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Climate Visualization
This graphic shows the tilting of the Earth that might occur if a dramatic imbalance in the planet´ mass distribution ever developed in the Arctic. According to the theory of true polar wander, a heavy spot in the Arctic -- caused by a very large upwelling of magma, for instance -- would reorient the planet over 5 to 20 million years so that the heavy spot would lie at the equator, changing the orientation of the Earth in relation to its poles. New evidence uncovered by the team of Princeton geoscientist Adam Maloof shows that this sort of reorientation may have occurred in the planet´ distant past.
Credit: Maloof Laboratory
01/14/09

 



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