The pope was at the top <span>of the hierarchy in medieval European society</span>
During the Industrial Revolution, the working conditions in factories, mills, and mines were terrible.
In astronomy, the geocentric model (also known as geocentrism, often exemplified specifically by the Ptolemaic system) is a superseded description of the Universe with Earth at the center.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.