Geocentric model Geocentric model In astronomy, the geocentric model (also known as geocentrism, or the Ptolemaic system) is a superseded description of the Universe with Earth at the center. Under the geocentric model, the Sun, Moon, stars, and planets all orbited Earth. The geocentric model served as the predominant description of the cosmos in many ancient civilizations, such as those of Aristotle and Ptolemy. Two observations supported the idea that Earth was the center of the Universe. First, from anywhere on Earth, the Sun appears to revolve around Earth once per day. While the Moon and the planets have their own motions,
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