Earth tipped over on its side 84 million years ago and then righted itself, new study finds
About 84 million years ago, Earth's crust and the mantle below it rotated around the planet's inner core — causing the Earth to tip over.
www.businessinsider.com
If you'd been able to stare at Earth from space during the late Cretaceous, when Tyrannosaurus rex and Triceratops roamed, it would've looked like the whole planet had tipped over on its side.
According to a new study, Earth tilted by 12 degrees about 84 million years ago.
"A 12-degree tilt of the Earth could affect latitude that same amount," Sarah Slotznick, a geobiologist at Dartmouth College and co-author of the new study, told Insider.
It would approximately move New York City to where Tampa, Florida, is right now, she added.
How did it happen?
Prior to the late Cretaceous, the Pacific Plate — the largest tectonic plate on Earth spanning 40 million square miles under the Pacific Ocean — was sinking under another plate to its north. Around 84 million years ago, the Pacific Plate started subducting in a different direction, under another plate to its west. This change "might have very well changed the literal balance of the planet," Mitchell said.
So, NY, you would have had some AMAZING weather year round back then! Also crazy to think an entire continent just vanished, and literally tipped the planet over on its side. Imagine that happened today.
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