Synonyms|89Antonyms|3|Broader|92Narrower|238Related|111
3
physical cosmology(noun, expression, form, study, science)
3
planetary formation(noun, expression, form, study, science)
3
planetary interiors(noun, expression, form, study, science)
3
planetary rings(noun, expression, form, study, science)
3
planetary science(noun, expression, form, study, science)
3
planetary surfaces(noun, expression, form, study, science)
3
plasma astrophysics(noun, expression, form, study, science)
3
point of apoapsis(noun, expression, study, treatment, science)
3
point of periapsis(noun, expression, study, treatment, science)
3
pretelescopic astronomy(noun, expression, form, study, science)
3
ptolemaic system(noun, expression, study, treatment, science)
3
relativistic astrophysics(noun, expression, form, study, science)
3
right ascension(noun, expression, study, treatment, science)
3
small solar system bodies(noun, expression, form, study, science)
3
stellar astronomy(noun, expression, form, study, science)
3
submillimetre astronomy(noun, expression, form, study, science)
3
sun(noun, name, space, cosmos, galaxy)
3
superior conjunction(noun, expression, study, treatment, science)
3
terrestrial dynamical time(noun, expression, study, treatment, science)
3
terrestrial time(noun, expression, study, treatment, science)
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ChicagoSmart Define. 2016. "astronomy thesaurus" https://smartdefine.org/astronomy/thesaurus/narrower (accessed September 25, 2026).
HarvardSmart Define 2016, astronomy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/astronomy/thesaurus/narrower>.
MLASmart Define. "astronomy thesaurus" 21 January 2016. Web. 25 September 2026. <https://smartdefine.org/astronomy/thesaurus/narrower>