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

70 entries under expression topic. ×

3
celestial latitude(noun, study, treatment, science)
3
celestial longitude(noun, study, treatment, science)
3
compact objects(noun, form, study, science)
3
computational astrophysics(noun, form, study, science)
3
copernican system(noun, study, treatment, science)
3
cosmic ray astronomy(noun, form, study, science)
3
date of reference(noun, study, treatment, science)
3
ephemeris time(noun, study, treatment, science)
3
equinoctial point(noun, study, treatment, science)
3
extragalactic astronomy(noun, form, study, science)
3
extragalactic nebula(noun, study, treatment, science)
3
galactic astronomy(noun, form, study, science)
3
gamma-ray astronomy(noun, form, study, science)
3
high energy astrophysics(noun, form, study, science)
3
hour angle(noun, study, treatment, science)
3
inclination of an orbit(noun, study, treatment, science)
3
inferior conjunction(noun, study, treatment, science)
3
infrared astronomy(noun, form, study, science)
3
interstellar astrophysics(noun, form, study, science)
3
major planet(noun, study, treatment, science)
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HarvardSmart Define 2016, astronomy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/astronomy/thesaurus/narrower>.
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