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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