The Christa McAuliffe Center at Framingham State University opens its planetarium for free public presentations on the third Friday of each month (except April).  The shows on December 15 will be Holiday Skies, at 5:30PM and 6:30PM. Space is limited, and pre-registration for the 5:30PM show or 6:30PM show is strongly recommended.  Arrive on campus 20 minutes early (directions and parking).