A National Look at the Use of Congregate Care in Child Welfare. congregate care.
The idea of a spherical Earth appeared in Greek philosophy with Pythagoras (6th century BC), although most pre-Socratics (6th â 5th century BC) retained the flat Earth model. Aristotle provided evidence for the spherical shape of the Earth on empirical grounds by around 330 BC.
The myth of the flat Earth is the modern misconception that the prevailing cosmological view during the Middle Ages in Europe was that the Earth is flat, instead of spherical. During the early Middle Ages, virtually all scholars maintained the spherical viewpoint first expressed by the Ancient Greeks.