The York County Astronomical Society (YCAS) will offer astronomy programs to the public on Saturday, April 1. The programs will be shown at the York Learning Center Planetarium, 301 E. Sixth Ave., York.

Programs suitable for young children and families include One World, One Sky: Big Bird's Adventure at 2 p.m. and Flight Adventures at 3:20 p.m. Older viewers are invited to attend Sunstruck at 7 p.m. and Phantom of the Universe: The Hunt for Dark Matter at 8:20 p.m. StarWatch will be shown at 2:40 and 7:40 p.m. and is suitable for all audiences.

There is an admission fee per show, with a discount for any second or third show. Cash and most credit and debit cards are accepted. Private show reservations are available. For more details, visit http://www.astroyork.com.