PaulEMoz t1_j5pa3v7 wrote
Reply to comment by [deleted] in Earth's inner core seems to be slowing its spin according to new research published in Nature Geoscience. The study authors suggest this might be part of an approximately 70-year cycle where the core speeds up and slows down relative to the rest of the planet. by shiruken
I hope we have enough unobtainium or we're in big trouble!
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