Planetarium — definition

1. Planetarium (Noun)

3 definitions

Planetarium (Noun) — A building housing an instrument for projecting the positions of the planets onto a domed ceiling.

Planetarium (Noun) — An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.

Planetarium (Noun) — An apparatus or model for representing the solar systems.

5 types of
building edifice model optical device simulation
1 type
orrery