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

118 entries under study topic. ×

3
x-ray astronomy(noun, expression, form, science)
2
accretion(noun, treatment, science, knowledge)
2
alignment(noun, treatment, science, knowledge)
2
anomaly(noun, treatment, science, knowledge)
2
apoapsis(noun, treatment, science, knowledge)
2
archaeoastronomy(noun, form, science, field)
2
ascension(noun, treatment, science, knowledge)
2
astrobiology(noun, form, science, field)
2
barycenter(noun, treatment, science, knowledge)
2
canal(noun, treatment, science, knowledge)
2
coma(noun, treatment, science, knowledge)
2
conjunction(noun, knowledge, treatment, science)
2
culmination(noun, treatment, science, knowledge)
2
declination(noun, treatment, science, knowledge)
2
egress(noun, treatment, science, knowledge)
2
emersion(noun, treatment, science, knowledge)
2
epoch(noun, treatment, science, knowledge)
2
equinox(noun, treatment, science, knowledge)
2
exoplanetology(noun, form, science, field)
2
gravitational wave astronomy(noun, form, science, field)
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HarvardSmart Define 2016, astronomy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/astronomy/thesaurus/narrower>.
MLASmart Define. "astronomy thesaurus" 21 January 2016. Web. 23 September 2026. <https://smartdefine.org/astronomy/thesaurus/narrower>