Grove City CollegeThe Pew Fine Arts Gallery hosts “Works by J.D. Titzel” through Nov. 14.The Mercer County-based artist presents paintings of landscapes, portraits and stilllifes, done in oil and watercolor, along with graphite drawings.Gallery hours are noon to 4 p.m. Tuesdays through Fridays and 10 a.m. to 2 p.m. Saturdays, as well as 7 to 10 p.m. today through Saturday, and 6:30 to 10 p.m. Nov. 12 to 14.

Westminster College• The premiere performance of an original pop opera “Katharina von Bora,” presented by New Castle Lyric Opera and Opera Westminster, will be at 7 p.m. Nov. 7 in Orr Auditorium. Tickets are $10. Call 724-714-3003 to reserve tickets.• Westminster’s planetarium is presenting free shows. Registration is required at www.westminster.edu/planetarium or by calling 724-946-7827.“One World One Sky: Big Bird’s Adventure,” suitable for younger audiences, will be shown at 4 p.m. Nov. 7 and at 3:30 p.m. Dec. 5.“Back to the Moon for Good,” a full dome show narrated by actor Tim Allen, will be shown at 7 p.m. Nov. 7.“Pluto: Exploring New Horizons,” recommended for age 8 and older, will be shown at 5:30 and 8:30 p.m. Nov. 7.“Let it Snow: Holiday Music Magic,” recommended for all ages, will be shown at 5 and 8 p.m. Dec. 5 and 12.“Mystery of the Christmas Star,” recommended for age 8 and older, will be shown at 6:30 p.m. Dec. 5 and 12.