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 Institute for the Deaf Louis's Central West End, south of the Washington University Medical School. The westernmost building of the complex is also its oldest, dating to 1928. The institute's original 1916 building was torn down around 2000, when the modern portions of the complex were built. The 1928 building, designed by local architect William B. Ittner, was listed on the National Register of Historic Places in 2015 as a reminder of the institute's early history. Central Institute for the Deaf Central Institute for the Deaf (CID) is a school for the deaf that teaches students using listening and spoken language, also known as