Geocentric model and planets were holes in invisible wheels surrounding Earth; through the holes, humans could see concealed fire. About the same time, Pythagoras thought that the Earth was a sphere (in accordance with observations of eclipses), but not at the center; they believed that it was in motion around an unseen fire. Later these views were combined, so most educated Greeks from the 4th century BC on thought that the Earth was a sphere at the center of the universe. In the 4th century BC, two influential Greek philosophers, Plato and his student Aristotle, wrote works based on the geocentric model.
Place attachment also capable of giving places significance; however, negative emotions are usually not associated with people-place bonding since place attachment represents individuals’ yearnings to replicate positive experiences and emotions. Cognition incorporates the knowledge, memories, and meanings that individuals or groups have associated with places of attachment. Specifically, these cognitive elements represent what makes specific places important enough for people-place bonding to develop. Environmental psychologists additionally use the term schema to describe how people organize their beliefs and knowledge in regards to places and has led some researchers to note familiarity as a central cognitive element in place attachment. This idea of