Ptolemy’s model was extremely popular from ancient instances until the 1600s, as it had higher settlement with statement than any different. His mannequin was particularly efficient at cosmological predictions. Geocentrism is the notion that the Earth is the (immovable) center of our universe, thus all celestial our bodies move around it. The historic Greeks and the Europeans of the center ages thought that the celestial our bodies (the sun, the moon and the 5 known planets) all moved in celestial spheres round a spherical Earth. This principle has its antecedents mainly in ancient Greece, as Aristotle and Ptolemy believed in it.
The solely reason historical astronomers thought-about it to be the “heart of the universe” was because they believed the universe was an enclosed sphere that contained solely the Sun, the Earth, and the planets they have been aware of. The discovery of cosmic expansion had nothing to do with … Read MoreRead More »