-
The first to affirm the principle of the spherity of the Earth
-
To him is due the elaboration of the first known map with the inclusion of the names of the towns.
-
Described the Earth as an immobile spherical mass, located at the center of a round universe
-
Estimated the radius of the Earth Middle age.
-
he described the location of about a thousand stars, according to a geocentric theory in which the Earth was located at the center of the universe, with the Moon, the Sun and the stars revolving around him and detailed atlases
-
Made a large world map oriented in the opposite direction to the one currently used (north down and south up), known as the Tabula Rogeriana, accompanied by a book called Geography.
-
Recognized as an important source of Medieval Geography.
-
He tried to prove that the forces and phenomena of nature influence human society as a constant and powerful factor, this is the principle of Geographical determinism.
-
Wrote on the nature and scientific study of soils, underground waters, and fossils.
