The York County Astronomical Society (YCAS) will offer programs to the public on Saturday, Feb. 4, at the planetarium in the York Learning Center, 301 E. Sixth Ave., York. The afternoon programs are designed for young children and families, and the evening programs are suitable for older family members.

The programs include "One World, One Sky: Big Bird's Adventure" at 2 p.m., "Flight Adventures" at 3:20 p.m., "Skywatchers of Africa" at 7 p.m., and "Forward! to the Moon" at 8:20 p.m. "StarWatch" will be shown at 2:40 and 7:40 p.m.

There is a per-person admission fee per show, with a discount for any second or third show. For details and tickets, visit http://www.astroyork.com.