[ Earth Observation Programmes ]
16 NOLL. 2016
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4775
Amhairc
ESA’s Swarm satellites have led the discovery of a jet stream in the liquid iron part of Earth’s core 3000 km beneath the surface. In addition, Swarm satellite data show that this jet stream is speeding up. Launched in 2013, the Swarm trio is dedicated to identifying and measuring precisely the different magnetic signals that make up Earth’s magnetic field.
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ESA
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![Source File [ 370.1 KB ]](https://media.esa.int/legacy/web/images/esa_multimedia/images/2016/12/jet_stream_in_earth_s_core/16577787-1-eng-GB/Jet_stream_in_Earth_s_core.jpg?dl){kind=link}
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