Christa McAuliffe Planetarium
Centennial High School
2525 Mountview Drive / Pueblo, Colorado

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. 
A March Trip into the Sun

The March 10th show at the Christa McAuliffe Planetarium will be "Secrets of the Sun", a journey into the innermost workings of our closest star.  This exploration examines the four billion year history, present state and future of the Sun.  "What's up in the Sky" with David Furry is on tap along with a look at the Spring Equinox. 
Shows are at 7 and 8 PM.  Adults are $5, Students $2 and those under five-years-old are free of charge.  Cash or checks only please, we cannot accept credit cards. There will be no late seating.

Book a Planetarium program
Public Schools in and outside of Pueblo can visit the Planetarium for a program of their choosing.  Community organizations, service groups and others with 10 or more persons are welcome as well. Click on the BOOK APPOINTMENT button below and follow the prompts.  
FEBRUARY 2020 Southern Colorado Skies

A monthly (February) guide to the brightest planets, as well as a few short astronomical articles, is available (after opening the link, click on the green text SCS_February 2020 to open the file).

You may leave an email at or a telephone message at 719-549-7350. 

Book Appointment

Betelgeuse may be brightening again 
The red supergiant
star in the constellation Orion, Betelgeuse, might be starting to recover from its "fainting spell".  Astronomers report the star has stopped dimming and just may be gaining in brilliance.  Most astronomers were speculating the star's rapid change was due to natural cycles and not a sign of a supernova explosion.  


Dark matter may be older than the Big Bang

Dark matter, which researchers believe make up about 80% of the universe's mass, is one of the most elusive mysteries in modern physics. What exactly it is and how it came to be is a mystery, but a new study now suggests that dark matter may have existed before the Big Bang. MORE: