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

3 entries under expression topic. ×

4
cosmic exploration(space, exploration)
4
space exploration(space, exploration)
3
outer space exploration(space, exploration)
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APASmart Define. (1970). space colonization thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/space_colonization/thesaurus/related
ChicagoSmart Define. 1970. "space colonization thesaurus" https://smartdefine.org/space_colonization/thesaurus/related (accessed September 23, 2026).
HarvardSmart Define 1970, space colonization thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/space_colonization/thesaurus/related>.
MLASmart Define. "space colonization thesaurus" 1 January 1970. Web. 23 September 2026. <https://smartdefine.org/space_colonization/thesaurus/related>