Choose among three shows in the Virginia Living Museum’s Abbitt Planetarium. Two fish must touch the moon to save their home in “Kaluoka’hina,” showing Wednesday through Sunday at 12:30 p.m. Explore the mysterious world of the former smallest planet in “The Pluto Show” at 1:30 p.m. Wednesday through Sunday. 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.