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

232 entries under noun topic. ×

3
physical cosmology(expression, form, study, science)
3
planetary formation(expression, form, study, science)
3
planetary interiors(expression, form, study, science)
3
planetary rings(expression, form, study, science)
3
planetary science(expression, form, study, science)
3
planetary surfaces(expression, form, study, science)
3
plasma astrophysics(expression, form, study, science)
3
point of apoapsis(expression, study, treatment, science)
3
point of periapsis(expression, study, treatment, science)
3
pretelescopic astronomy(expression, form, study, science)
3
ptolemaic system(expression, study, treatment, science)
3
relativistic astrophysics(expression, form, study, science)
3
right ascension(expression, study, treatment, science)
3
small solar system bodies(expression, form, study, science)
3
stellar astronomy(expression, form, study, science)
3
submillimetre astronomy(expression, form, study, science)
3
sun(name, space, cosmos, galaxy)
3
superior conjunction(expression, study, treatment, science)
3
terrestrial dynamical time(expression, study, treatment, science)
3
terrestrial time(expression, study, treatment, science)
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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>