Synonyms|89Antonyms|3|Broader|92Narrower|238Related|111

63 entries under knowledge topic. ×

5
oort cloud(noun, expression, study, treatment, science)
5
red shift(noun, expression, name, study, treatment)
4
asterism(noun, study, treatment, science)
4
astronomer(noun, study, treatment, science)
4
comet(noun, study, treatment, science)
4
galaxy(noun, study, treatment, science)
4
meteor(noun, study, treatment, science)
4
meteoroid(noun, study, treatment, science)
4
planet(noun, name, study, treatment, science)
3
autumnal equinox(noun, expression, study, treatment, science)
3
celestial latitude(noun, expression, study, treatment, science)
3
celestial longitude(noun, expression, study, treatment, science)
3
copernican system(noun, expression, study, treatment, science)
3
date of reference(noun, expression, study, treatment, science)
3
ephemeris time(noun, expression, study, treatment, science)
3
equinoctial point(noun, expression, study, treatment, science)
3
extragalactic nebula(noun, expression, study, treatment, science)
3
hour angle(noun, expression, study, treatment, science)
3
inclination of an orbit(noun, expression, study, treatment, science)
3
inferior conjunction(noun, expression, study, treatment, science)
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ChicagoSmart Define. 2016. "astronomy thesaurus" https://smartdefine.org/astronomy/thesaurus/narrower (accessed September 22, 2026).
HarvardSmart Define 2016, astronomy thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/astronomy/thesaurus/narrower>.
MLASmart Define. "astronomy thesaurus" 21 January 2016. Web. 22 September 2026. <https://smartdefine.org/astronomy/thesaurus/narrower>