It Was One Of Mankind’s Greatest Achievements: The 50th Anniversary of the Apollo 11 mission will be marked this weekend at the Charles W. Brown Planetarium on the campus of Ball State University. It happens Saturday, July 20th at 2:30 p.m. and 4 p.m. Hands-on activities will start at 2pm in the Brown Planetarium Lobby. Recommended for all ages 8 and up. Programs are free on a first-come, first-served basis.