Noun
An orrery. See Orrery.
Source: Webster's dictionaryAbout thirty canned programs were created for various grade levels and the public, while operators could create their own or run the planetarium live. Source: Internet
A few hundred were sold, but in the late 1970s Viewlex went bankrupt for reasons unrelated to the planetarium business. Source: Internet
Earth is deliberately not contacted main Schematic representation of a planetarium simulating the universe to humans. Source: Internet
Each planet light is on a mount which rotates only about the central axis, and is aimed by a guide which is steered by a deferent and an epicycle (or whatever the planetarium maker calls them). Source: Internet
A jovilabe is a model of Jupiter and its moons. citation A planetarium will show the orbital period of each planet and the rotation rate, as shown in the table above. Source: Internet
Also on site is The ElectricSky Theater, which is a 175-seat combination planetarium and dome-screen cinema. Source: Internet