11:00 a.m. Take a guided tour of Rutgers’ historic, beautifully renovated, but perpetually mysterious Daniel S. Schanck Astronomical Observatory (Est. 1866). (45-minute tours hourly from 11 AM; shorter tours on the half-hour; 9 years of age or older; last tour will begin at 4 p.m.) Rutgers Alumni and Friends (CAOQ - 409)