Watching solar activity muddle Earth's magnetic field

(PhysOrg.com) -- Scientists have found that extreme solar activity drastically compresses the magnetosphere and modifies the composition of ions in near-Earth space. They are now looking to model how these changes affect orbiting satellites, including the GPS system.

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<p><a href="http://www.physorg.com/news160223027.html">Watching solar activity muddle Earth's magnetic field</a></p> <p>(PhysOrg.com) -- Scientists have found that extreme solar activity drastically compresses the magnetosphere and modifies the composition of ions in near-Earth space. They are now looking to model how these changes affect orbiting satellites, including the GPS system.</p>