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
Gentoo (term) Gentoo (term) Gentoo, also spelled Gentue or Jentue, was a term used by Europeans for the native inhabitants of India before the word Hindu, with its religious connotation, was used to distinguish a group from Muslims and members of other religious groups in India. "Gentio" and "Gentoo" terms were applied historically to indigenous peoples of India; later, to Telugu-speaking persons and their language in then Madras Province (now the Andhra region), as opposed to the Malbars, or Tamil speakers and their language (in what is now Tamil Nadu). An example from the Monsignor Sebastiao Rodolfo Dalgado is "moros, gentivos e