What is the meaning of planetarium?

noun

  • A building housing an instrument for projecting the positions of the planets onto a domed ceiling.
  • An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.
  • An apparatus or model for representing the solar systems. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). planetarium. Retrieved September 20, 2026, from http://smartdefine.org/planetarium/definitions/1206856
ChicagoWordNet. 2010. "planetarium" http://smartdefine.org/planetarium/definitions/1206856 (accessed September 20, 2026).
HarvardWordNet 2010, planetarium, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/planetarium/definitions/1206856>.
MLAWordNet. "planetarium" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/planetarium/definitions/1206856>
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