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Earth Tipped on Its Side During the Age of Dinosaurs, Study Says
Original: Earth Tipped on Its Side During the Age of Dinosaurs–and Not Just Once
New research suggests Earth's pole tilted substantially on its side multiple times during the age of the dinosaurs, rather than in a single event. Geologists reportedly found evidence of repeated episodes of true polar wander, when the planet's outer layers shift relative to its spin axis, dramatically reorienting the globe. The findings are drawing attention for what they reveal about how unstable and dynamic Earth's surface can be over deep geological time.
Why now: The surprising claim that Earth's axis tipped repeatedly in the dinosaur era challenges assumptions about planetary stability, making it a striking science story.
Evidence
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