Definition of orrery

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Orrery (n.) An apparatus which illustrates, by the revolution of balls moved by wheelwork, the relative size, periodic motions, positions, orbits, etc., of bodies in the solar system..

Lern More About Orrery

Planetarium :: Planetarium (n.) An orrery. See Orrery.
Orrery :: Orrery (n.) An apparatus which illustrates, by the revolution of balls moved by wheelwork, the relative size, periodic motions, positions, orbits, etc., of bodies in the solar system..
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