Related by context. Frequent words. (Click for all words.) 64 lunar soil 59 lunar dust 55 martian soil 55 salt crystals 54 Martian rocks 53 liquidy 53 Martian soil 52 icy crust 52 ionize 52 snail shells 52 lotus leaf 52 protoplasm 52 crystals 52 cosmic dust 52 comet dust 51 comet tail 51 confectioner sugar 51 ionised 51 meteoroid 51 caramelized sugar 51 Mars Lander 51 crystallized ginger 50 Aerogel 50 silicates 50 sunbeams 50 Cabeus crater 50 regolith 50 spherules 49 interstellar dust 49 damp sponge 49 dust particles 49 clumpy 49 meteoroids 49 gloop 48 osmium 48 comet Wild 48 aerosol particles 48 goo 48 cometary 48 caulk gun 48 Meridiani 48 ice crystals 48 ectoplasm 48 comet 48 planetesimals 48 particles 48 walnut shells 48 cotton buds 48 Saturn moon 48 nanoscopic 48 beaker 48 ionized gas 48 airgel 48 thermite 48 dye molecules 48 NASA Spirit rover 48 molten iron 47 martian atmosphere 47 outer crust 47 nanosized 47 molten 47 cracker crumbs 47 Earthlike 47 popcorn kernels 47 dust 47 Sensing Satellite LCROSS 47 teaspoonful 47 butter melts 47 lava rocks 47 soap suds 47 Saturn rings 47 aluminum oxide 47 goop 47 powdery 47 comets 47 Buckyballs 47 meteorite impacts 47 outer layers 47 cake frosting 47 steam vents 47 silicate 47 antiprotons 47 alpha particles 47 water vapor 47 chocolate shavings 47 primordial soup 47 saran wrap 47 orbiting 46 phosphorescence 46 gelee 46 gumdrop 46 nacre 46 antigravity 46 martian 46 insulating blanket 46 rubidium atoms 46 lemon wedge 46 silicon atoms 46 burnt toast 46 gummy worms 46 liquid droplets