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
Rock carvings in Central Norway horse pulling the sun across the sky during the day, and the boat bringing it back through the underworld during night-time. The hunter's rock carvings are often found in places with striking and highly visible natural features, such as below steep cliffs, by waterfalls etc. This was part of what led to the original hunting-magic-interpretation: supposedly the carvings were made in places where animals could easily be hunted. In Central Norway, these sites have a markedly different distribution than the Bronze Age carvings. Sites are found one by one, often in isolated places. The Bronze Age-sites, on the other hand,