Background Summary provided by Dia Browser ChatThe “Unofficial Galaxies” exhibit at COSI in Columbus, Ohio (2025) is a massive Star Wars-themed experience featuring iconic props, costumes, life-size starships, and one of the world’s largest private fan collections. “Unofficial Galaxies” at COSI (May 10–Sept. 1, 2025) is an immersive, Star Wars-inspired exhibition that brings together more…