Geocentric model fire being lighter than air. Beyond the layer of fire, were the solid spheres of aether in which the celestial bodies were embedded. They, themselves, were also entirely composed of aether. Adherence to the geocentric model stemmed largely from several important observations. First of all, if the Earth did move, then one ought to be able to observe the shifting of the fixed stars due to stellar parallax. In short, if the Earth was moving, the shapes of the constellations should change considerably over the course of a year. If they did not appear to move, the stars are either
Central Philippine University Learning Center (Building), CPU Center for Local Governance and Indigenous Peoples Studies; CPU-World Bank Knowledge Development Center (CPU WB-KDC); CPU Appropriate Technology Center (CPU-APPROTECH); CPU Crop Research Laboratory; and the CPU – Social Science Research Institute. ""Central Spirit"" which has purportedly served as ""a social glue"", is a term for camaraderie, unity or reminisce the fond school day memories and activities at Central that has become symbolic of the bond that unites Centralians. "Central Spirit" is also contrast to what Central was founded for over a century before by the American missionaries and the school's vision. Moreover, there is also