Tag: magnetic fields

Earth’s magnetic field is changing

Reprinted from¬†Space Weather News for May 12, 201   EARTH’S MAGNETIC FIELD IS CHANGING:Earth’s magnetic field protects us from stormy space weather and cosmic rays. New data from Europe’s SWARM spacecraft show that our planet’s magnetic field is changing.¬† For instance, in recent years magnetism over North America has weakened by 3.5%, while Asia has …

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