Freitag, 29. August 2008

Earth’s Core, Magnetic Field Changing Fast, Study Says



Rapid changes in the churning movement of Earth’s liquid outer core are weakening the magnetic field in some regions of the planet’s surface, a new study says.“What is so surprising is that rapid, almost sudden, changes take place in the Earth’s magnetic field,” said study co-author Nils Olsen, a geophysicist at the Danish National Space [...] continue reading world news

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