300 Year Old Riddle Answered: What Direction Does The Solid Center Of Earth Spin b4in.org/cIY Earth’s inner core, made up of solid iron, ‘superrotates’ in an eastward direction — meaning it spins faster than the rest of the planet — while the outer core, comprising mainly molten iron, spins westwards at a slower pace. Although Edmund Halley — who also discovered the famous comet — showed the westward-drifting motion of Earth’s geomagnetic field in 1692, it is the first time that scientists have been able to link the way the inner core spins to the behavior of the outer core. The planet behaves in this way because it is responding to Earth’s geomagnetic field. More b4in.org/cIY
Posted on: Wed, 18 Sep 2013 16:21:32 +0000
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