The resource has been added to your collection
This simulation attempts to demonstrate how epicycles "explain" retrograde motion. The movie is available through the University of Tennessee Astronomy Department.
This resource has not yet been reviewed.
This resource received a 3* rating because it is part of the larger resource A Tour of the Universe, which received a rating of 3-Exemplary in the Curriki Review System. You can learn more about this larger resource by reading its review and comments.