The Christa McAuliffe Planetarium is located at Centennial High School in Pueblo, Colorado. The Planetarium has been in existence since the school was opened in 1974 and has seen several major renovations and upgrades to its seating and technology. The most recent renovation in 2008 - 2009 has resulted in new, interactive seating; a state of the art Bowen sound system, Christie DS2 projection system, and programming. The Christa McAuliffe Planetarium is one of only a handful of high schools in the United States that has the Evans & Sutherland Digistar 3 programming and Digital Theater system.

The Christa McAuliffe Planetarium has seating for 60 including two handicapped accessible seating areas. Access to the building is through the "main doors" located on the Mountview Drive side of the building. All other doors are locked to the outside.