🖼️00May 7, 1925: The first projection planetariumAstronomy Magazine·Elisa Neckar·26 days ago#Jw3ANv07#todayinthehistoryofastronomy#humanspaceflight#roboticspaceflight#page#planetarium#zeiss+5 more🧰Tag tools✨Add tagToday in the history of astronomy, a groundbreaking planetarium opens in Germany.15s0Read later0Read More
