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(Click for frequent words.) 63 carbonaceous meteorites 60 Globular clusters 58 dirty snowballs 57 stony meteorites 57 hematite mineral 57 Neutron stars 57 comet nuclei 57 penicillium 56 olivine crystals 56 mineral hematite 56 phyllosilicate 55 Pollen grains 55 carbonaceous chondrites 55 aluminosilicate 55 meteorite fragments 55 metamorphic rock 55 stromatolite 55 carbonaceous material 55 hydrated minerals 55 microscopic fossils 54 hydrated silica 54 silicate minerals 54 fossilized dinosaur dung 54 concretions 54 silicate mantle 54 pigmented wax 54 amorphous silica 54 comets asteroids 54 microfossils 54 phytoliths 53 magnetite crystals 53 pollen spores 53 feldspars 53 chondrites 53 phyllosilicates 53 silicate dust 53 meteorites 53 calcium oxalate crystals 53 protozoans 53 primitive meteorites 53 silicate mineral 53 snail shells 53 chondrules 53 unicellular algae 53 igneous rock 53 spherical objects 53 silicate rocks 53 Sphagnum moss 53 sphagnum 53 lamellae 52 varying densities 52 element boron 52 seafloor sediments 52 montmorillonite 52 fungus Aspergillus 52 corundum 52 solidified lava 52 zinc sulfide 52 planets asteroids 52 Mosquito larvae 52 cenospheres 52 volcanic lava 52 silicate grains 52 shallow depressions 52 planetesimal 52 carbonate globules 52 Calcium carbonate 52 conodonts 52 photosynthetic microbes 52 ostracods 52 spherical particles 52 micrometer sized 52 calcareous 52 KBOs 52 leachates 52 cellulose hemicellulose 52 globulars 51 isotopic ratios 51 Polycyclic aromatic hydrocarbons 51 loess soil 51 carbonate minerals 51 lunar crust 51 microbialites 51 sedimentary layers 51 dense clumps 51 seafloor sediment 51 naturally occurring mineral 51 Formic acid 51 graphite whiskers 51 single celled microorganisms 51 Martian meteorites 51 capsids 51 speleothems 51 organometallic compounds 51 Mold spores 51 Murchison meteorite 51 crystalline silicates 51 inorganic substances 51 sulfate minerals 51 microbial organisms 51 calcium bicarbonate 51 porous sandstone 51 plantlike 51 martian rocks 51 chondritic meteorites 51 spheroidal 51 multi celled 51 inorganic ions 51 paraffin embedded tissue 51 inorganic salts 51 calcite crystals 51 basalt volcanic 51 isotopic compositions 51 Spiral galaxies 51 yardangs 51 mineral apatite 51 nanobubbles 51 stromatolites 51 sodium magnesium 51 Domoic acid neurotoxin 50 forams 50 silicates 50 bryozoans 50 amino acids peptide 50 bentonite clay 50 invertebrate animals 50 X ray binaries 50 photosynthetically 50 olivine 50 fecal pellets 50 single celled algae 50 presolar grains 50 halite 50 meteoritic material 50 medium grained 50 lunar soil 50 cometary dust 50 iron oxides 50 Nuvvuagittuq greenstone belt 50 silica nanoparticles 50 Cladosporium 50 Water striders 50 single celled bacteria 50 carbonaceous chondrite 50 crinoids 50 beetles moths 50 Zooplankton 50 algaes 50 celled organisms 50 igneous rocks 50 impactors 50 single walled nanotubes 50 interstellar molecules 50 quartz grains 50 single celled organisms 50 icy moons 50 foraminifera 50 GJ#b 50 dinosaur skulls 50 Beech tree trunks 50 nanosized 50 venom glands 50 hemoglobin molecules 50 cherts 50 giant elliptical galaxies 50 polymer beads 50 coral skeletons 50 elemental abundances 50 graphitic carbon 50 bacteria Clostridium botulinum 50 spherules 50 spherical shapes 50 inorganic compounds 50 atomic lattice 50 basaltic rocks 50 capillary tubes 50 tuffaceous rocks 50 mineral assemblages 50 starch granules 50 chemically reactive 50 Tagish Lake meteorite 50 ivory flutes 50 silicon monoxide 50 radioactive nuclei 50 Slime molds 50 polygonal shapes 50 hollow spheres 50 nanoclays 50 Penicillium 50 P. syringae 49 protocells 49 volcanic basalt 49 plastids 49 fine grained sediment 49 neutrino mass 49 basalts 49 microbiomes 49 soluble salts 49 Earthly contamination 49 silcrete 49 nanotubes nanowires 49 microfossil 49 Diatoms 49 micrometer sized particles 49 hollow cylinders 49 zebra mussel larvae 49 naturally occurring minerals 49 crustal rocks 49 sediments deposited 49 basalt rocks 49 lacustrine 49 urinary calculi 49 spicule 49 manganese oxides 49 crystallites 49 synchrotron x ray 49 proto planetary disks 49 microbial mats 49 Elemental mercury 49 circumstellar 49 daikon radishes 49 needlelike 49 mollusk shells 49 tholins 49 rotifer 49 isotope ratios 49 decaying vegetation 49 biosignatures 49 sulfide minerals 49 fungal hyphae 49 boron nitride 49 clay loam 49 limestone slabs 49 crystalline solids 49 nanosprings 49 bandgaps 49 variably silicified 49 soluble proteins 49 stony meteorite 49 lapilli 49 fungus gnat 49 prokaryote 49 Micromonas 49 fungus spores 49 volcanic lava flows 49 agarose 49 tardigrades 49 icy comets 49 glass frit 49 crystal lattices 49 nanoscale particles 49 adventitious roots 49 sedimentary rock 49 hardwood mulch 49 mussel shells 49 magma chambers 49 alluvial soils 49 inverted cone 49 nano fibers 49 bacterial decomposition 49 mildly acidic 49 mycelia 49 photosynthetic organisms 49 granite outcroppings 49 sunlike stars 49 microenvironments 49 kaolinite 49 perfectly spherical 49 strangelets 49 insecticidal properties 49 Martian craters 49 hydrated electron 49 protoplanetary disks 49 fossilized shells 49 Prussic acid 49 green alga 49 trimers 49 planetary magnetospheres 49 interstellar dust grains 49 turbidites 49 hydrogen isotopes 49 amyloid fibers 49 goethite 49 pearlite 49 metallic nanotubes 49 endospores 49 calcium carbonates 49 iron sulphides 49 marine sediments 49 ray florets 49 biominerals 49 pore spaces 49 calcite 49 peat moss vermiculite 49 spherical nanoparticles 49 Nanopores 49 hydroxyl molecules 49 enargite 49 supermassive stars 48 anorthosite 48 aerogels 48 fluid inclusions 48 fungal genomes 48 Sulphates 48 parsley chervil 48 red supergiants 48 ferric oxides 48 organism genome 48 eluvial 48 Cut crosswise 48 AGNs 48 schistose 48 carbon isotopes 48 naturally occurring radium 48 multicellular animals 48 nanoscale pores 48 chlorophyll molecule 48 finely dispersed 48 rubbly 48 Morel mushrooms 48 Comet Tempel Tuttle 48 cell nuclei 48 sulfide ores 48 Paleozoic sedimentary 48 nebular 48 crushed oyster shells 48 zircons 48 lunar meteorites 48 unbranched 48 smectite 48 pyroxene 48 meteor impacts 48 unicellular organisms 48 glacial moraines 48 grape clusters 48 CAIs 48 luminous galaxies 48 hydrous 48 particle sizes 48 relativistic jets 48 zeolites 48 sedimentary deposits 48 subterranean caves 48 felsic tuff 48 dye molecules 48 interstellar grains 48 pottery jars 48 chrysocolla 48 coccolithophores 48 vertebrate fossils 48 hydrothermal magnetite 48 lava tubes 48 polypeptide chain 48 clasts 48 lavas 48 primordial ingredients 48 undercoats 48 granitoids 48 photic zone 48 Paleobiology Database 48 rootlets 48 massive sulphide horizons 48 microscopic specks 48 breccia matrix 48 interstellar clouds 48 chondritic 48 biomasses 48 scanning electron microscopes 48 simulants 48 Dust devils 48 freestone 48 proteinaceous 48 laser irradiation 48 loam soils 48 salt crystals 48 hydrothermally 48 mica schist 48 polystyrene beads 48 basaltic 48 cedar glades 48 photosynthesising 48 Subterranean termites 48 supermassive 48 biomineral 48 Fullerenes 48 spectral measurements 48 stony soils 48 spruce cones 48 nanoliter 48 microscopic crystals 48 liverwort 48 carbon spherules 48 loess 48 cosmic ray collisions 48 worm Caenorhabditis elegans 48 barium chloride 47 perchlorates 47 ferruginous 47 pollutant particles 47 fossilized pollen 47 trilobites 47 chlorophyll fluorescence 47 Fungal spores 47 algal species 47 peat soils 47 galactic clusters 47 humic acids 47 atom smashers 47 Millipedes 47 potassium feldspar 47 meteor craters 47 nitrates phosphates 47 calcic 47 phytoplankton zooplankton 47 Arabidopsis plants 47 Telephoto lenses 47 nanoprobes 47 Chert 47 microhabitats 47 Brine shrimp 47 octahedron 47 spheroids 47 deciduous azaleas 47 1m 3ft 47 silica 47 planetesimals 47 Sphagnum 47 sandy loams 47 drupes 47 xenoliths 47 branching corals 47 depositional environment 47 micrometeorite impacts 47 quartz crystals 47 olivines 47 pine spruce fir 47 magnetic excitations 47 zircon crystals 47 Allende meteorite 47 micrometres thick 47 elongated snout 47 radula 47 Cockroach allergens 47 Meteorites 47 Earthlike 47 globular proteins 47 barium titanate 47 catalytically active 47 pallasite 47 gecko hairs 47 Wassonite 47 Infested trees 47 silica alumina 47 tracheae 47 dichromate 47 tiny tubules 47 Graphene oxide 47 windblown sand 47 deepwater corals 47 bacterial colonies 47 carbides 47 gaseous planets 47 Dryer sheets 47 Pollens 47 algal mats 47 spectral fingerprints 47 waxy coating 47 synthetic polymers 47 yttrium barium copper 47 spoilage bacteria 47 eukaryote 47 Neanderthal fossils 47 Fermions 47 fruiting bodies 47 polygon shaped 47 Dried figs 47 freshwater lakes rivers 47 ellipsoids 47 black sooty mold 47 Pseudomonas syringae 47 claystone 47 arabidopsis 47 tektites 47 supernova explosions 47 polymerizes 47 metamorphic rocks 47 metallic oxides 47 polystyrene spheres 47 flowerheads 47 Hot Jupiters 47 icosahedral 47 impermeable clay 47 sulfosalts 47 unglazed clay 47 pyrite marcasite 47 trihalomethanes THMs 47 juglone 47 fall webworms 47 feldspar 47 Magnetars 47 aragonite 47 Liquid nitrogen 47 collagen molecules 47 boron nitride nanotubes 47 quartz veins containing 47 olivine rich 47 waxy substance 47 mucilage 47 Dwarf galaxies 47 marine invertebrate 47 Asbestos fibers 47 microbials 47 fleshy fruits 47 loamy sand 47 cometary material 47 spandrel panels 47 greenish yellow flowers 47 bacterias 47 Peat bogs 47 fullerene molecules 47 amphibole asbestos 47 Wolf Rayet stars 47 Jovian planets 47 dusty cocoons 47 microscopic 47 Longleaf pine 47 lotus leaves 47 nutlets 47 Ice Age mammals 47 carbon nanostructures 47 Escherichia coli bacteria 47 abyssal plains 47 vugs 47 potassium salts 47 trichomes 47 lobate 47 concentric layers 47 icicle shaped 47 Sulfates 47 pegmatitic 47 magnetic monopoles 47 metamaterial structures 47 fossilized coral 47 Rydberg atoms 47 herbarium specimens 47 cratons 47 glazed ceramics 47 graphite oxide 47 planets atmospheres 47 coarse sand 47 eclogite 47 sandstone boulders 47 micrometre sized 47 Veil Nebula 47 freshwater snail 47 MWCNTs 47 halloysite 47 Steep slopes 46 Microbursts 46 silvery scales 46 repellent coatings 46 quasicrystals 46 collagen fibrils 46 Tooth enamel 46 hydrocarbon molecules 46 titanium oxides 46 amphibolites 46 hexagonal lattice 46 Shewanella oneidensis 46 mesoporous 46 stellar nurseries 46 fluorapatite 46 stockwork veins 46 microscopic creatures 46 Use paring knife 46 Finished compost 46 fir bark 46 geometrically shaped 46 nematode worm 46 prussic acid 46 Neanderthal bones 46 β galactosidase 46 rubbery polymer 46 ferric oxide 46 Dehalococcoides 46 fossilized creatures 46 B meson 46 vibrio bacteria 46 Stachybotrys chartarum 46 bacterial spores 46 volcanic pumice 46 fulvic acids 46 ellipsoidal 46 APXS 46 comets orbiting 46 claylike 46 zircon grains 46 sassafras trees 46 stalactites stalagmites 46 Trifid Nebula 46 comet particles 46 Heme iron 46 Cellulose fibers 46 mammal fossils 46 basalt rock 46 ultraviolet sunlight 46 nanopillars 46 titanosaurs 46 organic molecules 46 circumstellar disk 46 ALH# 46 Stromatolites 46 viscous fluid 46 tiny single celled 46 PM#.# particles 46 oxidized mercury 46 spatially resolved 46 lunar meteorite 46 infrared spectral 46 Spitzer infrared spectrograph 46 nanosize 46 histiocytes 46 amino acid cysteine 46 Mercury magnetosphere 46 inflorescences 46 gelatinous mass 46 exudates 46 silica particles 46 helical structures 46 reddish orange hue 46 drywood termites 46 pine planks 46 iron sulfide 46 tremolite 46 Neanderthal teeth 46 silicone caulking 46 zucchini lengthwise 46 geochronology 46 naphthenic acids 46 rot fungus 46 photochemically 46 bacteria archaea 46 piezoelectric crystals 46 peaty soil 46 colluvial 46 C# fullerenes 46 trans lycopene 46 molar teeth 46 Photonic crystal 46 glazed pots 46 specular hematite 46 chromosphere 46 Calcium chloride 46 semiconducting materials 46 gypsum plaster 46 terranes 46 rodent nests 46 banded quartz veins 46 shortleaf pine 46 spectroscope 46 martian meteorites 46 pinhead sized 46 filamentous algae 46 iron sulfate 46 noble gases 46 uranophane 46 umbels 46 honeycomb shaped 46 leaf undersides 46 coarser grained 46 Hair follicles 46 osmium 46 wormlike 46 decay fungi 46 fingerlike projections 46 radar interferometry 46 single celled yeast 46 activated carbons 46 Berea sandstone 46 rust pustules 46 microscopic organisms 46 chalcogenides 46 biocompatible nanoparticles 46 layered ultramafic 46 melt inclusions 46 pediment gravels 46 inorganic nanostructures 46 TiO2 nanoparticles 46 biocompatible polymers 46 chemically processed 46 Tianyulong 46 superconducting coils 46 microstructures 46 circular depressions 46 ultracold temperatures 46 Outcrops 46 spicules 46 basaltic lava 46 adzes 46 asteroids comets 46 dense LDL 46 prokaryotic organisms 46 diatom species 46 magnesium salts 46 limestone bedrock 46 x ray beams 46 tetrapods evolved 46 sticky mucous 46 granulate 46 petaled flowers 46 extrasolar 46 element osmium 46 oakleaf 46 lunar magma 46 amphibolite 46 polymer membranes 46 chenille stems 46 microplastics 46 strontium titanate 46 carbonaceous 46 cinder cones 46 sequenced genomes 46 lunar craters 46 nanogels 46 geotextile fabric 46 accretion disks 46 RNA fragments 46 glazed porcelain 46 normal prion proteins 46 baryonic matter 46 masa dough 46 cotyledons 46 inorganic contaminants 46 colloidal crystals 46 methyl cyanide 46 wettability 46 pottery sherds 46 ammonites 46 spectral signatures 46 chlorophyll molecules 46 organic frameworks MOFs 46 microcantilevers 46 carbon cenospheres 46 Xenopus embryos 46 Particle accelerators 46 ribosomal RNA rRNA 46 nanocomponents 46 inorganic nanoparticles 46 nanoporous 46 galactic halo 46 antiquarks 46 mafic intrusive 46 gill slits 46 peat moss perlite 46 spinal cysts 46 nanometer sized 46 micrometre scale 46 manganese oxide 46 nanosheets 46 relativistic protons 46 culms 45 clays 45 Aerogels 45 planetary nebulae 45 aluminous 45 thermal vents 45 comparative genomic analysis 45 quaggas 45 bdelloids 45 hollow cylindrical 45 Nomura jellyfish 45 biofactories 45 Epoxy resins 45 hornblende 45 mycobacterium avium 45 nanosized particles 45 calcium sulphate 45 ejecta blanket 45 mineral olivine 45 staphylococcus bacteria 45 bottomland hardwoods 45 Nanoshells 45 disseminated sulfide 45 boles 45 amphibole 45 ozone particulate matter 45 colored funerary masks 45 nano crystals 45 concretion 45 Geochemical analysis 45 pottery kilns 45 volcanic cinders 45 mycelium 45 abnormal prions 45 tetroxide 45 hexamers 45 tetramers 45 phosphorous potassium 45 CaesarStone quartz 45 resonant frequencies 45 spectroscopic analysis 45 Middle Paleolithic 45 micrometeoroids 45 drywood 45 meteoroids 45 barium carbonate 45 mimivirus 45 HARPS instrument 45 lepidolite 45 hairlike 45 granites 45 micaceous 45 Kuiper belt objects 45 disused mines 45 uncompacted 45 calcium carbonate 45 siliceous sediments 45 Gamma rays 45 dunite 45 planet Gliese #g 45 tokamaks 45 planktonic organisms 45 nanocages 45 microscopic single celled 45 meteorite impacts 45 Palaeozoic sedimentary 45 tarlike 45 granite gneiss 45 endocasts 45 bandsaw blades 45 anti microbial peptides 45 martensite 45 graphene membranes 45 toxic mercury vapor 45 nonmagnetic 45 lithic 45 heatproof glass 45 vibrating strings 45 chondrite 45 alkali atoms 45 liquid crystal polymers 45 unglazed 45 roseum 45 overlying layers 45 chestnut oaks 45 tufa 45 dense neutron stars 45 sulphide minerals 45 submicroscopic 45 infertile soils 45 yellow ocher 45 Nectocaris 45 Boxelder bugs 45 fat globules 45 galactic cores 45 cyanoacrylates 45 microcracks 45 supergiant stars 45 Tertiary volcanic 45 Henize #-# 45 coarse pyrite 45 irregular shapes 45 strain GFAJ 1 45 volcanic magma 45 polar mesospheric clouds 45 flood basalts 45 photosynthetic apparatus 45 Antarctic Dry Valleys 45 siliceous 45 sedge meadow 45 uraninite 45 hollow tubes 45 Hummingbird feeders 45 rhyolite tuff 45 akoya pearls 45 diatoms 45 boron atoms 45 icy crust 45 crystalline lattice 45 comets 45 dust mites pet dander 45 single celled microbes 45 aqueous environments 45 eudialyte 45 lithium bearing brines 45 UV wavelengths 45 dissecting microscope 45 ceramic shards 45 bacterial biofilms 45 jarosite 45 barium sulfate 45 Microscopic particles 45 RNA sequences 45 Heirloom seeds 45 abyssal plain 45 annelids 45 plagioclase 45 shear veins 45 carbide inserts 45 geodes 45 starch grains 45 dacite 45 heterojunctions 45 ultramafic intrusives 45 hummingbird moths 45 dissolved salts 45 Zeolites 45 microwell plates 45 bulblets 45 graphene layers 45 pyrrhotite pyrite 45 canning lids 45 microRNA molecule 45 toxic hydrogen sulfide 45 filamentary 45 nuclides 45 unweathered 45 astronomical objects 45 micropipettes 45 quarried limestone 45 tailings piles 45 asphalt roofing shingles 45 HiRISE image 45 bacteria listeria monocytogenes 45 vacuoles 45 left handed isovaline 45 insolubles 45 nahcolite 45 serrated blades 45 interstellar dust particles 45 baryons 45 spikelets 45 Bosons 45 chlorophylls 45 boiled linseed oil 45 type Ia supernova 45 morphological evolution 45 fungal organisms 45 micromachine 45 Dryer lint 45 gabbroic 45 grayish white 45 cadmium selenide 45 PCBs mercury 45 merging galaxies 45 anhydrite 45 chemosynthesis 45 proplyds 45 Bose Einstein condensate BEC 45 uncooked spaghetti 45 gabbros 45 microcavity 45 X ray diffraction pattern 45 weak carbonic acid 45 Radioactive substances 45 beryllium dust 45 bacteria mold mildew 45 superhydrophobic surface 45 scanning tunneling microscope STM 45 carbonatites 45 protostars 45 waxy cuticle 45 Soil samples 45 granules 45 P. putida 45 flatworms 45 pillow lava 45 calcium fluoride 45 punctate 45 zeolite crystals 45 polymer nanofibers 45 supercontinent Pangaea 45 hydroxides 45 peptide fragments 45 mudstone 45 agarose gel electrophoresis 45 Sedimentary rocks 45 infectious prion protein 45 breathable particles 45 sulfide deposits 45 nanoclusters 45 bacteria yeasts 45 scalloped edges 45 cosmic phenomena 45 VY Canis Majoris 45 solar nebula 45 eukaryotic algae 45 mildews 45 limestone caverns 45 octahedral 45 fungi spores 45 odorous compounds 45 squid octopus 45 topological defects 44 gamma rays emitted 44 toroid 44 cementite 44 subterranean termites 44 panicles