The Christa McAuliffe Center at Framingham State University opens its planetarium for free public presentations for ages 6+ on the third Friday of each month (except April). A suggested donation of $5 per guest is requested. Registration is now sold out for the October 19 event, Two Small Pieces of Glass: The Amazing Telescope (in honor of International Observe the Moon Night) with planetarium shows at 5:30PM (register) and 6:30PM (register), with outdoor moon observation starting at 6PM, weather permitting — but walk-ins may be accepted on space-available basis due to no-shows.