This landform can occur in the interior of our continent or in coastal areas and is relatively flat.1/19/2024 ![]() ![]() ![]() The continent’s coastal ice is crumbling as the sea and air around it warm. (Here’s why tardigrades may be the only life-forms that survive until the world’s end.)Ī startling sunset reddens the Lemaire Channel, off the west coast of the Antarctic Peninsula. That’s well before the sun is expected to swell into a red giant and consume us in its death throes roughly 5.4 billion years from now. He calculates that the shutdown will arrive in about 1.45 billion years. Quiming Cheng, a mathematical geoscientist and president of the International Union of Geological Sciences, is the latest to take on the prophetic role of predicting when this bleak day may arrive. At that point, you can say farewell to the carbon cycle, as well as the constant reshaping and reshuffling of landmasses that have been big drivers of evolution over eons. Thanks to this ongoing operation, we have mountains and oceans, terrifying earthquakes, incandescent volcanic eruptions, and new land being born every single second.Įventually, the mantle will cool to such an extent that this planetwide conveyor belt will grind to a halt. There’s no geological artist quite like Earth’s plate tectonics. ![]()
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