Geocentric model that both Venus and Mercury went around the Sun rather than the Earth, but this is no longer accepted. Martianus Capella definitely put Mercury and Venus in orbit around the Sun. Aristarchus of Samos was the most radical. He wrote a work, which has not survived, on heliocentrism, saying that the Sun was at the center of the universe, while the Earth and other planets revolved around it. His theory was not popular, and he had one named follower, Seleucus of Seleucia. In 1543, the geocentric system met its first serious challenge with the publication of Copernicus' "De revolutionibus orbium
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