STENNIS SPACE CENTER, Miss. - StenniSphere, the visitor center at NASA's John C. Stennis Space Center, will be closed to the general public Oct. 8 for an onsite event. The visitor center will reopen Oct. 12 and resume normal operating hours. StenniSphere is open to the public 10 a.m. to 3 p.m., Wednesday through Saturday, and is closed on major holidays. Public tours run throughout each day from the Launch Pad at the Hancock County Welcome Center, Interstate 10, Exit 2. (Source: NASA, 10/03/11)