The Patna Planetarium is one of the largest planetariums in Asia. It is currently installed in several world-class planetariums where it runs on turn-key planetarium system. Most planetariums used Apple IIs to control their projectors and other equipment. In addition, many mobile planetariums exist, touring venues such as schools. These planetariums featured retired PIA aircraft on display for educational or observational purposes. Some examples of this are planetariums and virtual-reality cubes featuring front-projection technology. One of the two planetariums of Novosibirsk. It is one of the first 8k planetariums in the United States. This is a timeline of the history of planetariums. This entry is a list of permanent planetariums, including software and manufacturers. Both were rare, with Astrovision largely used in Japanese planetariums. All orreries are "planetariums" or "planetaria" (alternative plural). Space music appears in many film soundtracks and is commonly played in planetariums. Some artists, such as Geodesium, specialize in creating custom music for Planetariums. Serrie has been composing and performing music for planetariums since the early 1980s.