 spiral nebulae 44 mossy green 44 Boar Tusk 44 chondritic 44 Nazca lines 44 rocky outcrop 44 CRISM 44 ringed planet 44 Kepler #b 44 rockpools 44 Galileo spacecraft 44 Silicified 44 moons 44 Dry Valleys 44 bilaterally symmetrical 44 yellow ocher 44 pristinely preserved 44 hauntingly lovely 44 silicate mantle 44 asthenosphere 44 silicate dust 44 Herod funeral procession 44 Antiope 44 lithography etching 44 dwarf spheroidal galaxies 44 Hot Jupiters 44 Reporter Ariel Zangla 44 Iapetus 44 pegmatite hosted 44 Saturn moon Iapetus 44 soot dotted 44 rune stone 44 star Spica 44 Brownian particles 44 protoplanetary disk 44 Proterozoic basement 44 abstract landscapes 44 Mini Thermal Emission 44 Herschel telescope 44 Jurassic limestone 44 single celled algae 44 Hawaii van Dokkum 44 magma chambers 44 Hipparchus 44 Himalayan river basins 44 underwater volcanoes 44 comet Churyumov Gerasimenko 44 protoplanetary disc 44 circumstellar disk 44 moon permanently shadowed 44 altered sedimentary 44 tannish 44 Orcus Patera 44 lunar topography 44 crust 44 cometary 44 seafloor sediments 44 stalagmite 44 Kahlo paintings 44 termite mound 44 quartz boulders 44 Lemarchant prospect 44 Dodo Goldilocks 44 Upper Triassic 44 BOB SANDLIN Water 44 Triceratops skull 44 lotus petals 44 reclining nudes 44 Vastitas Borealis 44 abstract compositions 44 electron orbits 44 Ileret 44 micaceous 44 nebula 44 limestone bedrock 44 mudstones 44 lapilli 44 Fermi telescope 44 duck billed platypus 44 Nature Geosciences 44 moondust 44 orb shaped 44 perchlorate salts 44 Upsilon Andromedae 44 Cut crosswise 44 waxwing 44 fainter objects 44 Extrasolar Planet 44 comet Lulin 44 hibiscus blossoms 44 graphite drawings 44 lotus leaf 44 dromaeosaurid 44 modal melodies 44 CAUTION TO READERS 44 Planitia 44 argillic altered 44 turquoise ruby 44 leathery golfball sized 44 Nili Fossae 44 bright reddish orange 44 Kenneth Libbrecht 44 glazed porcelain 44 onionskin 44 Antarctic Ice Shelf 44 palm frond beckoned 44 mossy rocks 44 Asilisaurus 44 mantle plumes 44 scroll fragments 44 Valles Marineris canyon 44 Maria Lauterbach Hudson 44 sandstone spiers 44 orbiting Saturn 44 Byzantine mosaic 44 stained reeds 44 moons circling 44 coppery brown 44 de Pater 44 constellation Andromeda 44 fragrant rosemary 44 Eric Drooker 44 sister taxon 43 Renaissance fresco 43 sand silt 43 oxygen isotope 43 Detailed geological mapping 43 waterfall cascades 43 jewel hued 43 Cygnus Lyra region 43 fossil specimens 43 Space Telescopes 43 Muchachos Observatory 43 dubbed Dodo Goldilocks 43 moon Mab 43 banded quartz vein 43 Nasa Mars Reconnaissance 43 intrinsic brightness 43 pinkish orange 43 planets orbiting sun 43 hexagonal pattern 43 Gravitational waves 43 cat's eye 43 Tiktaalik roseae 43 sculptural shapes 43 intricate stonework 43 eclogite 43 limestone outcrops 43 Grillmair 43 handed waffle cone 43 moons Io Europa Ganymede 43 logbooks maps 43 Ground penetrating radar 43 Opportunity Mars rover