20 oct 1963 año - Drummond Matthews and Frederick Vine, 1963 (TOPIC 5)
Descripción:
They were studying Earth's magnetic field and evidence came up that the poles have reversed many times. To add on, magnetic surveys nearby the mid-ocean ridges showed that the magnetic field could effect sea-floor spreading.
Añadido al timeline:
fecha:
20 oct 1963 año
Ahora mismo
~ 62 years ago