The Hancock Park District will present a program on the constellation Orion at 7 p.m. Friday in the Discovery Center at Oakwoods Nature Preserve.

Participants must sit on the floor in the inflatable planetarium, so check on accommodations.

Due to limited seating, the free family program requires online registration by 4 p.m. Friday at under “Programs & Activities.” For more information, call the park district office at 419-425-7275.