See also:http://astro.unl.edu/naap/ssm/animations/ptolemaic.swfhttp://www.phy.syr.edu/courses/java/demos/kennett/Epicycle/Epicycle.htmlhttp://www.jgiesen.de/geocentric/index.html
See also:
ReplyDeletehttp://astro.unl.edu/naap/ssm/animations/ptolemaic.swf
http://www.phy.syr.edu/courses/java/demos/kennett/Epicycle/Epicycle.html
http://www.jgiesen.de/geocentric/index.html