Tonight at 7:30 p.m. is the Astronomy Section Meeting of the Rochester Academy of Science (RAS), held at RIT's Gosnell Hall, Room A300. Tonight, UofR Professor Eric Mamajek will "speak about extra-solar J1407 Eclipsing Ring System and the closest known flyby of a star near our solar system." [source: Rochester Academy of Science events page, 2015-Apr-27]