university to the government of Gauteng Province, with the provincial government becoming the designated management authority responsible for developing and protecting the site. It is aided by the South African Heritage Resources Agency, which has also declared the area a national heritage site. The university's archaeology and palaeontology departments, within the School of Geosciences of the Faculty of Science, continue to play a leading part in excavations of the site; and Wits retains ownership of Sterkfontein's intellectual rights. Professor Lee Berger discovered Australopithecus sediba (2010) and Homo naledi (2015) at the site. Museums The university hosts at least fourteen museums. These include the Adler Museum of Medicine, the Palaeontology Museum and the only Geology Museum in Gauteng Province. The displays include a vast spectra not limited to the Taung skull, various dinosaur fossils and butterflies. Rock art The Roberts-Pager Collection of Khoisan rock art copies is located in the Van Riet Lowe building on East Campus. Johannesburg Planetarium The Johannesburg Planetarium was the first full-sized planetarium in Africa and the second in the Southern Hemisphere. It was originally bought by the Johannesburg municipality to be set up as part of the celebration of the city's seventieth anniversary. After acquiring an old projector from the Hamburg Planetarium, which was modernised before being shipped to South Africa, the municipality sold the projector to the university for use as both an academic facility for the instruction of students, and as a public amenity. Plans for a new building to house the projector were first drawn up in 1958, and construction began in 1959. The planetarium finally opened on 12 October 1960. The Johannesburg Planetarium is often consulted by the media, and the public, in order to explain unusual occurrences in the skies over South Africa. In 2010, the Johannesburg Planetarium celebrated its golden jubilee. Wits Art Museum The museum's collection started in the 1950s and has since grown substantially. In 1972 the Gertrude Posel Gallery was established on the ground floor of Senate House on East Campus. It was joined in 1992 by the Studio Gallery which formed the "lower gallery" reserved for the display of African art. The galleries' collections grew steadily, with the Studio Gallery becoming renowned for having one of the best collections of African beadwork in the world, and by 2002 it was decided that more space was needed. Thus, the Gertrude Posel Gallery and the Studio Galley were