Study finds Earth's rotational axis shifted repeatedly during dinosaur era
New research indicates that Earth underwent multiple episodes of true polar wander—a shift in the planet's rotational axis relative to its surface—during the age of dinosaurs. Scientists say these shifts, which occur as the planet rebalances its mass distribution, were accompanied by changes in global sea levels.
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If confirmed, the findings could reshape how geologists interpret ancient sea-level and climate records, since shifts previously attributed to other causes might instead reflect axis movement. This suggests Earth's interior and surface dynamics during the Mesozoic were more volatile than previously assumed, which could inform models of long-term planetary behavior.
- Earth's rotational axis reportedly shifted multiple times during the dinosaur era, not just once
- These shifts, called true polar wander, are linked to changes in global sea levels
- Findings could prompt reassessment of past geological and climate records from the Mesozoic
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See The Rise and Fall of the Dinosaurs (Book) on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: gizmodo.com, 2026-10-01
Published there as: “Earth Tipped on Its Side During the Age of Dinosaurs—and Not Just Once”
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