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

56 entries under form topic. ×

3
astrochemistry(noun, study, science, field)
3
atmospheric science(noun, expression, study, science)
3
compact objects(noun, expression, study, science)
3
computational astrophysics(noun, expression, study, science)
3
cosmic ray astronomy(noun, expression, study, science)
3
extragalactic astronomy(noun, expression, study, science)
3
galactic astronomy(noun, expression, study, science)
3
gamma-ray astronomy(noun, expression, study, science)
3
high energy astrophysics(noun, expression, study, science)
3
infrared astronomy(noun, expression, study, science)
3
interstellar astrophysics(noun, expression, study, science)
3
neutrino astronomy(noun, expression, study, science)
3
observational astronomy(noun, expression, study, science)
3
optical astronomy(noun, expression, study, science)
3
physical cosmology(noun, expression, study, science)
3
planetary formation(noun, expression, study, science)
3
planetary interiors(noun, expression, study, science)
3
planetary rings(noun, expression, study, science)
3
planetary science(noun, expression, study, science)
3
planetary surfaces(noun, expression, study, science)
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HarvardSmart Define 2016, astronomy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/astronomy/thesaurus/narrower>.
MLASmart Define. "astronomy thesaurus" 21 January 2016. Web. 26 September 2026. <https://smartdefine.org/astronomy/thesaurus/narrower>