Geodesium is a music project first launched in the 1970s by composer and recording artist Mark C. Petersen.
[3] The music of Geodesium has been featured in planetarium shows narrated by well-known screen personalities including Noah Adams, Baxter Black, Avery Brooks, Roxanne Dawson, Michael Dorn, James Earl Jones, Leonard Nimoy, William Shatner and Patrick Stewart.
[1] Petersen's music has also appeared in TV commercials for major corporations including AT&T, Ford, Pizza Hut, Honda, Coors, and the Colorado Lottery.
[2] and has been featured in a variety of NASA-produced programs, Digistar demonstration shows for Evans & Sutherland, and special-effects laserdiscs for Sky-Skan.
After sharing some of his Moog synthesizer recordings with the planetarium's designer, Petersen was invited to create the music for the first show at the new facility, and was the composer-in-residence there from 1975 to 1978.