The Adler Planetarium is a municipal public museum for astronomy in Chicago, Illinois, United States. It is operated by the Chicago Park District, a municipal government agency of the City of Chicago. It is the first planetarium in the United States.
It was founded in 1930 by local businessman Max Adler. Located on the northeastern tip of Northerly Island on Lake Michigan, the Adler Planetarium was the first planetarium in the United States. It is part of Chicago's Museum Campus, which includes the Shedd Aquarium and the Field Museum of Natural History. The Planetarium's mission is to inspire exploration and understanding of the universe.