The Almagest was not superseded until a century after Copernicus presented his heliocentric theory in the De revolutionibus of 1543. Grasshoff writes in:
Ang Almagest ay hindi superseded hanggang isang daang taon pagkatapos ng Copernicus ipinapahayag ng kanyang heliocentric teorya sa Mula revolutionibus ng 1543. Grasshoff magsusulat sa: