A planetarium is a structure equipped for the projection of shows related to astronomy and in which you can see how the sky is at night. In general, these types of places are created for educational and recreational purposes. In this sense, the planetariums have a room whose ceiling is a kind of dome that acts as a screen, where the location of the stars and planets is projected.
These projection equipment were designed to reproduce images of planets and stars, as well as their position and movements.
Astronomy is a science that over time has been linked to other areas of science, culture and history. Nowadays there are many topics that can be exhibited within a planetarium, since not only is it used as a teaching space for students, but it also serves as a place for astronomy teachers to create new research or preparation techniques. in this area of knowledge, or also so that the members of a community can didactically learn a bit of astronomy and where experts in the field can carry out their experiments.
The planetariums were built in the 20th century, specifically in the year 1920 and their creator was Dr. Walther Bauersfeld, this German designed them and the Carl Zeiss company from Jena manufactured them, at the request of the Munich science museum.
By 1930, the most important cities in the world had a planetarium.
At that time, the planetariums only gave lectures or astronomy classes. With the passage of time the planetariums were entering a stage of renovation, thanks to the advances that technology has had.
