Annis, Jonathan2015-12-232015-12-232015Jonathan Annis, "Astronomy & Music: Introduction to the Duochord," Lynx Open Ed, 2015.http://hdl.handle.net/11244/23335The ancient Pythagoreans envisioned the heavens as celestial spheres rotating according to harmonious music. For Robert Fludd, a seventeenth-century physician, the universe was a monochord, its physical structure unintelligible without an understanding of music. This OER shows high-quality images from Fludd's seventeenth-century work as well as an activity to explore the relationship between mathematics and music.astronomymusicmathematicsStand-up ActivitiesGalileo's WorldHistory of ScienceLearning Object