Dark Side of the Moon, Sorta... --The last lunar eclipse for the next 2 years is happening tonight. With binoculars or even the naked eye, the moon will start to look pretty darn red around 9:00 pm EST, as if the green cheese has turned into a port wine spread. The prime time will be between 10pm and 10:30pm. Why not get a better look at an obsevatory? Harvard Observatory, 60 Garden St, Cambridge,......

Who wants to be inside a theater in weather like this? This evening, Bostonist won't have to choose between staying outdoors, seeing a band, and enjoying some of our favorite movies: Friday 8/11 Battleship Potemkin (Bronenosets Potyomkin) ArtsUnion brings a revolt and a sinking Russian warship to Union Square. The KNOWmovement Orchestra provides ambient lighting and a live soundtrack for Eisentein's groundbreaking silent classic. Union Square, Somerville 7:30-9:30 pm, free (rain date Saturday 8/12) Battleship......