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 world was not discovered to be round and spherical rather than flat in any one year or any spectacular revelation. It was gradually accepted by more and more philosophers, scientists, and other intellectuals until it was eventually accepted by the populace at large when distribution of information became easier.