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NASA scientists have discovered three factors that influence Earth's rotational wobble. Thankfully, while the Earth may wobble, it won't fall down.
25 September, 2018
Photo by NASA/Apollo 17 Crew
- Despite what your classroom globe taught you, Earth is neither a perfect sphere nor does it rotate resolutely along its axis.
- Scientists originally thought glacial rebound was responsible for Earth's polar motion, but a new study argues that mantle convection and contemporary ice mass loss share the blame.
- The study's authors note that this new understanding of axial spin provides another link between ice melt and rising sea levels, allowing us to more accurately model global climate change.
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