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Tessmann Planetarium - Welcome to our dome

MWGalaxy.jpgThe Tessmann Planetarium Mission:

To spark the flame of understanding and inspiration for our college students, staff, and community, through education and exploration of our Universe.​

Tessmann supports DREAMERS!

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With a newly remodeled planetarium, our brand new shows are fueled by cutting-edge scientific data, resulting in stunning visualizations of the latest astronomical discoveries and theories. 




Santa Ana College is accredited by the Accrediting Commission for Community and Junior Colleges, Western Association of Schools and Colleges, 10 Commercial Blvd., Suite 204, Novato, CA 94949, (415) 506-0234, an institutional accrediting body recognized by the Council for Higher Education Accreditation and the U.S. Department of Education. Additional information about accreditation, including the filing of complaints against member institutions, can be found at: