70 entries under expression topic. ×
| small solar system bodies(noun, form, study, science) | |
| stellar astronomy(noun, form, study, science) | |
| submillimetre astronomy(noun, form, study, science) | |
| superior conjunction(noun, study, treatment, science) | |
| terrestrial dynamical time(noun, study, treatment, science) | |
| terrestrial time(noun, study, treatment, science) | |
| ultraviolet astronomy(noun, form, study, science) | |
| vernal equinox(noun, study, treatment, science) | |
| x-ray astronomy(noun, form, study, science) | |
| gravitational wave |
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| APA | Smart Define. (2016). astronomy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/astronomy/thesaurus/narrower |
| Chicago | Smart Define. 2016. "astronomy thesaurus" https://smartdefine.org/astronomy/thesaurus/narrower (accessed September 23, 2026). |
| Harvard | Smart Define 2016, astronomy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/astronomy/thesaurus/narrower>. |
| MLA | Smart Define. "astronomy thesaurus" 21 January 2016. Web. 23 September 2026. <https://smartdefine.org/astronomy/thesaurus/narrower> |