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Planetarium
01
a building with a dome in which moving images of planets, starts, and constellations are projected for educational or entertainment purposes
02
a device that simulates the motion and appearance of celestial objects such as planets, stars, and galaxies, typically using projectors and optical systems to depict the solar system and universe
03
an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
