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Marshall W. Alworth Planetarium -
Marshall W. Alworth Planetarium, part of Swenson College of Science and Engineering, is part of the University of Minnesota at Duluth. Located on the main UMD campus, it has served Duluth for 50 years. Built in 1967 with a donation of nearly $200,000 from Marshall William Alworth, the planetarium gets roughly 18,000 visitors a year. …