1 gen 1962 anni - Harry Hess
Descrizione:
His sea floor spreading theory evidence in 1962. This led to his discovery of submerged and curiously flat-topped mountains that he named “guyots”. It also produced thousands of miles of echo-sounding surveys of the ocean floor.Aggiunto al nastro di tempo:
Data:
1 gen 1962 anni
Adesso
~ 63 years ago