Related by context. Frequent words. (Click for all words.) 55 lunar 52 sweetgum 51 ocotillo 48 Prunus 48 jacaranda 48 scrub oaks 48 goldenrods 48 plumbago 47 Sand dunes 47 starfruit 47 winterberry 47 NASA Stardust spacecraft 46 cabbage palms 46 lichen covered 46 purple blooms 46 bayberry 46 lunar soil 46 bay laurel 46 hawthorns 46 flowering crab 46 UA Lunar 46 catalpa 45 hackberry 45 spring equinox 45 larches 45 cherries peaches 45 spacecraft orbiting 45 grove 45 peaches apricots 44 flowering vines 44 Herschel Space 44 Resourcesat 2 44 Autumnal Equinox 44 prickly pears 44 eucalyptus grove 44 lupines 44 Gusev crater 44 Cannas 44 jujube 44 yuccas 44 pandanus 44 Pinus 44 penstemons 44 Amavasya 44 Aryabhatta 44 mixed conifer 44 Earthlike 43 pine flatwoods 43 coastal sage scrub 43 verdant valley 43 banyan trees 43 autumn equinox 43 wax myrtle 43 Martian meteorites 43 flowers bloomed 43 acacias 43 waxing moon 43 peach blossoms 43 vetch 43 interplanetary spacecraft 43 moon 43 Lop Nur 43 tupelo 43 mountain meadows 43 shrublands 43 loquat 43 olive orchards 43 astronomical telescope 42 Jade Emperor 42 groves 42 lemon groves 42 lunar module pilot 42 planted saplings 42 barberry 42 vegetations 42 apricot 42 Pancam 42 oaks maples 42 martian 42 almond trees 42 scrublands 42 grassy meadows 42 melaleuca 42 solstices 42 biosignatures 42 Martian equator 42 cypresses 42 Capricornus 42 red maples 42 asteroids comets 42 blackthorn 42 Planetary Science Conference 42 earthshine 42 photosynthesizing 42 Ponderosa pines 42 verdant 42 lush foliage 42 sycamores 42 sparse vegetation 42 banyan 42 dry riverbeds