ESA’s Swarm trio on its way to watch over our planet’s magnetic shield

European Space Agency’s three-satellite Swarm constellation was lofted into a near-polar orbit by a Russian Rockot launcher a couple of days ago (22 November). For four years, it will monitor Earth’s magnetic field, from the depth of our planet’s core to the heights of its upper atmosphere.

“Swarm is about to fill a gap in our view of the Earth system and in our monitoring of global change issues,” noted Volker Liebig, ESA’s director for Earth observation.

“It will help us to better understand the field that protects us from the particles and radiation coming from the Sun.”

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