Definition, Meaning & Synonyms

planetaries

noun
/ˈplænɪˌtɛriz/
Definition
Devices or mechanisms that represent or map the positions and movements of planets and other celestial bodies in the solar system or universe.
Examples
  • The planetaries in the museum allow visitors to see the alignment of the planets at any given time.
  • Using planetaries, astronomers can predict the motion of stars and planets years in advance.
  • She learned about the solar system through interactive planetaries that accurately depicted the orbits of the planets.
Meaning
Typically used to refer to instruments in astronomy that simulate the movement of celestial bodies, allowing users to visualize planetary positions and events such as eclipses and conjunctions.
Synonyms
  • Celestial models
  • Astronomical simulators
  • Planetarium devices
  • Star charts