True polar wander’ may have caused ice age

Discussion in 'Environment' started by bear513, Nov 24, 2018.

  1. bear513

    bear513 Diamond Member

    Apr 21, 2012
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    Where is that poster who insisted it was Greenland and everyone made fun of him?

    'True polar wander' may have caused ice age

    Earth’s latest ice age may have been caused by changes deep inside the planet. Based on evidence from the Pacific Ocean, including the position of the Hawaiian Islands, Rice University geophysicists have determined Earth shifted relative to its spin axis within the past 12 million years, which caused Greenland to move far enough toward the north pole to kick off the ice age that began about 3.2 million years ago.
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