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. 

The holiday tradition continues with December showings of "The Mystery of the Christmas Star"
This feature examines the possible events in space that might have guided the Magi from present day Iraq to Bethlehem more than two thousand years ago.  The four program times are 7 and 8 PM, Tuesday December 10th and 7 and 8 PM Wednesday December 18th.  There will be no late seating.  Adults are $5, Students with ID $2 and those under five years old are free.  Payment can be by cash or check only

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.  
NOVEMBER 2019 Southern Colorado Skies

A monthly (November) guide to the brightest planets, as well as a few short astronomical articles, is available at (after opening the link, click on the green text SCS_November 2019 to open the file).

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

Book Appointment

Scientists find a chemical "missing link"

Astronomers using instruments to detect radio signals emitted by atoms were able to detect Helium hydride, a molecule believe to have formed about one hundred thousand years after the "Big Bang".  

Long suspected but never found until now, this molecule is believed to be the link between the universe of energy and the universe of matter we live in today.


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: