Magnetizing: ESA sats grab Earth’s ever-changing magnetic field (VIDEO)

June 22, 2014 4:09 PM

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The European Space Agency’s (ESA) Swarm space mission has begun mapping one of the most mysterious aspects of our planet: Earth’s magnetic field.

This animation shows changes in Earth’s magnetic field from January to June 2014 as measured by the ESA’s Swarm trio of satellites. The satellites, launched in November, are equipped with several instruments, including cutting edge magnetometers that measure field strength and direction.

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