Definition, Meaning & Synonyms

orrery

noun
/ˈɔːrəri/
Definition
A mechanical model of the solar system that illustrates the positions and motions of the planets and moons in relation to the sun.
Examples
  • The orrery showed the positions of the planets in real-time as they revolved around the sun.
  • In the museum, visitors marveled at the antique orrery, which was intricately designed.
  • Studying the orrery helped students understand the complex motions of the solar system.
Meaning
An orrery is used to demonstrate how celestial bodies move and relate to one another; it is often used for educational purposes in astronomy.
Synonyms
  • Planetarium
  • Celestial model
  • Astronomical clock