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

62 entries under treatment topic. ×

3
major planet(noun, expression, study, science)
3
mean solar time(noun, expression, study, science)
3
mean time(noun, expression, study, science)
3
orbital plane(noun, expression, study, science)
3
outer planet(noun, expression, study, science)
3
point of apoapsis(noun, expression, study, science)
3
point of periapsis(noun, expression, study, science)
3
ptolemaic system(noun, expression, study, science)
3
right ascension(noun, expression, study, science)
3
superior conjunction(noun, expression, study, science)
3
terrestrial dynamical time(noun, expression, study, science)
3
terrestrial time(noun, expression, study, science)
3
vernal equinox(noun, expression, study, science)
2
accretion(noun, study, science, knowledge)
2
alignment(noun, study, science, knowledge)
2
anomaly(noun, study, science, knowledge)
2
apoapsis(noun, study, science, knowledge)
2
ascension(noun, study, science, knowledge)
2
barycenter(noun, study, science, knowledge)
2
canal(noun, study, science, knowledge)
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ChicagoSmart Define. 2016. "astronomy thesaurus" https://smartdefine.org/astronomy/thesaurus/narrower (accessed September 30, 2026).
HarvardSmart Define 2016, astronomy thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/astronomy/thesaurus/narrower>.
MLASmart Define. "astronomy thesaurus" 21 January 2016. Web. 30 September 2026. <https://smartdefine.org/astronomy/thesaurus/narrower>