The Santa Rosa Junior College Planetarium has been an important educational facility in the teaching of Astronomy to Sonoma County and beyond for over 40 years. With a dome 40 feet in diameter and 27 feet high, the Planetarium has been able to delight students and community members of all ages with the wonders of the Universe for decades.

The Planetarium continues to serve as an instructional facility for SRJC students and may occasionally host special events. Visit for details regarding events.