Main Street, the final frontier. Well, maybe not final, but certainly the next place where Apollo Grill owner Casey Douglass will boldly go next week when he opens Galaxy, the new restaurant he has created. Galaxy is at 60 Main St. in Easthampton. "We are hoping to get our certificate of occupancy next Wednesday," said his sister Kim Douglass, who ran Apollo Grill with the chef and will help head up Galaxy. "Though not all the design details are done, we have enough pieces in place to open.