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 City, Nebraska school. In the 1950s, Nebraska Central College closed (1953) but a new hospital was built in 1959. In 1975, an explosion and fire destroyed an entire city block, but Central City still reached its largest population to date at 3,083 people in 1980. Central City's population has declined slightly since then. Six places in or near Central City are listed in the National Register of Historic Places. To qualify for listing in the National Register of Historic Places, a place (e.g., building, landmark, or location) must be at least 50 years old and have one or more of the following