Question

___ is the model in which the earth is considered as the center of the universe wherein all other celestial objects move around it.

Answer 1

The concept of the celestial sphere provided a way to the development of the model of the universe. Based on this concept, the earth was considered as the center of the universe and all other celestial objects moving around it. Greek scholars like Aristotle, Ptolemy and others believed in this model. This model is called Geocentric model.