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 flat Earth theory begins with a sort of logic â the Earth must be flat because it appears to be so. The extension of this belief must be that every image of the curvature of the horizon, every view of Earth from space is doctored in a deep and vast conspiracy.