Choose among three shows in the Virginia Living Museum’s Abbitt Planetarium. “Stars to Starfish” is a full dome show that compares the exploration of the universe with the exploration of the oceans. It is shown Wednesday through Sunday at 1:30 p.m. “Legends of the Night Sky: Perseus and Andromeda” is a retelling of the classic Greek legend. It is showing Saturday and Sunday at 12:30 p.m. A staff astronomer takes a tour of the current night sky in “Virginia Skies,” showing Saturday and Sunday at 2:30 p.m. The planetarium is open Wednesday through Sunday. Tickets are $4 plus museum admission.