# #Mon Aug 09 12:11:54 CEST 2010 Text__HnFbsKOeEd-WfYQ0GneCwQ_title=Armillary Sphere Text__HnFbsKOeEd-WfYQ0GneCwQ_text=

A sphere at the center represents the Earth; the external rings connected to the stand represent the horizontal system. Located between these are three pivoted celestial coordinates, in particular the coordinates of the firmament that rotates around the axis of the Earth every 24 hours.