Geography of Greece. It is a peninsular and mountainous country located in Southern-Eastern Europe, in the Balkans peninsula. The country has the largest coastline in Europe (13,676km) due to its numerous islands. Greece has a total of 2,000 Greek islands but only 168 are inhabited.
Harry Hess created the theory of plate tectonics moving along the ocean's floor.
The theory that he was exposed to at the University of Padua was a new theory that was proposed by Nicolaus Copernicus which stated that the Earth and all the other planets revolved around the sun. Also Gaileo's observations with his new telescope made him believe Copernicus's heliocentric theory.