Abyssal plains were not recognized as distinct physiographic features of the sea floor until the late 1940s and, until very recently, none had been studied on a systematic basis. They are poorly preserved in the sedimentary record, because they tend to be consumed by the subduction process.
The first man to discover that the earth moves around the sun was an Italian scientist named Galileo Galilei.
Heraclides Ponticus (387â312 BCE) proposed that the Earth rotates on its axis. Aristarchus of Samos (310 BCE â c. 230 BCE) identified the central fire with the Sun, around which he had the Earth orbiting. And Copernicus formulated.