London, United Kingdom.
International Group of Researchers Has found important evidence for the Earth Went through a Polar change At Cretaceous period, About 84 million years ago.
Scientists explain that the solid outer layer of the planet May falter or move forward Related to the axis of rotation. The study was published in the journal Science Nature.
“It simply came to our notice then Land Leaning sideways, what really happens is that the entire rock layer of the planet revolves around a liquid, outer center, “explains researcher Joe Kirshwing. Policy of the Tokyo Institute of Technology.
They were Cherry Wing And his colleagues who realized that the data indicated a slope of at least 12 degrees.
Studies reveal the existence of this planet in about five million years Went back To its starting position.
“This observation represents the most recent documented large-scale actual polar shift Questions the theory of the axis of rotation This has largely been the case for the last 100 million years, “said David Cook, chief of The Christian Science Monitor’s Washington bureau. Natural contacts.