Synonyms|2Antonyms|0|Broader|12Narrower|15Related|65

6 entries under expression topic. ×

2
open problem(noun, expansion, habitation)
2
science fiction theme(noun, expansion, habitation)
2
space-based economy(noun, expansion, habitation)
2
space advocacy(noun, expansion, habitation)
2
space industry(noun, expansion, habitation)
2
spaceflight concept(noun, expansion, habitation)
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APASmart Define. (1970). space colonization thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/space_colonization/thesaurus/broader
ChicagoSmart Define. 1970. "space colonization thesaurus" https://smartdefine.org/space_colonization/thesaurus/broader (accessed September 20, 2026).
HarvardSmart Define 1970, space colonization thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/space_colonization/thesaurus/broader>.
MLASmart Define. "space colonization thesaurus" 1 January 1970. Web. 20 September 2026. <https://smartdefine.org/space_colonization/thesaurus/broader>