May 10, 1925 (April 18) Yi Chou, the world's first planetarium built in Munich, Germany enabled.

1925 May 10, 2010, (Lssdjt.com), the world's first planetarium built in Munich, Germany enabled. The planetarium is part of the Deutsches Museum. The Deutsches Museum (Deutsches Museum) is the largest in Europe, one of the world's oldest science and technology museum. 50 the field of science and technology in the museum about 28,000 exhibits, attracting about 1.5 million visitors each year. Top-level Planetarium is the first planetarium in the world, is also the world's first projection planetarium projector is a technical masterpiece. Can display the constellation of the northern and southern hemispheres can see, the Galaxy and Nebula. This section details the geocentric theory represented by the ancient Greek astronomy to Copernicus, Galileo era to heliocentric as the representative of the development process of the new astronomy. Placed a 30 cm aperture, focal length of 5 m Zeiss telescope. Attract children up to the place.