1 окт 1963 г. - Frederick Vine and Drummond Matthews
Описание:
Studies showed that Earth had a history of reversals in polarity. Magnetic surveys done near the mid ocean ridge showed patterns of the ocean floor being normal then reversed polarity.Добавлено на ленту времени:
Дата:
1 окт 1963 г.
Сейчас
~ 60 г назад
