🌊 Sea Floor Spreading Theory – Harry Hess (1960)
In the 1950s, undersea mapping shattered the myth that ocean floors were flat and featureless. Instead, scientists discovered rugged landscapes with vast mountain chains and deep trenches. 🔍 Key Observations from Seafloor Mapping: These discoveries set the stage for Harry Hess’ revolutionary theory of Seafloor Spreading in 1960. 🚀 What is Seafloor Spreading? Harry Hess…