Sunday, September 8
“Dinosaurs at Dusk: The Origins of Flight” is the fun new show at USM’s Southworth Planetarium (96 Falmouth St., Portland) — about 45 minutes of big lizards flying through prehistoric vistas in all three dimensions. It begins showing Sept. 6; today’s show is at 3 p.m. 780-4249. usm.maine.edu/planet.