Tuesday, 20 December 2016

Jet stream discovered in Earth's molten iron core

The European Space Agency's Swarm satellites have revealed a jet stream of molten iron flowing within ...

The European Space Agency's three-satellite Swarm constellation is three years into its four-year study of the Earth's magnetic field. Back in May, a study used Swarm data to show where and how that field has changed over the last few years, and now the project has discovered the driving force behind them: wrapped around the outer core of our planet is a geological "jet stream" made of molten iron that flows at tremendous speeds – and it's getting faster.

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from New Atlas http://ift.tt/2haTN5H

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