Synonyms|51Antonyms|0|Broader|5Narrower|1Related|26
13
observatory
5
orrery
4
astrometry
4
astronomy(noun, world)
3
astronomical observatory
2
telescope
2
heliostat
2
refractor
1
spectrograph
1
spectroheliograph
1
spectrohelioscope
1
spectroscope
0
astronomer
0
astronomical telescope
0
astrophysics
0
coelostat
0
coronagraph
0
coronograph
0
cosmogony
0
cosmography
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APASmart Define. (2015). planetarium thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/planetarium/thesaurus/synonyms
ChicagoSmart Define. 2015. "planetarium thesaurus" https://smartdefine.org/planetarium/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, planetarium thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/planetarium/thesaurus/synonyms>.
MLASmart Define. "planetarium thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/planetarium/thesaurus/synonyms>